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Document And Entity Information - shares	3 Months Ended
Document And Entity Information - shares	Jun. 30, 2011	Aug. 02, 2011
Document And Entity Information
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2011
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	Q1
Trading Symbol	exp
Entity Registrant Name	EAGLE MATERIALS INC
Entity Central Index Key	0000918646
Current Fiscal Year End Date	--03-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		44,905,926

Consolidated Statements Of Earnings - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Consolidated Statements Of Earnings
Revenues	$ 119,807	$ 130,794
Cost of Goods Sold	112,434	114,363
Gross Profit	7,373	16,431
Equity in Earnings of Unconsolidated Joint Venture	5,448	6,512
Other Income (Expense)	(79)	717
Operating Earnings	12,742	23,660
Corporate General and Administrative Expense	(4,118)	(3,703)
Earnings before Interest and Income Taxes	8,624	19,957
Interest Expense, Net	(4,585)	(5,290)
Earnings before Income Taxes	4,039	14,667
Income Taxes	(982)	(4,140)
Net Earnings	$ 3,057	$ 10,527
EARNINGS PER SHARE
Basic	$ 0.07	$ 0.24
Diluted	$ 0.07	$ 0.24
AVERAGE SHARES OUTSTANDING
Basic	44,180,039	43,832,372
Diluted	44,709,262	44,222,884
CASH DIVIDENDS PER SHARE	$ 0.10	$ 0.10

Consolidated Balance Sheets - USD ($)
$ in Thousands

Jun. 30, 2011

Mar. 31, 2011

Current Assets -

Cash and Cash Equivalents

$ 3,478

$ 1,874

Accounts and Notes Receivable

54,192

43,855

Inventories

114,124

115,237

Income Tax Receivable

5,374

9,088

Prepaid and Other Assets

3,836

4,572

Total Current Assets

181,004

174,626

Property, Plant and Equipment -

1,119,346

1,112,058

Less: Accumulated Depreciation

(524,143)

(512,228)

Property, Plant and Equipment, net

595,203

599,830

Notes Receivable

5,139

5,326

Investment in Joint Venture

34,109

33,661

Goodwill and Intangible Assets

151,380

151,539

Other Assets

18,376

17,828

Assets, Total

^[1]

985,211

982,810

Current Liabilities -

Accounts Payable

31,472

30,339

Accrued Liabilities

33,388

40,011

Total Current Liabilities

64,860

70,350

Long-term Debt

296,000

287,000

Other Long-term Liabilities

37,905

37,807

Deferred Income Taxes

127,689

128,089

Total Liabilities

526,454

523,246

Stockholders' Equity -

Preferred Stock, Par Value $0.01; Authorized 5,000,000 Shares; None Issued

Common Stock, Par Value $0.01; Authorized 100,000,000 Shares; Issued and Outstanding 44,906,232 and 44,447,428 Shares, respectively

449

444

Capital in Excess of Par Value

25,439

24,859

Accumulated Other Comprehensive Losses

(2,893)

Retained Earnings

435,762

437,154

Total Stockholders' Equity

458,757

459,564

Liabilities and Stockholders' Equity, Total

$ 985,211

$ 982,810

[1]	Basis conforms with equity method accounting.

Consolidated Balance Sheets (Parenthetical) - $ / shares	Jun. 30, 2011	Mar. 31, 2011
Consolidated Balance Sheets
Preferred Stock, Par Value	$ 0.01	$ 0.01
Preferred Stock, Authorized	5,000,000	5,000,000
Preferred Stock, Issued	0	0
Common Stock, Par Value	$ 0.01	$ 0.01
Common Stock, Authorized	100,000,000	100,000,000
Common Stock, Issued	44,906,232	44,447,428
Common Stock, Outstanding	44,906,232	44,447,428

Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
CASH FLOWS FROM OPERATING ACTIVITIES
Net Earnings	$ 3,057	$ 10,527
Adjustments to Reconcile Net Earnings to Net Cash Provided by Operating Activities -
Gain on Sale of Property, Plant and Equipment		(485)
Depreciation, Depletion and Amortization	12,320	12,450
Deferred Income Tax Provision	(939)	(3,160)
Stock Compensation Expense	835	649
Excess Tax Benefits from Share Based Payment Arrangements	(30)	(259)
Equity in Earnings of Unconsolidated Joint Venture	(5,448)	(6,512)
Distributions from Joint Venture	5,000	7,250
Changes in Operating Assets and Liabilities:
Accounts and Notes Receivable	(10,150)	(3,468)
Inventories	1,113	(634)
Accounts Payable and Accrued Liabilities	(8,315)	(7,088)
Other Assets	1,866	507
Income Taxes Payable	1,832	5,841
Net Cash Provided by Operating Activities	1,141	15,618
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to Property, Plant and Equipment	(3,812)	(3,240)
Proceeds from Sale of Property, Plant and Equipment		600
Net Cash Used in Investing Activities	(3,812)	(2,640)
CASH FLOWS FROM FINANCING ACTIVITIES
Increase (Decrease) in Bank Credit Facility	9,000	7,000
Repayment of Senior Notes		(15,000)
Dividends Paid to Stockholders	(4,526)	(4,381)
Proceeds from Stock Option Exercises	128	725
Shares Redeemed to Settle Employee Taxes on RSUs	(357)
Excess Tax Benefits from Share Based Payment Arrangements	30	259
Net Cash Provided by (Used in) Financing Activities	4,275	(11,397)
NET INCREASE IN CASH AND CASH EQUIVALENTS	1,604	1,581
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	1,874	1,416
CASH AND CASH EQUIVALENTS AT END OF PERIOD	$ 3,478	$ 2,997

Basis Of Presentation

3 Months Ended

Jun. 30, 2011

Basis Of Presentation

Basis Of Presentation

(A)

BASIS OF PRESENTATION

The accompanying unaudited consolidated financial statements as of and for the three month period ended June 30, 2011, include the accounts of Eagle Materials Inc. and its majority owned subsidiaries (the "Company", "us" or "we") and have been prepared by the Company, without audit, pursuant to the rules and regulations of the Securities and Exchange Commission. These unaudited consolidated financial statements should be read in conjunction with the audited consolidated financial statements and the notes thereto included in our Annual Report on Form 10-K filed with the Securities and Exchange Commission on May 26, 2011.

Certain information and footnote disclosures normally included in financial statements prepared in accordance with generally accepted accounting principles have been condensed or omitted pursuant to such rules and regulations, although we believe that the disclosures are adequate to make the information presented not misleading. In our opinion, all adjustments (consisting solely of normal recurring adjustments) necessary to present fairly the information in the following unaudited consolidated financial statements of the Company have been included. The results of operations for interim periods are not necessarily indicative of the results for the full year.

The preparation of financial statements in conformity with accounting principles generally accepted in the United States requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.

We have changed the presentation of our income statement to more closely reflect the format used by other registrants in our industry. This change resulted in disclosure of consolidated revenues and cost of sales instead of by segment, and has included such subtotals as Earnings before Interest and Taxes and Earnings before Taxes, which are also consistent with the presentation of those of our competitors. Additionally, certain prior period reclassifications have been made to conform to the current period presentation.

We evaluated all events or transactions that occurred after June 30, 2011 through the filing of these financial statements.

Recent Accounting Pronouncements

There are no recent accounting pronouncements that we expect will materially impact our financial statements during the current fiscal year.

- Definition

The entire disclosure for organization, consolidation and basis of presentation of financial statements disclosure.

+ References

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+ Details

Cash Flow Information - Supplemental

3 Months Ended

Jun. 30, 2011

Cash Flow Information - Supplemental

Cash Flow Information - Supplemental

(B)

CASH FLOW INFORMATION – SUPPLEMENTAL

Cash payments made for interest were $8.6 million for both of the three months ended June 30, 2011 and 2010. Net payments made for federal and state income taxes during the three months ended June 30, 2011 and 2010, were $0.2 and $1.4 million, respectively.

Comprehensive Income

3 Months Ended

Jun. 30, 2011

Comprehensive Income

Comprehensive Income

(C)

COMPREHENSIVE INCOME

Comprehensive income for the three month periods ended June 30, 2011 and 2010 was identical to net income for the same periods.

As of June 30, 2011, we had an accumulated other comprehensive loss of $2.9 million, in connection with recognizing the difference between the fair value of the pension assets and the projected benefit obligation.

- Definition

The entire disclosure for comprehensive income. Includes, but is not limited to, the following: 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. Components of comprehensive income include: (1) foreign currency translation adjustments; (2) gains (losses) on foreign currency transactions that are designated as, and are effective as, economic hedges of a net investment in a foreign entity; (3) gains (losses) on intercompany foreign currency transactions that are of a long-term-investment nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements; (4) change in the market value of a futures contract that qualifies as a hedge of an asset reported at fair value; (5) unrealized holding gains (losses) on available-for-sale securities and that resulting from transfers of debt securities from the held-to-maturity category to the available-for-sale category; (6) a net loss recognized as an additional pension liability not yet recognized as net periodic pension cost; and (7) the net gain (loss) and net prior service cost or credit for pension plans and other postretirement benefit plans.

+ References

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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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+ Details

Accounts And Notes Receivable

3 Months Ended

Jun. 30, 2011

Accounts And Notes Receivable

Accounts And Notes Receivable

(D)

ACCOUNTS AND NOTES RECEIVABLE

Accounts and notes receivable have been shown net of the allowance for doubtful accounts of $4.8 million and $4.6 million at June 30, 2011 and March 31, 2011, respectively. We perform ongoing credit evaluations of our customers' financial condition and generally require no collateral from our customers. The allowance for non-collection of receivables is based upon analysis of economic trends in the construction industry, detailed analysis of the expected collectability of accounts receivable that are past due and the expected collectability of overall receivables. We have no significant credit risk concentration among our diversified customer base.

We had notes receivable totaling approximately $6.3 million at June 30, 2011, of which approximately $1.2 million has been classified as current and presented with accounts receivable on the balance sheet. We lend funds to certain companies in the ordinary course of business, and the notes bear interest, on average, at the prime rate plus 1.5%. Remaining unpaid amounts, plus accrued interest, mature on various dates between 2011 and 2017. The notes are collateralized by certain assets of the borrowers, namely property and equipment and are generally payable monthly. We monitor the credit risk of each borrower by focusing on the timeliness of payments, review of credit history and credit metrics and interaction with the borrowers. At June 30, 2011, approximately $0.6 million of our allowance for doubtful accounts is related to our notes receivable.

- Definition

The entire disclosure for claims held for amounts due a company. Examples include trade accounts receivables, notes receivables, loans receivables.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
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-Section 02
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-Article 5

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-Name Statement of Position (SOP)
-Number 01-6
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+ Details

Stockholders' Equity

3 Months Ended

Jun. 30, 2011

Stockholders' Equity

Stockholders' Equity

(E)

STOCKHOLDERS' EQUITY

A summary of changes in stockholders' equity follows:


	For the Three Months Ended June 30, 2011
	(dollars in thousands)
Common Stock –
Balance at Beginning of Period	$	444
Issuance of Restricted Stock		4
Stock Option Exercises		1


Balance at End of Period		449


Capital in Excess of Par Value –
Balance at Beginning of Period		24,859
Stock Compensation Expense		835
Shares Redeemed to Settle Employee Taxes		(357	)
Stock Option Exercises		102


Balance at End of Period		25,439


Retained Earnings –
Balance at Beginning of Period		437,154
Dividends Declared to Stockholders		(4,449	)
Net Earnings		3,057


Balance at End of Period		435,762


Accumulated Other Comprehensive Losses –
Balance at Beginning of Period		(2,893	)


Balance at End of Period		(2,893	)


Total Stockholders' Equity	$	458,757

There were no open market share repurchases during the three month period ended June 30, 2011. As of June 30, 2011, we have authorization to purchase an additional 717,300 shares.

- Definition

The entire disclosure for shareholders' equity, comprised of portions attributable to the parent entity and noncontrolling interest, if any, including other comprehensive income (as applicable). Including, but not limited to: (1) balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings; (2) accumulated balance for each classification of other comprehensive income and total amount of comprehensive income; (3) amount and nature of changes in separate accounts, including the number of shares authorized and outstanding, number of shares issued upon exercise and conversion, and for other comprehensive income, the adjustments for reclassifications to net income; (4) rights and privileges of each class of stock authorized; (5) basis of treasury stock, if other than cost, and amounts paid and accounting treatment for treasury stock purchased significantly in excess of market; (6) dividends paid or payable per share and in the aggregate for each class of stock for each period presented; (7) dividend restrictions and accumulated preferred dividends in arrears (in aggregate and per share amount); (8) retained earnings appropriations or restrictions, such as dividend restrictions; (9) impact of change in accounting principle, initial adoption of new accounting principle and correction of an error in previously issued financial statements; (10) shares held in trust for Employee Stock Ownership Plan (ESOP); (11) deferred compensation related to issuance of capital stock; (12) note received for issuance of stock; (13) unamortized discount on shares; (14) description, terms, and number of warrants or rights outstanding; (15) shares under subscription and subscription receivables, effective date of new retained earnings after quasi-reorganization and deficit eliminated by quasi-reorganization and, for a period of at least ten years after the effective date, the point in time from which the new retained dates; and (16) retroactive effective of subsequent change in capital structure.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 12
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Article 4

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-Paragraph 29, 30, 31
-Article 5

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 4
-Section E

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 4
-Section C

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770

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Reference 21: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Preferred Stock
-URI http://asc.fasb.org/extlink&oid=6521494

Reference 22: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187143-122770

+ Details

Inventories

3 Months Ended

Jun. 30, 2011

Inventories

Inventories

(F)

INVENTORIES

Inventories are stated at the lower of average cost (including applicable material, labor, depreciation, and plant overhead) or market, and consist of the following:


	As of
	June 30, 2011		March 31, 2011
	(dollars in thousands)

Raw Materials and Material-in-Progress	$	36,215	$	35,118
Finished Cement		9,518		11,540
Gypsum Wallboard		6,280		6,347
Aggregates		12,636		12,419
Paperboard		3,796		5,274
Repair Parts and Supplies		41,343		41,659
Fuel and Coal		4,336		2,880

	$	114,124	$	115,237

Accrued Expenses

3 Months Ended

Jun. 30, 2011

Accrued Expenses

Accrued Expenses

(G)

ACCRUED EXPENSES

Accrued expenses consist of the following:


	As of
	June 30, 2011		March 31, 2011
	(dollars in thousands)
Payroll and Incentive Compensation	$	5,103	$	7,712
Benefits		7,908		7,988
Interest		2,902		7,003
Insurance		6,264		6,639
Property Taxes		4,427		4,033
Other		6,784		6,636

	$	33,388	$	40,011

Share-Based Employee Compensation

3 Months Ended

Jun. 30, 2011

Share-Based Employee Compensation

Share-Based Employee Compensation

(H)

SHARE-BASED EMPLOYEE COMPENSATION

On January 8, 2004, our stockholders approved a new incentive plan (the "Plan") that combined and amended the two previously existing stock option plans. In August 2009, our shareholders approved an amendment to the Plan which, among other things, increased the number of shares available for award under the Plan by 3 million shares. Under the terms of the Plan, we can issue equity awards, including stock options, restricted stock units ("RSUs"), restricted stock and stock appreciation rights (collectively, the "Equity Awards") to employees of the Company and members of the Board of Directors. The Compensation Committee of our Board of Directors specifies the terms for grants of Equity Awards under the Plan.

Long-Term Compensation Plans -

Options. In June 2011, the Compensation Committee of the Board of Directors approved an incentive equity award of an aggregate of 352,829 stock options pursuant to the Plan to certain individuals that vest ratably over a three year period (the "Fiscal 2012 Stock Option Grant"). The options have a term of ten years from the date of grant. These stock options were valued at the grant date using the Black-Scholes option pricing model. The weighted-average assumptions used in the Black-Scholes model to value the option awards in fiscal 2012 are as follows:


		Fiscal 2012
Dividend Yield		2.0%
Expected Volatility		41.9%
Risk Free Interest Rate		2.5%
Expected Life		8.0 years

Stock option expense for all outstanding stock option awards totaled approximately $0.3 million and $0.4 million for the three month periods ended June 30, 2011 and 2010, respectively. At June 30, 2011, there was approximately $5.7 million of unrecognized compensation cost related to outstanding stock options, net of estimated forfeitures, which is expected to be recognized over a weighted-average period of 3.3 years.

The following table represents stock option activity for the quarter ended June 30, 2011:


	Number of Shares			Weighted- Average Exercise Price
Outstanding Options at Beginning of Period		3,323,786		$	35.60
Granted		352,829		$	27.53
Exercised		(8,751	)	$	14.60
Cancelled		(49,912	)	$	31.19

Outstanding Options at End of Period		3,617,952		$	34.93

Options Exercisable at End of Period		1,776,227

Weighted-Average Fair Value of Options Granted during the Period	$	10.72

The following table summarizes information about stock options outstanding at June 30, 2011:


	Outstanding Options						Exercisable Options
Range of Exercise Prices	Number of Shares Outstanding		Weighted - Average Remaining Contractual Life		Weighted - Average Exercise Price		Number of Shares Outstanding		Weighted - Average Exercise Price
$ 11.56 - $ 13.43		321,552		1.50	$	12.34		321,552	$	12.34
$ 21.52 - $ 29.08		1,573,045		5.74	$	27.16		1,117,495	$	26.79
$ 34.09 - $ 40.78		310,670		2.42	$	37.87		269,370	$	38.05
$ 47.53 - $ 62.83		1,412,685		3.03	$	48.06		67,810	$	58.46

		3,617,952		4.02	$	34.93		1,776,227	$	27.09

At June 30, 2011, there was no aggregate intrinsic value for outstanding options. The aggregate intrinsic value of exercisable options at that date was approximately $1.5 million. The total intrinsic value of options exercised during the three month period ended June 30, 2011 was approximately $0.1 million.

Restricted Stock Units. Expense related to RSUs was approximately $0.3 million and $0.1 million for the three-month periods ended June 30, 2011 and 2010, respectively. At June 30, 2011, there was approximately $3.0 million of unearned compensation from RSUs, net of estimated forfeitures, which will be recognized over a weighted-average period of 1.9 years.

Restricted Stock. In June 2011, the Compensation Committee also approved the granting of an aggregate of 412,164 shares of restricted stock to certain key employees at both the corporate and subsidiary level that will be earned if our ten year average return on invested capital exceeds 12% at March 31, 2012. If this criterion is not met, all of the shares will be forfeited. If the criterion is met, restrictions on the shares will lapse ratably over five years, with the first fifth lapsing immediately, and the remaining restrictions lapsing on March 31, 2013 through 2016. The value of the restricted shares, net of estimated forfeitures, is being expensed over a five year period. Expense related to restricted shares was $0.3 million and $0.2 million for the three-month period ended June 30, 2011 and 2010, respectively. At June 30, 2011, there was approximately $17.1 million of unearned compensation from restricted stock, net of estimated forfeitures, which will be recognized over a weighted-average period of 6.7 years.

The number of shares available for future stock option, restricted stock unit, stock appreciation right and restricted stock grants under the Plan was 1,853,611 at June 30, 2011.

- Definition

The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph 64, 65, A240
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Statement of Position (SOP)
-Number 93-6
-Paragraph 53
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 14

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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Reference 6: http://www.xbrl.org/2003/role/presentationRef
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Reference 7: http://www.xbrl.org/2003/role/presentationRef
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-URI http://asc.fasb.org/extlink&oid=6418621&loc=d3e17540-113929

+ Details

Computation Of Earnings Per Share

3 Months Ended

Jun. 30, 2011

Computation Of Earnings Per Share

Computation Of Earnings Per Share

(I)

COMPUTATION OF EARNINGS PER SHARE

The calculation of basic and diluted common shares outstanding is as follows:


	For the Three Months Ended June 30,
	2011			2010
Weighted-Average Shares of Common Stock Outstanding		44,180,039			43,832,372

Common Equivalent Shares:
Assumed Exercise of Outstanding Dilutive Options		1,265,517			1,657,584
Less Shares Repurchased from Assumed Proceeds of Assumed Exercised Options		(1,088,803	)		(1,342,920	)

Restricted Shares		352,509			75,848

Weighted-Average Common and Common Equivalent Shares Outstanding		44,709,262			44,222,884

At June 30, 2011 and 2010, 2,205,352 and 1,981,871 stock options, respectively, were excluded from the diluted earnings per share calculation, as their effect was anti-dilutive.

Pension And Employee Benefit Plans

3 Months Ended

Jun. 30, 2011

Pension And Employee Benefit Plans

Pension And Employee Benefit Plans

(J)

PENSION AND EMPLOYEE BENEFIT PLANS

We sponsor several defined benefit and defined contribution pension plans which together cover substantially all our employees. Benefits paid under the defined benefit plans covering certain hourly employees are based on years of service and the employee's qualifying compensation over the last few years of employment.

The following table shows the components of net periodic cost for our plans:


	For the Three Months Ended June 30,
	2011			2010
	(dollars in thousands)
Service Cost – Benefits Earned during the Period	$	139		$	135
Interest Cost of Benefit Obligations		265			256
Expected Return on Plan Assets		(291	)		(206	)
Recognized Net Actuarial Loss		86			194
Amortization of Prior-Service Cost		20			32

Net Periodic Pension Cost	$	219		$	411

- Definition

The entire disclosure for pension and other postretirement benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5
-Subparagraph a
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5
-Subparagraph b
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5
-Subparagraph h
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5
-Subparagraph q
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 8
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 106
-Paragraph 518
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 87
-Paragraph 264
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Emerging Issues Task Force (EITF)
-Number 03-2
-Paragraph 8
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 30
-Paragraph 26
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 10: http://www.xbrl.org/2003/role/presentationRef
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-Name FASB Staff Position (FSP)
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 158
-Paragraph 7, 21, 22
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 12: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5, 6, 7, 8
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 13: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Implementation Guide (Q and A)
-Number FAS88
-Paragraph 63
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 14: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-URI http://asc.fasb.org/topic&trid=2235017

+ Details

Income Taxes

3 Months Ended

Jun. 30, 2011

Income Taxes

Income Taxes

(K)

INCOME TAXES

Income taxes for the interim period presented have been included in the accompanying financial statements on the basis of an estimated annual effective tax rate. In addition to the amount of tax resulting from applying the estimated annual effective tax rate to pre-tax income, we will, when appropriate, include certain items treated as discrete events to arrive at an estimated overall tax amount. The effective tax rate for the three months ended June 30, 2011 was approximately 24%.

- Definition

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 08
-Paragraph h
-Article 4

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 136, 172
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
-Number 109
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Paragraph 1
-Subparagraph (SX 210.4-08.(h))
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+ Details

Long-Term Debt

3 Months Ended

Jun. 30, 2011

Long-Term Debt

Long-Term Debt

(L)

LONG-TERM DEBT

Long-term debt consists of the following:


	As of
	June 30, 2011		March 31, 2011
	(dollars in thousands)
Bank Credit Facility	$	11,000	$	2,000
Senior Notes		285,000		285,000

Long-term Debt	$	296,000	$	287,000

Bank Credit Facility -

On December 16, 2010, we amended our existing credit facility, modifying certain financial and other covenants and extending the maturity date to 2015. The principal balance of the existing facility was repaid, and replaced with a new $300.0 million credit agreement ("the "Bank Credit Facility"). The Bank Credit Facility expires on December 16, 2015. Borrowings under the Bank Credit Facility are guaranteed by all major operating subsidiaries of the Company. At the option of the Company, outstanding principal amounts on the Bank Credit Facility bear interest at a variable rate equal to (i) LIBOR, plus an agreed margin (ranging from 100 to 225 basis points), which is to be established quarterly based upon the Company's ratio of consolidated EBITDA, which is defined as earnings before interest, taxes, depreciation and amortization, to its consolidated indebtedness, or (ii) an alternative base rate which is the higher of (a) the prime rate or (b) the federal funds rate plus ¹/2%, per annum plus an agreed margin (ranging from 0 to 125 basis points). Interest payments are payable monthly or at the end of the LIBOR advance periods, which can be up to a period of six months at the option of the Company. The Bank Credit Facility contains customary covenants that restrict our ability to incur additional debt, encumber our assets, sell assets, make or enter into certain investments, loans or guaranties and enter into sale and leaseback arrangements. The Bank Credit Facility also requires us to maintain a consolidated funded indebtedness ratio (consolidated indebtedness to consolidated earnings before interest, taxes, depreciation, amortization and other non-cash deductions) of 3.5 or less and an interest coverage ratio (consolidated earnings before interest, taxes, depreciation, amortization and other non-cash deductions to interest expense) of at least 2.5. The Bank Credit Facility also limits our ability to make certain restricted payments, such as paying cash dividends; however, there are several exceptions to this restriction, including: (i) the Company may pay cash dividends in an aggregate amount of up to $50.0 million each fiscal year; and (ii) the Company may make restricted payments not otherwise permitted so long as no default would result therefrom and our consolidated funded indebtedness ratio does not exceed 3.0.

The Bank Credit Facility has a $50.0 million letter of credit facility. Under the letter of credit facility, the Company pays a fee at a per annum rate equal to the applicable margin for Eurodollar loans in effect from time to time plus a one-time letter of credit fee in an amount equal to 0.125% of the initial stated amount. At June 30, 2011, we had $10.2 million of letters of credit outstanding. We currently have $278.8 million of borrowings available under the Bank Credit Facility at June 30, 2011.

Senior Notes -

We entered into a Note Purchase Agreement on November 15, 2005 (the "2005 Note Purchase Agreement") related to our sale of $200 million of senior, unsecured notes, designated as Series 2005A Senior Notes (the "Series 2005A Senior Notes") in a private placement transaction. The Series 2005A Senior Notes, which are guaranteed by substantially all of our subsidiaries, were sold at par and issued in three tranches on November 15, 2005. Since entering into the 2005 Note Purchase Agreement, we have repurchased $22 million in principal of the Series 2005A Senior Notes during prior periods. Following these repurchases, the amounts outstanding for each of the three tranches are as follows:


	Principal		Maturity Date		Interest Rate
Tranche A	$	38.6 million		November 15, 2012		5.25	%
Tranche B	$	77.2 million		November 15, 2015		5.38	%
Tranche C	$	62.2 million		November 15, 2017		5.48	%

Interest for each tranche of Notes is payable semi-annually on May 15 and November 15 of each year until all principal is paid for the respective tranche.

We entered into an additional Note Purchase Agreement on October 2, 2007 (the "2007 Note Purchase Agreement") related to our sale of $200 million of senior, unsecured notes, designated as Series 2007A Senior Notes (the "Series 2007A Senior Notes") in a private placement transaction. The Series 2007A Senior Notes, which are guaranteed by substantially all of our subsidiaries, were sold at par and issued in four tranches on October 2, 2007. Since entering into the 2007 Note Purchase Agreement, we have repurchased $93 million in principal of the Series 2007A Senior Notes during prior periods. Following the repurchase, the amounts outstanding for each of the four tranches are as follows:


	Principal		Maturity Date		Interest Rate
Tranche A	$	9.5 million		October 2, 2014		6.08	%
Tranche B	$	11.0 million		October 2, 2016		6.27	%
Tranche C	$	50.0 million		October 2, 2017		6.36	%
Tranche D	$	36.5 million		October 2, 2019		6.48	%

Interest for each tranche of Notes is payable semi-annually on April 2 and October 2 of each year until all principal is paid for the respective tranche.

Our obligations under the 2005 Note Purchase Agreement and the 2007 Note Purchase Agreement (collectively referred to as the "Note Purchase Agreements") and the Series 2005A Senior Notes and the Series 2007A Senior Notes (collectively referred to as "the Senior Notes") are equal in right of payment with all other senior, unsecured debt of the Company, including our debt under the Bank Credit Facility. The Note Purchase Agreements contain customary restrictive covenants, including covenants that place limits on our ability to encumber our assets, to incur additional debt, to sell assets, or to merge or consolidate with third parties, as well as certain cross covenants with the Bank Credit Facility. We were in compliance with all financial ratios and covenants at June 30, 2011.

Pursuant to a Subsidiary Guaranty Agreement, substantially all of our subsidiaries have guaranteed the punctual payment of all principal, interest, and Make-Whole Amounts (as defined in the Note Purchase Agreements) on the Senior Notes and the other payment and performance obligations of the Company contained in the Senior Notes and in the Note Purchase Agreements. We are permitted, at our option and without penalty, to prepay from time to time at least 10% of the original aggregate principal amount of the Senior Notes at 100% of the principal amount to be prepaid, together with interest accrued on such amount to be prepaid to the date of payment, plus a Make-Whole Amount. The Make-Whole Amount is computed by discounting the remaining scheduled payments of interest and principal of the Senior Notes being prepaid at a discount rate equal to the sum of 50 basis points and the yield to maturity of U.S. treasury securities having a maturity equal to the remaining average life of the Senior Notes being prepaid.

Interest Expense

3 Months Ended

Jun. 30, 2011

Interest Expense

Interest Expense

(M)

INTEREST EXPENSE

The following components are included in interest expense, net:


	For the Three Months Ended June 30,
	2011			2010
	(dollars in thousands)
Interest (Income)	$	(1	)	$	(2	)
Interest Expense		4,475			4,454
Interest Expense – Income Taxes		—			780
Other Expenses		111			58

Interest Expense, net	$	4,585		$	5,290

Interest income includes interest on investments of excess cash. Components of interest expense include interest associated with the Senior Notes, the bank credit facilities and commitment fees based on the unused portion of the bank credit facilities. Other expenses include amortization of debt issuance costs, and bank credit facility costs.

Interest expense – Income Taxes relates to interest accrued on our unrecognized tax benefits, primarily related to the Republic Asset Acquisition. During fiscal 2011, we paid or applied cash deposits as payments to the IRS and filed amended state tax returns and made payments for the tax years 2001 through 2006.

Segment Information

3 Months Ended

Jun. 30, 2011

Segment Information

Segment Information

(N)

SEGMENT INFORMATION

Operating segments are defined as components of an enterprise that engage in business activities that earn revenues, incur expenses and prepare separate financial information that is evaluated regularly by our chief operating decision maker in order to allocate resources and assess performance.

We operate in four business segments: Cement, Gypsum Wallboard, Recycled Paperboard, and Concrete and Aggregates, with Gypsum Wallboard and Cement being our principal lines of business. These operations are conducted in the U.S. and include the mining of limestone and the manufacture, production, distribution and sale of Portland cement (a basic construction material which is the essential binding ingredient in concrete), the mining of gypsum and the manufacture and sale of gypsum wallboard, the manufacture and sale of recycled paperboard to the gypsum wallboard industry and other paperboard converters, the sale of readymix concrete and the mining and sale of aggregates (crushed stone, sand and gravel). These products are used primarily in commercial and residential construction, public construction projects and projects to build, expand and repair roads and highways.

As further discussed below, we operate four cement plants, eleven cement distribution terminals, five gypsum wallboard plants, including the plant temporarily idled in Bernalillo, N.M., a gypsum wallboard distribution center, a recycled paperboard mill, nine readymix concrete batch plant locations and two aggregates processing plant locations. The principal markets for our cement products are Texas, northern Illinois (including Chicago), the Rocky Mountains, northern Nevada, and northern California. Gypsum wallboard and recycled paperboard are distributed throughout the continental U.S. Concrete and aggregates are sold to local readymix producers and paving contractors in the Austin, Texas area and northern California.

We conduct one of our four cement plant operations, Texas Lehigh Cement Company LP in Buda, Texas, through a Joint Venture. For segment reporting purposes only, we proportionately consolidate our 50% share of the Joint Venture's revenues and operating earnings, which is consistent with the way management reports the segments within the Company for making operating decisions and assessing performance.

We account for intersegment sales at market prices. The following table sets forth certain financial information relating to our operations by segment:


	For the Three Months Ended June 30,
	2011			2010
	(dollars in thousands)
Revenues –
Cement	$	60,144		$	62,462
Gypsum Wallboard		51,342			58,200
Paperboard		28,676			28,724
Concrete and Aggregates		11,900			11,323

Sub-total		152,062			160,709
Less: Intersegment Revenues		(10,861	)		(11,075	)

Net Revenues, including Joint Venture		141,201			149,634
Less: Joint Venture		(21,394	)		(18,840	)

Net Revenues	$	119,807		$	130,794


	For the Three Months Ended June 30,
	2011		2010
	(dollars in thousands)
Intersegment Revenues –
Cement	$	1,039	$	992
Paperboard		9,682		9,963
Concrete and Aggregates		140		120

	$	10,861	$	11,075


Cement Sales Volume (M Tons) –
Wholly – owned Operations		449		498
Joint Venture		225		204

		674		702


	For the Three Months Ended June 30,
	2011			2010
	(dollars in thousands)
Operating Earnings –
Cement	$	8,788		$	13,633
Gypsum Wallboard		1,238			5,201
Paperboard		3,030			3,794
Concrete and Aggregates		(235	)		315
Other, net		(79	)		717

Sub-total		12,742			23,660
Corporate General and Administrative		(4,118	)		(3,703	)

Earnings Before Interest and Income Taxes		8,624			19,957
Interest Expense, net		(4,585	)		(5,290	)

Earnings Before Income Taxes	$	4,039		$	14,667


Cement Operating Earnings –
Wholly – owned Operations	$	3,340		$	7,121
Joint Venture		5,448			6,512

	$	8,788		$	13,633


Capital Expenditures ⁽¹⁾–
Cement	$	2,120		$	2,119
Gypsum Wallboard		1,313			120
Paperboard		118			57
Concrete and Aggregates		212			920
Corporate Other		49			24

	$	3,812		$	3,240


Depreciation, Depletion and Amortization ⁽¹⁾–
Cement	$	3,730		$	3,734
Gypsum Wallboard		5,217			5,466
Paperboard		2,125			2,259
Concrete and Aggregates		1,061			841
Other, net		187			150

	$	12,320		$	12,450


	As of
	June 30, 2011		March 31, 2011
	(dollars in thousands)
Identifiable Assets ⁽¹⁾–
Cement	$	311,686	$	304,693
Gypsum Wallboard		442,692		443,174
Paperboard		143,337		144,434
Concrete and Aggregates		53,461		51,797
Corporate and Other		34,035		38,712

	$	985,211	$	982,810

⁽¹⁾	Basis conforms with equity method accounting.

Segment operating earnings, including the proportionately consolidated 50% interest in the revenues and expenses of the Joint Venture, represent revenues, less direct operating expenses, segment depreciation, and segment selling, general and administrative expenses. During the three month period ended June 30, 2011, we reversed an accrual recorded in a prior period, which resulted in a $3.0 million increase in our gypsum wallboard segment operating earnings. Corporate assets consist primarily of cash and cash equivalents, general office assets, miscellaneous other assets and unrecognized tax benefits. The segment breakdown of goodwill is as follows:


	As of
	June 30,		March 31,
	2011		2011
	(dollars in thousands)
Cement	$	8,359	$	8,359
Gypsum Wallboard		116,618		116,618
Paperboard		7,538		7,538

	$	132,515	$	132,515

We perform our annual test of impairment on goodwill during the fourth quarter of our fiscal year. Due to the decline in operating earnings of the gypsum wallboard segment during the last year, and continuing into this year, we have performed an impairment test at the end of the first quarter for the gypsum wallboard assets and goodwill, noting that there was no impairment at this time. We will continue to test for any potential impairment on a quarterly basis throughout fiscal year 2012, or until conditions in the wallboard industry improve enough for us to determine that an impairment loss is not likely to occur.

Summarized financial information for the Joint Venture that is not consolidated is set out below (this summarized financial information includes the total amount for the Joint Venture and not just our 50% interest in those amounts):


	For the Three Months Ended June 30,
	2011		2010
	(dollars in thousands)
Revenues	$	38,170	$	34,038
Gross Margin	$	11,888	$	14,120
Earnings Before Income Taxes	$	10,897	$	13,023


	As of
	June 30, 2011		March 31, 2011
	(dollars in thousands)
Current Assets	$	45,136	$	42,541
Non-Current Assets	$	35,742	$	33,457
Current Liabilities	$	14,203	$	10,296

- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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+ Details

Commitments And Contingencies

3 Months Ended

Jun. 30, 2011

Commitments And Contingencies

Commitments And Contingencies

O)	COMMITMENTS AND CONTINGENCIES

We have certain deductible limits under our workers' compensation and liability insurance policies for which reserves are established based on the undiscounted estimated costs of known and anticipated claims. We have entered into standby letter of credit agreements relating to workers' compensation and auto and general liability self-insurance. At June 30, 2011, we had contingent liabilities under these outstanding letters of credit of approximately $10.2 million.

The following table compares insurance accruals and payments for our operations:


	As of and for the Three Months Ended June 30,
	2011			2010
	(dollars in thousands)

Accrual Balances at Beginning of Period	$	6,639		$	6,384
Insurance Expense Accrued		966			754
Payments		(1,341	)		(690	)

Accrual Balance at End of Period	$	6,264		$	6,448

In the ordinary course of business, we execute contracts involving indemnifications that are standard in the industry and indemnifications specific to a transaction such as sale of a business. These indemnifications might include claims relating to any of the following: environmental and tax matters; intellectual property rights; governmental regulations and employment-related matters; customer, supplier, and other commercial contractual relationships; construction contracts and financial matters. While the maximum amount to which the Company may be exposed under such agreements cannot be estimated, it is the opinion of management that these indemnifications are not expected to have a material adverse effect on our consolidated financial position or results of operations. We currently have no outstanding guarantees.

We are currently contingently liable for performance under $10.1 million in performance bonds required by certain states and municipalities, and their related agencies. The bonds are principally for certain reclamation obligations and mining permits. We have indemnified the underwriting insurance company against any exposure under the performance bonds. In our past experience, no material claims have been made against these financial instruments.

We have various litigation, commitments and contingencies in the ordinary course of business. Management believes that none of the litigation in which it or any subsidiary is currently involved is likely to have a material adverse effect on our consolidated financial condition or results of operations.

The Internal Revenue Service (the "IRS") completed the examination of our federal income tax returns for all of the fiscal years ended March 31, 2001 through 2006. The IRS issued Exam Reports and Notices of Proposed Adjustment on November 9, 2007 for the examination of the 2001, 2002 and 2003 tax years, and on February 5, 2010 for the examination of the 2004, 2005 and 2006 tax years, in which it proposes to deny certain depreciation deductions claimed by us with respect to assets acquired by us from Republic Group LLC in November 2000 (the "Republic Assets"). The examination of our federal income tax return for fiscal years ended March 31, 2007 through March 31, 2011 is currently in progress.

In June 2010, we received a Notice of Deficiency ("Notice") of $71.5 million of taxes and penalties for the fiscal years ended March 31, 2001 through 2006, inclusive, related to the IRS audit of the Republic Asset Acquisition. The Notice was in substantial agreement with our financial accruals; including interest. The total amount related to the Notice, including interest, was approximately $98.7 million, of which $75 million had previously been deposited with the IRS. We deposited the remaining $23.7 million with the IRS in July 2010 and asked the IRS to apply all $98.7 million of deposits to the payment of the tax, penalties and interest. Subsequent review of the IRS interest billing produced a refund of $0.8 million reducing the net outlay to $97.9 million. Refund claims were filed with the IRS in October 2010 to recover all $97.9 million, plus interest, and we filed a lawsuit in May 2011 in Federal District Court to recover the requested refunds.

In the event we reach a settlement through negotiation or in the courts, we will reverse any accrued interest and penalties in excess of the negotiated settlement through the Consolidated Statement of Earnings. At this time, we are unable to predict with certainty the ultimate outcome or how much of the amounts paid for tax, interest, and penalties to the IRS and state taxing authorities will be recovered, if any.

- Definition

The entire disclosure for commitments and contingencies.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
-Number 14
-Paragraph 3
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 5
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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+ Details

Fair Value Of Financial Instruments

3 Months Ended

Jun. 30, 2011

Fair Value Of Financial Instruments

Fair Value Of Financial Instruments

(P)

FAIR VALUE OF FINANCIAL INSTRUMENTS

The fair value of our long-term debt has been estimated based upon our current incremental borrowing rates for similar types of borrowing arrangements. The fair value of our Senior Notes at June 30, 2011 is as follows:


	Fair Value
	(dollars in thousands)
Series 2005A Tranche A	$	39,758
Series 2005A Tranche B		82,372
Series 2005A Tranche C		65,388
Series 2007A Tranche A		10,284
Series 2007A Tranche B		12,073
Series 2007A Tranche C		54,750
Series 2007A Tranche D		39,603

The carrying values of cash and cash equivalents, accounts and notes receivable, accounts payable and accrued liabilities approximate their fair values due to the short-term maturities of these assets and liabilities. The fair value of our Bank Credit Facility also approximates its carrying value at June 30, 2011.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 44A, 44B
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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Reference 5: http://www.xbrl.org/2003/role/presentationRef
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Reference 6: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 30
-URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612

Reference 13: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 16
-URI http://asc.fasb.org/extlink&oid=6947722&loc=d3e13504-108611

Reference 14: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19296-110258

+ Details

Stockholders' Equity (Tables)

3 Months Ended

Jun. 30, 2011

Stockholders' Equity

Summary Of Changes In Stockholders' Equity


	For the Three Months Ended June 30, 2011
	(dollars in thousands)
Common Stock –
Balance at Beginning of Period	$	444
Issuance of Restricted Stock		4
Stock Option Exercises		1


Balance at End of Period		449


Capital in Excess of Par Value –
Balance at Beginning of Period		24,859
Stock Compensation Expense		835
Shares Redeemed to Settle Employee Taxes		(357	)
Stock Option Exercises		102


Balance at End of Period		25,439


Retained Earnings –
Balance at Beginning of Period		437,154
Dividends Declared to Stockholders		(4,449	)
Net Earnings		3,057


Balance at End of Period		435,762


Accumulated Other Comprehensive Losses –
Balance at Beginning of Period		(2,893	)


Balance at End of Period		(2,893	)


Total Stockholders' Equity	$	458,757

Inventories (Tables)

3 Months Ended

Jun. 30, 2011

Inventories

Schedule Of Inventories


	As of
	June 30, 2011		March 31, 2011
	(dollars in thousands)

Raw Materials and Material-in-Progress	$	36,215	$	35,118
Finished Cement		9,518		11,540
Gypsum Wallboard		6,280		6,347
Aggregates		12,636		12,419
Paperboard		3,796		5,274
Repair Parts and Supplies		41,343		41,659
Fuel and Coal		4,336		2,880

	$	114,124	$	115,237

Accrued Expenses (Tables)

3 Months Ended

Jun. 30, 2011

Accrued Expenses

Schedule Of Accrued Expenses


	As of
	June 30, 2011		March 31, 2011
	(dollars in thousands)
Payroll and Incentive Compensation	$	5,103	$	7,712
Benefits		7,908		7,988
Interest		2,902		7,003
Insurance		6,264		6,639
Property Taxes		4,427		4,033
Other		6,784		6,636

	$	33,388	$	40,011

Share-Based Employee Compensation (Tables)

3 Months Ended

Jun. 30, 2011

Share-Based Employee Compensation

Schedule Of Weighted-Average Assumptions Used To Value The Option Awards


		Fiscal 2012
Dividend Yield		2.0%
Expected Volatility		41.9%
Risk Free Interest Rate		2.5%
Expected Life		8.0 years

Schedule Of Stock Option Activity


	Number of Shares			Weighted- Average Exercise Price
Outstanding Options at Beginning of Period		3,323,786		$	35.60
Granted		352,829		$	27.53
Exercised		(8,751	)	$	14.60
Cancelled		(49,912	)	$	31.19

Outstanding Options at End of Period		3,617,952		$	34.93

Options Exercisable at End of Period		1,776,227

Weighted-Average Fair Value of Options Granted during the Period	$	10.72

Schedule Of Stock Options Outstanding


	Outstanding Options						Exercisable Options
Range of Exercise Prices	Number of Shares Outstanding		Weighted - Average Remaining Contractual Life		Weighted - Average Exercise Price		Number of Shares Outstanding		Weighted - Average Exercise Price
$ 11.56 - $ 13.43		321,552		1.50	$	12.34		321,552	$	12.34
$ 21.52 - $ 29.08		1,573,045		5.74	$	27.16		1,117,495	$	26.79
$ 34.09 - $ 40.78		310,670		2.42	$	37.87		269,370	$	38.05
$ 47.53 - $ 62.83		1,412,685		3.03	$	48.06		67,810	$	58.46

		3,617,952		4.02	$	34.93		1,776,227	$	27.09

Computation Of Earnings Per Share (Tables)

3 Months Ended

Jun. 30, 2011

Computation Of Earnings Per Share

Schedule Of Calculation Of Basic And Diluted Common Shares Outstanding


	For the Three Months Ended June 30,
	2011			2010
Weighted-Average Shares of Common Stock Outstanding		44,180,039			43,832,372

Common Equivalent Shares:
Assumed Exercise of Outstanding Dilutive Options		1,265,517			1,657,584
Less Shares Repurchased from Assumed Proceeds of Assumed Exercised Options		(1,088,803	)		(1,342,920	)

Restricted Shares		352,509			75,848

Weighted-Average Common and Common Equivalent Shares Outstanding		44,709,262			44,222,884

Pension And Employee Benefit Plans (Tables)

3 Months Ended

Jun. 30, 2011

Pension And Employee Benefit Plans

Components Of Net Periodic Cost


	For the Three Months Ended June 30,
	2011			2010
	(dollars in thousands)
Service Cost – Benefits Earned during the Period	$	139		$	135
Interest Cost of Benefit Obligations		265			256
Expected Return on Plan Assets		(291	)		(206	)
Recognized Net Actuarial Loss		86			194
Amortization of Prior-Service Cost		20			32

Net Periodic Pension Cost	$	219		$	411

Long-Term Debt (Tables)

3 Months Ended

Jun. 30, 2011

Schedule Of Long-Term Debt


	As of
	June 30, 2011		March 31, 2011
	(dollars in thousands)
Bank Credit Facility	$	11,000	$	2,000
Senior Notes		285,000		285,000

Long-term Debt	$	296,000	$	287,000

2005 Note Purchase Agreement [Member]

Schedule Of Long-Term Debt


	Principal		Maturity Date		Interest Rate
Tranche A	$	38.6 million		November 15, 2012		5.25	%
Tranche B	$	77.2 million		November 15, 2015		5.38	%
Tranche C	$	62.2 million		November 15, 2017		5.48	%

2007 Note Purchase Agreement [Member]

Schedule Of Long-Term Debt


	Principal		Maturity Date		Interest Rate
Tranche A	$	9.5 million		October 2, 2014		6.08	%
Tranche B	$	11.0 million		October 2, 2016		6.27	%
Tranche C	$	50.0 million		October 2, 2017		6.36	%
Tranche D	$	36.5 million		October 2, 2019		6.48	%

- Definition

Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21538-112644

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21521-112644

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(e),(f))
-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

+ Details

Interest Expense (Tables)

3 Months Ended

Jun. 30, 2011

Interest Expense

Schedule Of Interest Expense


	For the Three Months Ended June 30,
	2011			2010
	(dollars in thousands)
Interest (Income)	$	(1	)	$	(2	)
Interest Expense		4,475			4,454
Interest Expense – Income Taxes		—			780
Other Expenses		111			58

Interest Expense, net	$	4,585		$	5,290

Segment Information (Tables)

3 Months Ended

Jun. 30, 2011

Segment Information

Schedule Of Financial Information Related To Operations By Segment


	For the Three Months Ended June 30,
	2011			2010
	(dollars in thousands)
Revenues –
Cement	$	60,144		$	62,462
Gypsum Wallboard		51,342			58,200
Paperboard		28,676			28,724
Concrete and Aggregates		11,900			11,323

Sub-total		152,062			160,709
Less: Intersegment Revenues		(10,861	)		(11,075	)

Net Revenues, including Joint Venture		141,201			149,634
Less: Joint Venture		(21,394	)		(18,840	)

Net Revenues	$	119,807		$	130,794

Schedule Of Financial Information Related To Intersegment Revenue


	For the Three Months Ended June 30,
	2011		2010
	(dollars in thousands)
Intersegment Revenues –
Cement	$	1,039	$	992
Paperboard		9,682		9,963
Concrete and Aggregates		140		120

	$	10,861	$	11,075


Cement Sales Volume (M Tons) –
Wholly – owned Operations		449		498
Joint Venture		225		204

		674		702


	For the Three Months Ended June 30,
	2011			2010
	(dollars in thousands)
Operating Earnings –
Cement	$	8,788		$	13,633
Gypsum Wallboard		1,238			5,201
Paperboard		3,030			3,794
Concrete and Aggregates		(235	)		315
Other, net		(79	)		717

Sub-total		12,742			23,660
Corporate General and Administrative		(4,118	)		(3,703	)

Earnings Before Interest and Income Taxes		8,624			19,957
Interest Expense, net		(4,585	)		(5,290	)

Earnings Before Income Taxes	$	4,039		$	14,667


Cement Operating Earnings –
Wholly – owned Operations	$	3,340		$	7,121
Joint Venture		5,448			6,512

	$	8,788		$	13,633


Capital Expenditures ⁽¹⁾–
Cement	$	2,120		$	2,119
Gypsum Wallboard		1,313			120
Paperboard		118			57
Concrete and Aggregates		212			920
Corporate Other		49			24

	$	3,812		$	3,240


Depreciation, Depletion and Amortization ⁽¹⁾–
Cement	$	3,730		$	3,734
Gypsum Wallboard		5,217			5,466
Paperboard		2,125			2,259
Concrete and Aggregates		1,061			841
Other, net		187			150

	$	12,320		$	12,450

Schedule Of Identifiable Assets


	As of
	June 30, 2011		March 31, 2011
	(dollars in thousands)
Identifiable Assets ⁽¹⁾–
Cement	$	311,686	$	304,693
Gypsum Wallboard		442,692		443,174
Paperboard		143,337		144,434
Concrete and Aggregates		53,461		51,797
Corporate and Other		34,035		38,712

	$	985,211	$	982,810

⁽¹⁾	Basis conforms with equity method accounting.

Schedule Of Goodwill


	As of
	June 30,		March 31,
	2011		2011
	(dollars in thousands)
Cement	$	8,359	$	8,359
Gypsum Wallboard		116,618		116,618
Paperboard		7,538		7,538

	$	132,515	$	132,515

Schedule Of Summarized Financial Information For The Joint Venture Not Consolidated


	For the Three Months Ended June 30,
	2011		2010
	(dollars in thousands)
Revenues	$	38,170	$	34,038
Gross Margin	$	11,888	$	14,120
Earnings Before Income Taxes	$	10,897	$	13,023

Schedule Of Assets And Liabilities Of The Joint Venture Not Consolidated


	As of
	June 30, 2011		March 31, 2011
	(dollars in thousands)
Current Assets	$	45,136	$	42,541
Non-Current Assets	$	35,742	$	33,457
Current Liabilities	$	14,203	$	10,296

- Definition

Tabular disclosure of goodwill by reportable segment and in total. Disclosure details may include, but are not limited to, the carrying amount of goodwill, goodwill acquired during the year, goodwill impairment losses recognized, goodwill written-off due to the sale of a business unit, goodwill not yet allocated, and any other changes to goodwill.

+ References + Details

- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

+ References + Details

Commitments And Contingencies (Tables)

3 Months Ended

Jun. 30, 2011

Commitments And Contingencies

Schedule Of Insurance Accruals And Payments


	As of and for the Three Months Ended June 30,
	2011			2010
	(dollars in thousands)

Accrual Balances at Beginning of Period	$	6,639		$	6,384
Insurance Expense Accrued		966			754
Payments		(1,341	)		(690	)

Accrual Balance at End of Period	$	6,264		$	6,448

Fair Value Of Financial Instruments (Tables)

3 Months Ended

Jun. 30, 2011

Fair Value Of Financial Instruments

Schedule Of Fair Value Of Senior Notes


	Fair Value
	(dollars in thousands)
Series 2005A Tranche A	$	39,758
Series 2005A Tranche B		82,372
Series 2005A Tranche C		65,388
Series 2007A Tranche A		10,284
Series 2007A Tranche B		12,073
Series 2007A Tranche C		54,750
Series 2007A Tranche D		39,603

Cash Flow Information - Supplemental (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Cash Flow Information - Supplemental
Cash payments made for interest	$ 8.6	$ 8.6
Net payments made for federal and state income taxes	$ 0.2	$ 1.4

Comprehensive Income (Details) - USD ($) $ in Thousands	Jun. 30, 2011	Mar. 31, 2011
Comprehensive Income
Accumulated other comprehensive loss	$ (2,893)	$ (2,893)

- Definition

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

+ References

+ Details

Accounts And Notes Receivable (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2011	Mar. 31, 2011
Allowance for doubtful accounts	$ 4.8	$ 4.6
Significant credit risk concentration	0
Notes payable interest rate plus prime rate	1.50%
Notes receivable, total	$ 6.3
Notes receivable, current	$ 1.2
Notes receivable maturity date range start	2011
Notes receivable maturity date range end	2017
Notes Receivable [Member]
Allowance for doubtful accounts	$ 0.6

- Definition

Description of potential risks that the counterparty to a contractual arrangement fails to meet its contractual obligations. At a minimum, the description informs financial statement users of the general nature of the risk.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 15A
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 113
-Paragraph 28
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Statement of Position (SOP)
-Number 01-6
-Paragraph 14
-Subparagraph m
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Staff Position (FSP)
-Number SOP94-6-1
-Paragraph 7, 11
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 825
-Section 55
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6487554&loc=d3e32600-158583

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-URI http://asc.fasb.org/extlink&oid=6947722&loc=d3e13537-108611

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=6947722&loc=d3e13531-108611

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 55
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6875567&loc=d3e14537-108613

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 825
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6480020&loc=d3e61044-112788

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 825
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6480020&loc=d3e61082-112788

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 55
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6875567&loc=d3e14489-108613

+ Details

- Definition

An amount representing an agreement for an unconditional promise by the maker to pay the Company (holder) a definite sum of money within one year from the balance sheet date (or the normal operating cycle, whichever is longer), net of any write-downs taken for collection uncertainty on the part of the holder. Such amount may include accrued interest receivable in accordance with the terms of the debt. The debt also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. This amount does not include amounts related to receivables held-for-sale.

+ References + Details

Stockholders' Equity (Details) - USD ($) $ in Thousands	3 Months Ended
Stockholders' Equity (Details) - USD ($) $ in Thousands	Jun. 30, 2011	Jun. 30, 2010	Mar. 31, 2011
Balance at Beginning of Period	$ 444
Stock Compensation Expense	835	$ 649
Shares Redeemed to Settle Employee Taxes	(357)
Net Earnings	3,057	$ 10,527
Balance at End of Period	449
Total Stockholders' Equity	$ 458,757		$ 459,564
Share repurchased during period	0
Number of shares authorized to be purchased	717,300
Common Stock [Member]
Balance at Beginning of Period	$ 444
Issuance of Restricted Stock	4
Stock Option Exercises	1
Balance at End of Period	449
Capital In Excess Of Par Value [Member]
Balance at Beginning of Period	24,859
Stock Compensation Expense	835
Stock Option Exercises	102
Balance at End of Period	25,439
Retained Earnings [Member]
Balance at Beginning of Period	437,154
Dividends Declared to Stockholders	(4,449)
Net Earnings	3,057
Balance at End of Period	435,762
Accumulated Other Comprehensive Losses [Member]
Balance at Beginning of Period	(2,893)
Balance at End of Period	$ (2,893)

Inventories (Schedule Of Inventories) ( Details) - USD ($) $ in Thousands	Jun. 30, 2011	Mar. 31, 2011
Inventories	$ 114,124	$ 115,237
Raw Materials And Material-In-Progress [Member]
Inventories	36,215	35,118
Finished Cement [Member]
Inventories	9,518	11,540
Gypsum Wallboard [Member]
Inventories	6,280	6,347
Paperboard [Member]
Inventories	3,796	5,274
Aggregates [Member]
Inventories	12,636	12,419
Repair Parts And Supplies [Member]
Inventories	41,343	41,659
Fuel And Coal [Member]
Inventories	$ 4,336	$ 2,880

Accrued Expenses (Schedule Of Accrued Expenses) (Details) - USD ($) $ in Thousands	Jun. 30, 2011	Mar. 31, 2011
Accrued Expenses
Payroll and Incentive Compensation	$ 5,103	$ 7,712
Benefits	7,908	7,988
Interest	2,902	7,003
Insurance	6,264	6,639
Property Taxes	4,427	4,033
Other	6,784	6,636
Accrued expenses, total	$ 33,388	$ 40,011

- Definition

Carrying value as of the balance sheet date of obligations incurred and payable for real and property taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References + Details

- Definition

Carrying value as of the balance sheet date of obligations, excluding pension and other postretirement benefits, incurred through that date and payable for perquisites provided to employees pertaining to services received from them. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References + Details

- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable to insurance entities to mitigate potential loss from various risks or to satisfy a promise to provide certain coverage's to employees. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References + Details

- Definition

Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References + Details

- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable arising from transactions not otherwise specified in the taxonomy. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References + Details

Share-Based Employee Compensation (Narrative) (Details)	3 Months Ended
Share-Based Employee Compensation (Narrative) (Details)	Mar. 31, 2012	Jun. 30, 2011 USD ($) shares	Jun. 30, 2010 USD ($)	Aug. 31, 2009 shares
Intrinsic value for outstanding options		$ 0
Aggregate intrinsic value of exercisable options		1,500,000
Total intrinsic value of options exercised		100,000
Number of shares available future grant \| shares				3,000,000
Stock Options [Member]
Unrecognized compensation cost		$ 5,700,000
Weighted-average period of recognition of unrecognized compensation cost		3.3
Stock option expense		$ 300,000	$ 400,000
Number of shares available future grant \| shares		1,853,611
Number of shares approved by the Board of Directors \| shares		352,829
Restricted Stock [Member]
Unrecognized compensation cost		$ 17,100,000
Weighted-average period of recognition of unrecognized compensation cost		6.7
Restricted stock option expense		$ 300,000	200,000
Number of shares available future grant \| shares		1,655,600
Number of shares approved by the Board of Directors \| shares		412,164
Average return on equity	12.00%
Stock Appreciation Rights (SARs) [Member]
Number of shares available future grant \| shares		1,655,600
Restricted Stock Units (RSUs) [Member]
Unrecognized compensation cost		$ 3,000,000
Weighted-average period of recognition of unrecognized compensation cost		1.9
Stock option expense		$ 300,000	$ 100,000
Number of shares available future grant \| shares		1,655,600

Share-Based Employee Compensation (Schedule Of Weighted-Average Assumptions Used To Value The Option Awards) (Details)	3 Months Ended
	Jun. 30, 2011
Share-Based Employee Compensation
Dividend Yield	2.00%
Expected Volatility	41.90%
Risk Free Interest Rate	2.50%
Expected Life	8.0

Share-Based Employee Compensation (Schedule Of Stock Option Activity) (Details)	3 Months Ended
	Jun. 30, 2011 $ / shares shares
Share-Based Employee Compensation
Number of Shares, Outstanding Options at Beginning of Period \| shares	3,323,786
Number of Shares, Granted \| shares	352,829
Number of Shares, Exercised \| shares	(8,751)
Number of Shares, Cancelled \| shares	(49,912)
Number of Shares, Outstanding Options at end of Period \| shares	3,617,952
Number of Shares, Options Exercisable at End of Period \| shares	1,776,227
Number of Shares, Weighted-Average Fair Value of Options Granted during the Period \| $ / shares	$ 10.72
Weighted-Average Exercise Price, Outstanding Options at Beginning of Period \| $ / shares	35.60
Weighted-Average Exercise Price, Granted \| $ / shares	27.53
Weighted-Average Exercise Price, Exercised \| $ / shares	14.60
Weighted-Average Exercise Price, Cancelled \| $ / shares	31.19
Weighted-Average Exercise Price, Outstanding Options at End of Period \| $ / shares	$ 34.93

Share-Based Employee Compensation (Schedule Of Stock Options Outstanding) (Details)	3 Months Ended
	Jun. 30, 2011 $ / shares shares
Outstanding Options, Number of Shares Outstanding \| shares	3,617,952
Outstanding Options, Weighted-Average Remaining Contractual Life	4.02
Outstanding Options, Weighted-Average Exercise Price	$ 34.93
Exercisable Options, Number of Shares Outstanding \| shares	1,776,227
Exercisable Options, Weighted-Average Exercise Price	$ 27.09
$ 11.56 - $ 13.43 [Member]
Range of Exercise Price, Lower Range	11.56
Range of Exercise Price, Upper Range	$ 13.43
Outstanding Options, Number of Shares Outstanding \| shares	321,552
Outstanding Options, Weighted-Average Remaining Contractual Life	1.50
Outstanding Options, Weighted-Average Exercise Price	$ 12.34
Exercisable Options, Number of Shares Outstanding \| shares	321,552
Exercisable Options, Weighted-Average Exercise Price	$ 12.34
$ 21.52 - $ 29.08 [Member]
Range of Exercise Price, Lower Range	21.52
Range of Exercise Price, Upper Range	$ 29.08
Outstanding Options, Number of Shares Outstanding \| shares	1,573,045
Outstanding Options, Weighted-Average Remaining Contractual Life	5.74
Outstanding Options, Weighted-Average Exercise Price	$ 27.16
Exercisable Options, Number of Shares Outstanding \| shares	1,117,495
Exercisable Options, Weighted-Average Exercise Price	$ 26.79
$ 34.09 -$ 40.78 [Member]
Range of Exercise Price, Lower Range	34.09
Range of Exercise Price, Upper Range	$ 40.78
Outstanding Options, Number of Shares Outstanding \| shares	310,670
Outstanding Options, Weighted-Average Remaining Contractual Life	2.42
Outstanding Options, Weighted-Average Exercise Price	$ 37.87
Exercisable Options, Number of Shares Outstanding \| shares	269,370
Exercisable Options, Weighted-Average Exercise Price	$ 38.05
$ 47.53 - $ 62.83 [Member]
Range of Exercise Price, Lower Range	47.53
Range of Exercise Price, Upper Range	$ 62.83
Outstanding Options, Number of Shares Outstanding \| shares	1,412,685
Outstanding Options, Weighted-Average Remaining Contractual Life	3.03
Outstanding Options, Weighted-Average Exercise Price	$ 48.06
Exercisable Options, Number of Shares Outstanding \| shares	67,810
Exercisable Options, Weighted-Average Exercise Price	$ 58.46

Computation Of Earnings Per Share (Details) - shares	3 Months Ended
Computation Of Earnings Per Share (Details) - shares	Jun. 30, 2011	Jun. 30, 2010
Computation Of Earnings Per Share
Weighted-Average Shares of Common Stock Outstanding	44,180,039	43,832,372
Assumed Exercise of Outstanding Dilutive Options	1,265,517	1,657,584
Less Shares Repurchased from Assumed Proceeds of Assumed Exercised Options	(1,088,803)	(1,342,920)
Restricted Shares	352,509	75,848
Weighted-Average Common and Common Equivalent Shares Outstanding	44,709,262	44,222,884
Shares excluded due to anti-dilution effects	2,205,352	1,981,871

- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 128
-Paragraph 13, 14
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 128
-Paragraph 171
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 128
-Paragraph 40
-Subparagraph c
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Diluted Earnings Per Share
-URI http://asc.fasb.org/extlink&oid=6510752

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Contingent Stock Agreement
-URI http://asc.fasb.org/extlink&oid=6508534

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Antidilution
-URI http://asc.fasb.org/extlink&oid=6505113

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Emerging Issues Task Force (EITF)
-Number 07-4
-Paragraph 4
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

- Definition

The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References + Details

- Definition

Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 128
-Paragraph 171
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 128
-Paragraph 40
-Subparagraph a
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 128
-Paragraph 8
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 45
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=6920599&loc=d3e1448-109256

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Weighted-Average Number of Common Shares Outstanding
-URI http://asc.fasb.org/extlink&oid=6528421

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Emerging Issues Task Force (EITF)
-Number 07-4
-Paragraph 4
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Pension And Employee Benefit Plans (Components Of Net Periodic Cost) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Pension And Employee Benefit Plans
Service Cost - Benefits Earned during the Period	$ 139	$ 135
Interest Cost of Benefit Obligations	265	256
Expected Return on Plan Assets	(291)	(206)
Recognized Net Actuarial Loss	86	194
Amortization of Prior-Service Cost	20	32
Net Periodic Pension Cost	$ 219	$ 411

- Definition

The net increase or decrease of changes in the value of either the benefit obligation or the plan assets resulting from experience different from that assumed or from a change in an actuarial assumption, or the consequence of a decision to temporarily deviate from the substantive plan.

+ References

+ Details

- Definition

An amount calculated as a basis for determining the extent of delayed recognition of the effects of changes in the fair value of assets. The expected return on plan assets is determined based on the expected long-term rate of return on plan assets and the market-related value of plan assets.

+ References

+ Details

- Definition

The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time.

+ References + Details

- Definition

The actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period. The portion of the expected postretirement benefit obligation attributed to employee service during the period. The service cost component is a portion of the benefit obligation and is unaffected by the funded status of the plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 106
-Paragraph 518
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 87
-Paragraph 264
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5
-Subparagraph a, h
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (h)(1)
-URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e1928-114920

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e1928-114920

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Service Cost (Component of Net Periodic Pension Cost)
-URI http://asc.fasb.org/extlink&oid=6525008

+ Details

Income Taxes (Details)	3 Months Ended
Income Taxes (Details)	Jun. 30, 2011
Income Taxes
Effective tax rate	24.00%

Long-Term Debt (Narrative) (Details) - USD ($)	3 Months Ended
Long-Term Debt (Narrative) (Details) - USD ($)	Jun. 30, 2011	Oct. 02, 2007	Nov. 15, 2005
Senior notes, payment terms	payable semi-annually on May 15 and November 15 of each year until all principal is paid for the respective tranche.
Senior notes, permitted minimum aggregate principal amount prepayment without penalty	10.00%
Senior notes, principal amount to be prepaid	100.00%
Senior notes, calculation of make-whole amount, description	discounting the remaining scheduled payments of interest and principal of the Senior Notes being prepaid at a discount rate equal to the sum of 50 basis points
Existing Credit Facility [Member]
Bank credit facility, maturity date	2015
New Credit Facility [Member]
Bank credit facility, maturity date	December 16, 2015
Bank credit facility, principal balance	$ 300,000,000
Bank credit facility, interest rate description	(i) LIBOR, plus an agreed margin (ranging from 100 to 225 basis points), which is to be established quarterly based upon the Company's ratio of consolidated EBITDA, which is defined as earnings before interest, taxes, depreciation and amortization, to its consolidated indebtedness, or (ii) an alternative base rate which is the higher of (a) the prime rate or (b) the federal funds rate plus <font class="_mt" size="1"><sup style="position: relative; bottom: 0.8ex; vertical-align: baseline;"> 1</sup></font><font class="_mt" size="2">/</font><font class="_mt" size="1">2</font><font style="font-family: Times New Roman;" class="_mt" size="2">%, per annum plus an agreed margin (ranging from 0 to 125 basis points).</font>
Consolidated funded indebtedness ratio	3.5 or less
Interest coverage ratio	at least 2.5
Restricted payments maximum amount allowed for cash dividend	$ 50,000,000
Restricted payments maximum consolidated funded indebtedness ratio	3.0
Bank credit facility, borrowings available	$ 278,800,000
2005 Note Purchase Agreement [Member]
Senior notes, sale			$ 200,000,000
Senior notes, repurchased amount	22,000,000
2007 Note Purchase Agreement [Member]
Senior notes, sale		$ 200,000,000
Senior notes, repurchased amount	93,000,000
Letter Of Credit [Member] \| New Credit Facility [Member]
Bank credit facility, principal balance	$ 50,000,000
Bank credit facility , one time fee	0.125%
Bank credit facility, borrowings outstanding	$ 10,200,000

Long-Term Debt (Schedule Of Long-Term Debt) (Details) - USD ($) $ in Thousands	Jun. 30, 2011	Mar. 31, 2011
Long-term Debt	$ 296,000	$ 287,000
Bank Credit Facility [Member]
Long-term Debt	11,000	2,000
Senior Notes [Member]
Long-term Debt	$ 285,000	$ 285,000

Long-Term Debt (Schedule Of Long-Term Debt Amount Outstanding) (Details) $ in Millions	3 Months Ended
	Jun. 30, 2011 USD ($)
2005 Note Purchase Agreement [Member] \| Series 2005A Tranche A [Member]
Principal	$ 38.6
Maturity Date	Nov. 15, 2012
Interest Rate	5.25%
2005 Note Purchase Agreement [Member] \| Series 2005A Tranche B [Member]
Principal	$ 77.2
Maturity Date	Nov. 15, 2015
Interest Rate	5.38%
2005 Note Purchase Agreement [Member] \| Series 2005A Tranche C [Member]
Principal	$ 62.2
Maturity Date	Nov. 15, 2017
Interest Rate	5.48%
2007 Note Purchase Agreement [Member] \| Series 2007A Tranche A [Member]
Principal	$ 9.5
Maturity Date	Oct. 02, 2014
Interest Rate	6.08%
2007 Note Purchase Agreement [Member] \| Series 2007A Tranche B [Member]
Principal	$ 11.0
Maturity Date	Oct. 02, 2016
Interest Rate	6.27%
2007 Note Purchase Agreement [Member] \| Series 2007A Tranche C [Member]
Principal	$ 50.0
Maturity Date	Oct. 02, 2017
Interest Rate	6.36%
2007 Note Purchase Agreement [Member] \| Series 2007A Tranche D [Member]
Principal	$ 36.5
Maturity Date	Oct. 02, 2019
Interest Rate	6.48%

Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended
Interest Expense (Details) - USD ($) $ in Thousands	Jun. 30, 2011	Jun. 30, 2010
Interest Expense
Interest (Income)	$ (1)	$ (2)
Interest Expense	4,475	4,454
Interest Expense - Income Taxes		780
Other Expenses	111	58
Interest Expense, net	$ 4,585	$ 5,290

Segment Information (Narrative) (Details) $ in Millions	3 Months Ended
Segment Information (Narrative) (Details) $ in Millions	Jun. 30, 2011 USD ($)
Joint venture share percentage	50.00%
Gypsum Wallboard [Member]
Increase in earnings due to reversal of prior period accrual	$ 3.0

Segment Information (Schedule Of Financial Information Related To Operations By Segment) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Revenues, Sub-total	$ 152,062	$ 160,709
Less: Intersegment Revenues	10,861	11,075
Net Revenues, including Joint Venture	141,201	149,634
Less: Joint Venture	(21,394)	(18,840)
Revenues, Total	$ 119,807	130,794
Proportionate consolidation of share of the Joint Venture's revenues and operating earnings	50.00%
Cement [Member]
Revenues, Sub-total	$ 60,144	62,462
Less: Intersegment Revenues	1,039	992
Gypsum Wallboard [Member]
Revenues, Sub-total	51,342	58,200
Paperboard [Member]
Revenues, Sub-total	28,676	28,724
Less: Intersegment Revenues	9,682	9,963
Concrete And Aggregates [Member]
Revenues, Sub-total	11,900	11,323
Less: Intersegment Revenues	$ 140	$ 120

Segment Information (Schedule Of Financial Information Related To Intersegment Revenue) (Details) Unit13 in Thousands, $ in Thousands	3 Months Ended
	Jun. 30, 2011 USD ($)	Jun. 30, 2010 USD ($)
Intersegment Revenues	$ 10,861	$ 11,075
Sales Volume	674	702
Operating Earnings, Other, net	$ (79)	$ 717
Operating Earnings, Sub-total	12,742	23,660
Corporate General and Administrative Expense	(4,118)	(3,703)
Earnings before Interest and Income Taxes	8,624	19,957
Interest Expense, Net	(4,585)	(5,290)
Earnings before Income Taxes	4,039	14,667
Capital Expenditure, Other	49	24
Capital Expenditure, Total	3,812	3,240
Depreciation, Depletion and Amortization, Other, net	187	150
Depreciation, Depletion and Amortization, Total	$ 12,320	$ 12,450
Wholly-Owned Operations [Member]
Sales Volume	449	498
Joint Venture [Member]
Sales Volume	225	204
Cement [Member]
Intersegment Revenues	$ 1,039	$ 992
Operating Earnings, Other, net	8,788	13,633
Capital Expenditure, Other	2,120	2,119
Depreciation, Depletion and Amortization, Other, net	3,730	3,734
Cement [Member] \| Wholly-Owned Operations [Member]
Operating Earnings, Other, net	3,340	7,121
Cement [Member] \| Joint Venture [Member]
Operating Earnings, Other, net	5,448	6,512
Gypsum Wallboard [Member]
Operating Earnings, Other, net	1,238	5,201
Capital Expenditure, Other	1,313	120
Depreciation, Depletion and Amortization, Other, net	5,217	5,466
Paperboard [Member]
Intersegment Revenues	9,682	9,963
Operating Earnings, Other, net	3,030	3,794
Capital Expenditure, Other	118	57
Depreciation, Depletion and Amortization, Other, net	2,125	2,259
Concrete And Aggregates [Member]
Intersegment Revenues	140	120
Operating Earnings, Other, net	(235)	315
Capital Expenditure, Other	212	920
Depreciation, Depletion and Amortization, Other, net	$ 1,061	$ 841

Segment Information (Schedule Of Identifiable Assets) (Details) - USD ($)
$ in Thousands

Jun. 30, 2011

Mar. 31, 2011

Identifiable Assets, Total

^[1]

$ 985,211

$ 982,810

Cement [Member]

Identifiable Assets, Total

^[1]

311,686

304,693

Gypsum Wallboard [Member]

Identifiable Assets, Total

^[1]

442,692

443,174

Paperboard [Member]

Identifiable Assets, Total

^[1]

143,337

144,434

Concrete And Aggregates [Member]

Identifiable Assets, Total

^[1]

53,461

51,797

Corporate and Other [Member]

Identifiable Assets, Total

^[1]

$ 34,035

$ 38,712

[1]	Basis conforms with equity method accounting.

Segment Information (Schedule Of Goodwill) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2011	Mar. 31, 2011
Goodwill	$ 132,515	$ 132,515
Impairment of assets	0
Impairment of goodwill	0
Cement [Member]
Goodwill	8,359	8,359
Gypsum Wallboard [Member]
Goodwill	116,618	116,618
Paperboard [Member]
Goodwill	$ 7,538	$ 7,538

- Definition

Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 45
-Subparagraph e
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 43
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141R
-Paragraph 68
-Subparagraph l
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6905597&loc=d3e13816-109267

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141R
-Paragraph 72
-Subparagraph d
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 45
-Subparagraph e
-Clause 1
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141R
-Paragraph 34
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

- Definition

Loss recognized during the period that results from the write-down of goodwill after comparing the implied fair value of reporting unit goodwill with the carrying amount of that goodwill. Goodwill is assessed at least annually for impairment.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 47
-Subparagraph b
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 20
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 45
-Subparagraph e
-Clause 5
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 43
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6905597&loc=d3e13854-109267

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13777-109266

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=6905597&loc=d3e13816-109267

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141R
-Paragraph 72
-Subparagraph d
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Segment Information (Schedule Of Summarized Financial Information For The Joint Venture Not Consolidated) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Revenues	$ 119,807	$ 130,794
Gross Margin	7,373	16,431
Joint Venture [Member]
Revenues	38,170	34,038
Gross Margin	11,888	14,120
Earnings Before Income Taxes	$ 10,897	$ 13,023

Segment Information (Schedule Of Assets And Liabilities Of the Joint Venture Not Consolidated) (Details) - USD ($) $ in Thousands	Jun. 30, 2011	Mar. 31, 2011
Current Assets	$ 181,004	$ 174,626
Current Liabilities	64,860	70,350
Joint Venture [Member]
Current Assets	45,136	42,541
Non-Current Assets	35,742	33,457
Current Liabilities	$ 14,203	$ 10,296

Commitments And Contingencies (Narrative) (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended
	Jun. 30, 2010	Jun. 30, 2011	Jul. 31, 2010
Commitments And Contingencies
Contingent Liabilities Under Outstanding Letters Of Credit		$ 10.2
Contingent liability for performance bonds required by states municipalities and related agencies		10.1
Notice of deficiency received for taxes and penalties related to IRS audit	$ 71.5
Notice of deficiency received for taxes and penalties including interest	98.7	97.9
Taxes and penalties including interest deposited with IRS	$ 75.0
Taxes And Penalties Amount Refunded From IRS		$ 0.8
Remaining taxes and penalties including interest deposited with IRS			$ 23.7

Commitments And Contingencies (Schedule Of Insurance Accruals And Payments) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Commitments And Contingencies
Accrual Balances at Beginning of Period	$ 6,639	$ 6,384
Insurance Expense Accrued	966	754
Payments	(1,341)	(690)
Accrual Balance at End of Period	$ 6,264	$ 6,448

Fair Value Of Financial Instruments (Schedule Of Fair Value Of Senior Notes) (Details) $ in Thousands	Jun. 30, 2011 USD ($)
Series 2005A Tranche A [Member]
Fair value of Senior Notes	$ 39,758
Series 2005A Tranche B [Member]
Fair value of Senior Notes	82,372
Series 2005A Tranche C [Member]
Fair value of Senior Notes	65,388
Series 2007A Tranche A [Member]
Fair value of Senior Notes	10,284
Series 2007A Tranche B [Member]
Fair value of Senior Notes	12,073
Series 2007A Tranche C [Member]
Fair value of Senior Notes	54,750
Series 2007A Tranche D [Member]
Fair value of Senior Notes	$ 39,603