Financial Information Related to Operations by Segment (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 12 Months Ended | |||||||||
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Mar. 31, 2014
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Dec. 31, 2013
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Sep. 30, 2013
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Jun. 30, 2013
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Mar. 31, 2013
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Dec. 31, 2012
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Sep. 30, 2012
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Jun. 30, 2012
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Mar. 31, 2014
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Mar. 31, 2013
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Mar. 31, 2012
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Segment Reporting Information [Line Items] | |||||||||||
Net Revenues | $ 898,396 | $ 642,562 | $ 495,023 | ||||||||
Operating Earnings | 224,638 | 134,520 | 69,361 | ||||||||
Corporate General and Administrative | (24,552) | (23,918) | (19,617) | ||||||||
Capital Expenditures | 59,490 | 53,011 | 26,099 | ||||||||
Other Corporate Charges | (10,683) | (9,117) | |||||||||
Depreciation, Depletion and Amortization | 70,021 | 56,850 | 50,124 | ||||||||
Earnings Before Interest and Income Taxes | 200,086 | 99,919 | 40,627 | ||||||||
Identifiable Assets | 1,511,529 | 1,476,233 | 1,511,529 | 1,476,233 | 985,145 | ||||||
Loss on Debt Retirement | (2,094) | ||||||||||
Interest Expense, net | (18,282) | (15,823) | (16,621) | ||||||||
Earnings Before Income Taxes | 29,767 | 48,833 | 58,688 | 44,516 | 10,756 | 27,301 | 26,125 | 19,914 | 181,804 | 84,096 | 21,912 |
Joint Venture [Member]
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Segment Reporting Information [Line Items] | |||||||||||
Net Revenues | 111,393 | 96,322 | 86,140 | ||||||||
Cement [Member]
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Segment Reporting Information [Line Items] | |||||||||||
Cement Sales Volume | 4,593,000 | 3,303,000 | 2,723,000 | ||||||||
Operating Earnings | 89,486 | 46,228 | 46,850 | ||||||||
Identifiable Assets | 762,578 | 756,158 | 762,578 | 756,158 | 313,559 | ||||||
Cement [Member] | Joint Venture [Member]
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Segment Reporting Information [Line Items] | |||||||||||
Cement Sales Volume | 1,013,000 | 913,000 | 866,000 | ||||||||
Operating Earnings | 37,811 | 32,507 | 28,528 | ||||||||
Cement [Member] | Wholly-Owned [Member]
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Segment Reporting Information [Line Items] | |||||||||||
Cement Sales Volume | 3,580,000 | 2,390,000 | 1,857,000 | ||||||||
Operating Earnings | 51,675 | 13,721 | 18,322 | ||||||||
Gypsum Wallboard [Member]
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Segment Reporting Information [Line Items] | |||||||||||
Identifiable Assets | 412,566 | 425,866 | 412,566 | 425,866 | 434,967 | ||||||
Paperboard [Member]
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Segment Reporting Information [Line Items] | |||||||||||
Identifiable Assets | 125,045 | 129,226 | 125,045 | 129,226 | 137,483 | ||||||
Other Segments [Member]
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Segment Reporting Information [Line Items] | |||||||||||
Identifiable Assets | 31,777 | 29,000 | 31,777 | 29,000 | 38,096 | ||||||
Aggregates [Member]
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Segment Reporting Information [Line Items] | |||||||||||
Identifiable Assets | 152,728 | 108,796 | 152,728 | 108,796 | 49,009 | ||||||
Concrete [Member]
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Segment Reporting Information [Line Items] | |||||||||||
Identifiable Assets | 26,835 | 27,187 | 26,835 | 27,187 | 12,031 | ||||||
Operating Segments [Member]
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Segment Reporting Information [Line Items] | |||||||||||
Net Revenues | 1,071,883 | 788,871 | 625,920 | ||||||||
Operating Segments [Member] | Cement [Member]
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Segment Reporting Information [Line Items] | |||||||||||
Net Revenues | 438,224 | 304,125 | 243,978 | ||||||||
Operating Earnings | 89,486 | 46,228 | 46,850 | ||||||||
Capital Expenditures | 12,226 | 15,583 | 7,753 | ||||||||
Depreciation, Depletion and Amortization | 31,829 | 20,658 | 15,373 | ||||||||
Operating Segments [Member] | Gypsum Wallboard [Member]
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Segment Reporting Information [Line Items] | |||||||||||
Net Revenues | 387,016 | 306,529 | 217,633 | ||||||||
Operating Earnings | 114,852 | 69,712 | 6,264 | ||||||||
Capital Expenditures | 4,825 | 2,682 | 3,357 | ||||||||
Depreciation, Depletion and Amortization | 20,981 | 21,045 | 20,903 | ||||||||
Operating Segments [Member] | Paperboard [Member]
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Segment Reporting Information [Line Items] | |||||||||||
Net Revenues | 130,178 | 121,930 | 118,794 | ||||||||
Operating Earnings | 23,610 | 25,200 | 16,988 | ||||||||
Capital Expenditures | 3,354 | 804 | 919 | ||||||||
Depreciation, Depletion and Amortization | 8,716 | 8,824 | 8,595 | ||||||||
Operating Segments [Member] | Concrete and Aggregates [Member]
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Segment Reporting Information [Line Items] | |||||||||||
Net Revenues | 116,465 | 56,287 | 45,515 | ||||||||
Operating Earnings | (4,678) | (5,388) | (1,097) | ||||||||
Operating Segments [Member] | Aggregates [Member]
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Segment Reporting Information [Line Items] | |||||||||||
Capital Expenditures | 34,719 | 33,829 | 13,639 | ||||||||
Depreciation, Depletion and Amortization | 5,119 | 3,820 | 3,365 | ||||||||
Operating Segments [Member] | Concrete [Member]
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Segment Reporting Information [Line Items] | |||||||||||
Capital Expenditures | 4,117 | 103 | 321 | ||||||||
Depreciation, Depletion and Amortization | 1,793 | 1,392 | 1,022 | ||||||||
Operating Segments [Member] | Corporate and Other [Member]
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Segment Reporting Information [Line Items] | |||||||||||
Depreciation, Depletion and Amortization | 1,583 | 1,111 | 866 | ||||||||
Intersegment Eliminations [Member]
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Segment Reporting Information [Line Items] | |||||||||||
Net Revenues | 62,094 | 49,987 | 44,757 | ||||||||
Intersegment Eliminations [Member] | Cement [Member]
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Segment Reporting Information [Line Items] | |||||||||||
Net Revenues | 8,952 | 2,850 | 3,605 | ||||||||
Intersegment Eliminations [Member] | Paperboard [Member]
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Segment Reporting Information [Line Items] | |||||||||||
Net Revenues | 52,119 | 46,393 | 40,485 | ||||||||
Intersegment Eliminations [Member] | Concrete and Aggregates [Member]
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Segment Reporting Information [Line Items] | |||||||||||
Net Revenues | 1,023 | 744 | 667 | ||||||||
Segment Reconciling Items [Member] | Other Segments [Member]
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Segment Reporting Information [Line Items] | |||||||||||
Operating Earnings | 1,368 | (1,232) | 356 | ||||||||
Corporate, Non-Segment [Member] | Other Segments [Member]
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Segment Reporting Information [Line Items] | |||||||||||
Capital Expenditures | $ 249 | $ 10 | $ 110 |