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v3.10.0.1

Financial Information Related to Operations by Segment (Detail) $ in Thousands | 3 Months Ended |
--- | --- | ---
Jun. 30, 2018 USD ($) kT | Jun. 30, 2017 USD ($) kT | Mar. 31, 2018 USD ($)
Segment Reporting Information [Line Items] |  |  |
Revenue | $ 393,756 | $ 366,121 |
Less: Joint Venture Revenue | (27,264) | (28,170) |
Operating Earnings | 100,885 | 95,935 |
Corporate General and Administrative Expense | (8,003) | (9,679) |
Litigation Settlements and Losses | (1,800) |  |
Other Non-Operating Income | 571 | 757 |
Earnings Before Interest and Income Taxes | 91,653 | 87,013 |
Interest Expense, Net | (6,632) | (7,483) |
Earnings before Income Taxes | 85,021 | 79,530 |
Capital Expenditures | 53,073 | 16,160 |
Depreciation, Depletion and Amortization | 29,850 | 28,947 |
Identifiable Assets | 2,426,975 |  | $ 2,368,003
Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 442,876 | 416,990 |
Intersegment Eliminations [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | (21,856) | (22,699) |
Other [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating Earnings | 284 |  |
Capital Expenditures | 340 | 45 |
Identifiable Assets | 164,817 |  | 104,367
Cement [Member] | Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | $ 186,788 | $ 182,935 |
Cement Sales Volume | kT | 1,511 | 1,511 |
Operating Earnings | $ 37,334 | $ 43,181 |
Capital Expenditures | 19,613 | 7,718 |
Depreciation, Depletion and Amortization | 12,921 | $ 12,479 |
Identifiable Assets | $ 1,225,783 |  | 1,247,504
Cement [Member] | Operating Segments [Member] | Wholly-Owned [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Cement Sales Volume | kT | 1,275 | 1,268 |
Operating Earnings | $ 28,083 | $ 33,305 |
Cement [Member] | Operating Segments [Member] | Joint Venture [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Cement Sales Volume | kT | 236 | 243 |
Operating Earnings | $ 9,251 | $ 9,876 |
Cement [Member] | Intersegment Eliminations [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | (4,178) | (4,929) |
Concrete and Aggregates [Member] | Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 40,840 | 43,919 |
Operating Earnings | 5,484 | 6,021 |
Capital Expenditures | 2,064 | 1,412 |
Depreciation, Depletion and Amortization | 2,053 | 1,914 |
Identifiable Assets | 109,641 |  | 104,851
Concrete and Aggregates [Member] | Intersegment Eliminations [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | (331) | (413) |
Gypsum Wallboard [Member] | Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 142,415 | 126,813 |
Operating Earnings | 50,480 | 43,821 |
Capital Expenditures | 2,355 | 5,642 |
Depreciation, Depletion and Amortization | 4,830 | 4,442 |
Identifiable Assets | 386,094 |  | 386,041
Paperboard [Member] | Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 45,133 | 44,413 |
Operating Earnings | 9,994 | 4,938 |
Capital Expenditures | 1,065 | 764 |
Depreciation, Depletion and Amortization | 2,109 | 2,137 |
Identifiable Assets | 120,565 |  | 123,819
Paperboard [Member] | Intersegment Eliminations [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | (17,347) | (17,357) |
Oil and Gas Proppants [Member] | Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 21,758 | 18,910 |
Operating Earnings | (2,691) | (2,026) |
Capital Expenditures | 27,636 | 579 |
Depreciation, Depletion and Amortization | 7,139 | 7,606 |
Identifiable Assets | 420,075 |  | $ 401,421
Other [Member] | Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 5,942 |  |
Corporate and Other [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Depreciation, Depletion and Amortization | $ 798 | $ 369 |

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