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v3.19.1

Financial Information Related to Operations by Segment (Detail) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Sep. 30, 2018 USD ($) | Jun. 30, 2018 USD ($) | Mar. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Sep. 30, 2017 USD ($) | Jun. 30, 2017 USD ($) | Mar. 31, 2019 USD ($) kT | Mar. 31, 2018 USD ($) kT | Mar. 31, 2017 USD ($) kT
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue | $ 284,701,000 | $ 333,285,000 | $ 381,499,000 | $ 393,756,000 | $ 284,713,000 | $ 359,371,000 | $ 376,315,000 | $ 366,121,000 | $ 1,393,241,000 | $ 1,386,520,000 | $ 1,211,220,000
Less: Joint Venture Revenue |  |  |  |  |  |  |  |  | (104,493,000) | (105,884,000) | (105,916,000)
Operating Earnings |  |  |  |  |  |  |  |  | 365,133,000 | 382,175,000 | 354,431,000
Corporate General and Administrative Expense |  |  |  |  |  |  |  |  | (37,371,000) | (41,205,000) | (33,940,000)
Impairment Losses |  |  |  |  |  |  |  |  | (220,265,000) | 0 | 0
Litigation Settlements and Losses |  |  |  |  |  |  |  |  | (1,800,000) | (45,098,000) |
Other Non-Operating Income |  |  |  |  |  |  |  |  | 2,412,000 | 3,728,000 | 2,139,000
Acquisition and Litigation Expense |  |  |  |  |  |  |  |  |  |  | (5,480,000)
Earnings Before Interest and Income Taxes |  |  |  |  |  |  |  |  | 108,109,000 | 299,600,000 | 317,150,000
Interest Expense, Net |  |  |  |  |  |  |  |  | (28,374,000) | (27,638,000) | (22,631,000)
Earnings Before Income Taxes | (171,597,000) | $ 74,518,000 | $ 91,793,000 | $ 85,021,000 | 48,725,000 | $ 51,388,000 | $ 92,319,000 | $ 79,530,000 | 79,735,000 | 271,962,000 | 294,519,000
Capital Expenditures |  |  |  |  |  |  |  |  | 168,873,000 | 131,957,000 | 56,938,000
Depreciation, Depletion and Amortization |  |  |  |  |  |  |  |  | 122,535,000 | 114,015,000 | 91,791,000
Identifiable Assets | 2,169,163,000 |  |  |  | 2,368,003,000 |  |  |  | 2,169,163,000 | 2,368,003,000 | 2,247,124,000
Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 1,580,287,000 | 1,580,528,000 | 1,396,252,000
Intersegment Eliminations [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | (82,553,000) | (88,124,000) | (79,116,000)
Other [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Capital Expenditures |  |  |  |  |  |  |  |  | 6,107,000 | 461,000 | 697,000
Identifiable Assets | 37,434,000 |  |  |  | 60,962,000 |  |  |  | 37,434,000 | 60,962,000 | 22,018,000
Cement [Member] | Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | $ 656,759,000 | $ 651,750,000 | $ 566,321,000
Cement Sales Volume | kT |  |  |  |  |  |  |  |  | 5,340 | 5,365 | 4,871
Operating Earnings |  |  |  |  |  |  |  |  | $ 164,782,000 | $ 179,151,000 | $ 153,525,000
Capital Expenditures |  |  |  |  |  |  |  |  | 76,504,000 | 45,088,000 | 32,790,000
Depreciation, Depletion and Amortization |  |  |  |  |  |  |  |  | 52,802,000 | 50,891,000 | 36,727,000
Identifiable Assets | 1,289,468,000 |  |  |  | 1,247,504,000 |  |  |  | $ 1,289,468,000 | $ 1,247,504,000 | $ 1,234,617,000
Cement [Member] | Operating Segments [Member] | Wholly-Owned [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cement Sales Volume | kT |  |  |  |  |  |  |  |  | 4,441 | 4,453 | 3,934
Operating Earnings |  |  |  |  |  |  |  |  | $ 126,217,000 | $ 135,732,000 | $ 111,139,000
Cement [Member] | Operating Segments [Member] | Joint Venture [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cement Sales Volume | kT |  |  |  |  |  |  |  |  | 899 | 912 | 937
Operating Earnings |  |  |  |  |  |  |  |  | $ 38,565,000 | $ 43,419,000 | $ 42,386,000
Cement [Member] | Intersegment Eliminations [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | (14,408,000) | (16,442,000) | (15,781,000)
Concrete and Aggregates [Member] | Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 140,173,000 | 157,013,000 | 154,592,000
Operating Earnings |  |  |  |  |  |  |  |  | 12,866,000 | 17,854,000 | 18,072,000
Capital Expenditures |  |  |  |  |  |  |  |  | 6,649,000 | 4,977,000 | 6,528,000
Depreciation, Depletion and Amortization |  |  |  |  |  |  |  |  | 8,176,000 | 7,931,000 | 7,931,000
Identifiable Assets | 95,084,000 |  |  |  | 104,851,000 |  |  |  | 95,084,000 | 104,851,000 | 110,413,000
Concrete and Aggregates [Member] | Intersegment Eliminations [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | (1,422,000) | (1,335,000) | (1,262,000)
Gypsum Wallboard [Member] | Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 532,712,000 | 491,779,000 | 473,651,000
Operating Earnings |  |  |  |  |  |  |  |  | 180,831,000 | 158,551,000 | 159,866,000
Capital Expenditures |  |  |  |  |  |  |  |  | 10,724,000 | 19,382,000 | 11,393,000
Depreciation, Depletion and Amortization |  |  |  |  |  |  |  |  | 20,020,000 | 18,179,000 | 18,728,000
Identifiable Assets | 372,206,000 |  |  |  | 386,041,000 |  |  |  | 372,206,000 | 386,041,000 | 379,414,000
Paperboard [Member] | Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 167,656,000 | 181,742,000 | 167,065,000
Operating Earnings |  |  |  |  |  |  |  |  | 35,349,000 | 32,758,000 | 37,601,000
Capital Expenditures |  |  |  |  |  |  |  |  | 16,603,000 | 5,177,000 | 3,996,000
Depreciation, Depletion and Amortization |  |  |  |  |  |  |  |  | 8,541,000 | 8,694,000 | 8,425,000
Identifiable Assets | 138,614,000 |  |  |  | 123,819,000 |  |  |  | 138,614,000 | 123,819,000 | 124,356,000
Paperboard [Member] | Intersegment Eliminations [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | (66,723,000) | (70,347,000) | (62,073,000)
Oil and Gas Proppants [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Impairment Losses | (220,300,000) |  |  |  |  |  |  |  |  |  |
Oil and Gas Proppants [Member] | Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 82,987,000 | 98,244,000 | 34,623,000
Operating Earnings |  |  |  |  |  |  |  |  | (28,695,000) | (6,139,000) | (14,633,000)
Capital Expenditures |  |  |  |  |  |  |  |  | 52,286,000 | 56,872,000 | 1,534,000
Depreciation, Depletion and Amortization |  |  |  |  |  |  |  |  | 31,328,000 | 26,872,000 | 18,255,000
Identifiable Assets | $ 236,357,000 |  |  |  | $ 444,826,000 |  |  |  | 236,357,000 | 444,826,000 | 376,306,000
Corporate and Other [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Depreciation, Depletion and Amortization |  |  |  |  |  |  |  |  | $ 1,668,000 | $ 1,448,000 | $ 1,725,000

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