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v3.23.1

Business Segments - Financial Information Related to Operations by Segment (Detail) $ in Thousands | 12 Months Ended
--- | ---
Mar. 31, 2023 USD ($) kt | Mar. 31, 2022 USD ($) kt | Mar. 31, 2021 USD ($) kt
Segment Reporting Information [Line Items] |  |  |
Revenue | $ 2,148,069 | $ 1,861,522 | $ 1,622,642
Less: Joint Venture Revenue | (113,518) | (103,899) | (105,191)
Operating Earnings | 674,740 | 552,102 | 445,796
Corporate General and Administrative Expense | (53,630) | (46,801) | (49,511)
Loss on Early Retirement of Senior Notes | 0 | (8,407) | 0
Gain on Sale of Businesses | 0 | 0 | 51,973
Other Nonoperating Income (Loss) | 2,654 | 9,073 | 20,274
Earnings Before Interest and Income Taxes | 623,764 | 505,967 | 468,532
Interest Expense, net | (35,171) | (30,873) | (44,420)
Earnings from Continuing Operations Before Income Taxes | 588,593 | 475,094 | 424,112
Capital Expenditures | 110,143 | 74,121 | 53,933
Depreciation, Depletion, and Amortization | 138,554 | 128,811 | 129,087
Capital Expenditures | 110,143 | 74,121 | 53,933
Capital Expenditures | 0 | 0 | 0
Depreciation and Amortization | 0 | 0 | 221
Segment Assets | 2,781,002 | 2,579,652 | 2,838,681
Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 2,387,337 | 2,070,422 | 1,815,901
Depreciation, Depletion, and Amortization | 138,554 | 128,811 | 128,866
Intersegment Eliminations [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 125,750 | 105,001 | 88,068
Revenue | 125,750 | 105,001 | 88,068
Cement [Member] | Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | $ 1,074,070 | $ 1,007,094 | $ 944,556
Cement Sales Volume | kt | 7,133 | 7,534 | 7,466
Operating Earnings | $ 278,762 | $ 259,556 | $ 233,957
Capital Expenditures | 39,049 | 31,535 | 26,708
Depreciation, Depletion, and Amortization | 81,643 | 79,560 | 77,524
Capital Expenditures | 39,049 | 31,535 | 26,708
Segment Assets | $ 1,905,227 | $ 1,860,649 | $ 1,898,930
Cement [Member] | Operating Segments [Member] | Wholly-Owned [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Cement Sales Volume | kt | 6,399 | 6,711 | 6,576
Operating Earnings | $ 243,288 | $ 227,068 | $ 196,516
Cement [Member] | Operating Segments [Member] | Joint Venture [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Cement Sales Volume | kt | 734 | 823 | 890
Operating Earnings | $ 35,474 | $ 32,488 | $ 37,441
Cement [Member] | Intersegment Eliminations [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 32,915 | 22,915 | 20,862
Concrete and Aggregates [Member] | Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 239,516 | 177,122 | 168,829
Operating Earnings | 18,259 | 18,467 | 19,054
Capital Expenditures | 35,503 | 5,239 | 3,114
Depreciation, Depletion, and Amortization | 17,413 | 9,656 | 10,807
Capital Expenditures | 35,503 | 5,239 | 3,114
Segment Assets | 234,767 | 89,405 | 88,410
Concrete and Aggregates [Member] | Intersegment Eliminations [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 0 | 0 | 106
Gypsum Wallboard [Member] | Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 872,471 | 692,152 | 539,009
Operating Earnings | 352,499 | 261,476 | 167,336
Capital Expenditures | 31,063 | 32,405 | 12,889
Depreciation, Depletion, and Amortization | 21,744 | 22,024 | 21,646
Capital Expenditures | 31,063 | 32,405 | 12,889
Segment Assets | 421,425 | 397,486 | 366,352
Paperboard [Member] | Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 201,280 | 194,054 | 163,507
Operating Earnings | 25,220 | 12,603 | 25,449
Capital Expenditures | 2,898 | 2,579 | 11,222
Depreciation, Depletion, and Amortization | 14,942 | 14,721 | 13,913
Capital Expenditures | 2,898 | 2,579 | 11,222
Segment Assets | 163,797 | 180,025 | 186,156
Paperboard [Member] | Intersegment Eliminations [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 92,835 | 82,086 | 67,100
Corporate and Other [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Depreciation, Depletion, and Amortization | 2,812 | 2,850 | 4,976
Segment Assets | 55,786 | 52,087 | 298,833
Corporate and Other [Member] | Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Capital Expenditures | 1,630 | 2,363 | 0
Capital Expenditures | $ 1,630 | $ 2,363 | $ 0

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