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Schedule of Inventories (Detail) - USD ($) $ in Thousands | Mar. 31, 2023 | Mar. 31, 2022
--- | --- | ---
Inventory [Line Items] |  |
Inventories | $ 291,882 | $ 236,661
Raw Materials and Material-in-Progress [Member] |  |
Inventory [Line Items] |  |
Inventories | 96,880 | 81,308
Finished Cement [Member] |  |
Inventory [Line Items] |  |
Inventories | 46,364 | 38,769
Aggregates [Member] |  |
Inventory [Line Items] |  |
Inventories | 8,309 | 3,558
Gypsum Wallboard [Member] |  |
Inventory [Line Items] |  |
Inventories | 4,244 | 3,452
Paperboard [Member] |  |
Inventory [Line Items] |  |
Inventories | 8,651 | 7,462
Repair Parts and Supplies [Member] |  |
Inventory [Line Items] |  |
Inventories | 112,885 | 91,593
Fuel and Coal [Member] |  |
Inventory [Line Items] |  |
Inventories | $ 14,549 | $ 10,519

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