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Schedule of Inventories (Detail) - USD ($) $ in Thousands | Dec. 31, 2022 | Mar. 31, 2022
--- | --- | ---
Inventory [Line Items] |  |
Inventories | $ 247,155 | $ 236,661
Raw Materials and Material-in-Progress [Member] |  |
Inventory [Line Items] |  |
Inventories | 72,114 | 81,308
Finished Cement [Member] |  |
Inventory [Line Items] |  |
Inventories | 35,617 | 38,769
Aggregates [Member] |  |
Inventory [Line Items] |  |
Inventories | 7,329 | 3,558
Gypsum Wallboard [Member] |  |
Inventory [Line Items] |  |
Inventories | 6,778 | 3,452
Paperboard [Member] |  |
Inventory [Line Items] |  |
Inventories | 8,091 | 7,462
Repair Parts and Supplies [Member] |  |
Inventory [Line Items] |  |
Inventories | 106,426 | 91,593
Fuel and Coal [Member] |  |
Inventory [Line Items] |  |
Inventories | $ 10,800 | $ 10,519

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