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Schedule of Inventories (Detail) - USD ($) $ in Thousands | Jun. 30, 2022 | Mar. 31, 2022
--- | --- | ---
Inventory [Line Items] |  |
Inventories | $ 233,543 | $ 236,661
Raw Materials and Material-in-Progress [Member] |  |
Inventory [Line Items] |  |
Inventories | 77,652 | 81,308
Finished Cement [Member] |  |
Inventory [Line Items] |  |
Inventories | 34,653 | 38,769
Aggregates [Member] |  |
Inventory [Line Items] |  |
Inventories | 7,436 | 3,558
Gypsum Wallboard [Member] |  |
Inventory [Line Items] |  |
Inventories | 3,665 | 3,452
Paperboard [Member] |  |
Inventory [Line Items] |  |
Inventories | 5,051 | 7,462
Repair Parts and Supplies [Member] |  |
Inventory [Line Items] |  |
Inventories | 92,123 | 91,593
Fuel and Coal [Member] |  |
Inventory [Line Items] |  |
Inventories | $ 12,963 | $ 10,519

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