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Inventory (Details) - USD ($) | Dec. 31, 2023 | Mar. 31, 2023
--- | --- | ---
Inventory [Abstract] |  |
Raw materials | $ 167,612,000 | $ 147,880,000
Work-in-process | 9,872,000 | 7,033,000
Finished goods | 213,239,000 | 201,198,000
Inventory, gross | 390,723,000 | 356,111,000
Less allowance for excess and obsolete inventory | (16,429,000) | (16,436,000)
Inventory - net | 374,294,000 | 339,675,000
Inventory unreturned | 19,483,000 | 16,579,000
Total inventory | $ 393,777,000 | $ 356,254,000

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