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Inventory - Net - Inventory - Net (Details) - USD ($) | Sep. 30, 2025 | Mar. 31, 2025
--- | --- | ---
Inventory — net |  |
Raw materials | $ 154,168,000 | $ 150,274,000
Work-in-process | 9,607,000 | 7,821,000
Finished goods | 209,538,000 | 202,078,000
Inventory, gross | 373,313,000 | 360,173,000
Less allowance for excess and obsolete inventory | (19,019,000) | (18,964,000)
Inventory | 354,294,000 | 341,209,000
Inventory unreturned | 18,296,000 | 18,460,000
Total inventory — net | $ 372,590,000 | $ 359,669,000

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