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Inventory - Net (Details) - USD ($) | Sep. 30, 2024 | Mar. 31, 2024
--- | --- | ---
Inventory - net [Abstract] |  |
Raw materials | $ 158,702,000 | $ 158,819,000
Work-in-process | 9,954,000 | 7,943,000
Finished goods | 210,861,000 | 227,650,000
Inventory, gross | 379,517,000 | 394,412,000
Less allowance for excess and obsolete inventory | (17,790,000) | (17,372,000)
Inventory | 361,727,000 | 377,040,000
Inventory unreturned | 17,049,000 | 20,288,000
Total Inventory - net | $ 378,776,000 | $ 397,328,000

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