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CONCENTRATION OF BUSINESS (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Mar. 31, 2024
Concentration Risk [Line Items] |  |  |  |  |
Net sales | $ 1,311,320 | $ 1,091,907 | $ 2,136,667 | $ 1,767,698 |
Long-lived assets | $ 319,580 |  | $ 319,580 |  | $ 302,122
Sales Revenue, Net | Customer Concentration Risk | 10 Largest Customers |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Concentration risk | 32.50% | 33.60% | 27.60% | 27.90% |
Trade Accounts Receivable | Customer Concentration Risk | One Customer |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Concentration risk |  |  | 12.10% |  |
Trade Accounts Receivable | Customer Concentration Risk | Two Customers |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Concentration risk |  |  |  |  | 31.20%
Foreign |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Long-lived assets | $ 36,708 |  | $ 36,708 |  | $ 31,561
Foreign | International net sales |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Net sales | 457,410 | $ 343,874 | 766,901 | $ 600,130 |
Foreign | Net sales in foreign currencies |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Net sales | $ 375,182 | $ 292,344 | $ 552,806 | $ 441,315 |
Foreign | Sales Revenue, Net | International net sales |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Concentration risk | 34.90% | 31.50% | 35.90% | 33.90% |
Foreign | Sales Revenue, Net | Net sales in foreign currencies |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Concentration risk | 28.60% | 26.80% | 25.90% | 25.00% |
United States |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Long-lived assets | $ 282,872 |  | $ 282,872 |  | $ 270,561

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