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SUPPLEMENTAL CASH FLOW INFORMATION (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2023
Current assets: |  |  |
Accounts receivable | $ 6,010 | $ 5,621 | $ 26,457
Inventories | 11,689 | 27,019 | (23,990)
Contract assets | (25,806) | (15,304) | (23,465)
Other current assets | 18,153 | 8,483 | (3,259)
Total change in current assets | 10,046 | 25,819 | (24,257)
Current liabilities: |  |  |
Trade accounts payable | 2,963 | (6,492) | (9,215)
Accrued compensation | (43,119) | 27,597 | (648)
Accrued income taxes | (7,405) | (4,834) | 3,343
Accrued rebates | (2,379) | 144 | 296
Contract liabilities | (20,663) | (9,426) | 4,971
Other current liabilities | 15,163 | (18,112) | (9,993)
Total change in current liabilities | (55,440) | (11,123) | (11,246)
Net change | $ (45,394) | $ 14,696 | $ (35,503)

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