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ACQUISITION (Details) - USD ($) $ in Thousands |  | 6 Months Ended |
--- | --- | --- | ---
Nov. 09, 2023 | Mar. 31, 2024 | Mar. 31, 2023 | Sep. 30, 2023
ACQUISITION |  |  |  |
Payments to acquire businesses net of cash acquired |  | $ 56,179 | $ 17,901 |
Goodwill |  | 30,300 |  |
Goodwill |  | $ 535,661 |  | $ 503,177
MPE Limited (MPE) |  |  |  |
ACQUISITION |  |  |  |
Payments to acquire businesses net of cash acquired | $ 56,200 |  |  |
Fair value of accounts receivable acquired | 400 |  |  |
Fair value of inventory acquired | 1,100 |  |  |
Fair value of property, plant and equipment acquired | 1,700 |  |  |
Fair value of accounts payable and accrued expenses acquired | 700 |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities | 7,800 |  |  |
Business combination recognized identifiable assets acquired and liabilities assumed finite-lived intangibles | 29,100 |  |  |
Customer Relationships | MPE Limited (MPE) |  |  |  |
ACQUISITION |  |  |  |
Fair value of identifiable intangible assets acquired | $ 31,100 |  |  |

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