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GOODWILL AND OTHER INTANGIBLE ASSETS - Other Intangible Assets (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Sep. 30, 2021
--- | --- | ---
Other Intangible Assets [Abstract] |  |
Carrying Amount | $ 582,539 | $ 591,690
Accumulated Amortization | (380,385) | (330,148)
Net | 202,154 | 261,542
Indefinite-lived trade names |  |
Other Intangible Assets [Abstract] |  |
Carrying Amount | 30,540 | 30,540
Net | 30,540 | 30,540
Definite-lived trade names |  |
Other Intangible Assets [Abstract] |  |
Carrying Amount | 150,528 | 148,867
Accumulated Amortization | (117,572) | (104,211)
Net | 32,956 | 44,656
Customer relationships |  |
Other Intangible Assets [Abstract] |  |
Carrying Amount | 380,593 | 388,699
Accumulated Amortization | (248,464) | (210,361)
Net | 132,129 | 178,338
Copyrights/patents/other |  |
Other Intangible Assets [Abstract] |  |
Carrying Amount | 20,878 | 23,584
Accumulated Amortization | (14,349) | (15,576)
Net | $ 6,529 | $ 8,008

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