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GOODWILL AND OTHER INTANGIBLE ASSETS - Intangible assets gross carrying amounts and accumulated amortization (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Sep. 30, 2022
--- | --- | ---
GOODWILL AND OTHER INTANGIBLE ASSETS |  |
Goodwill | $ 505,590 | $ 492,709
Less: accumulated amortization | 196,951 | 175,928
Trade names |  |
GOODWILL AND OTHER INTANGIBLE ASSETS |  |
Trade names | 161,952 | 160,024
Customer relationships |  |
GOODWILL AND OTHER INTANGIBLE ASSETS |  |
Gross carrying amount | 298,110 | 287,447
Less: accumulated amortization | 109,186 | 96,921
Net | 188,924 | 190,526
Capitalized software |  |
GOODWILL AND OTHER INTANGIBLE ASSETS |  |
Gross carrying amount | 118,529 | 106,583
Less: accumulated amortization | 77,308 | 70,476
Net | 41,221 | 36,107
Patents |  |
GOODWILL AND OTHER INTANGIBLE ASSETS |  |
Gross carrying amount | 2,433 | 2,353
Less: accumulated amortization | 1,186 | 1,091
Net | 1,247 | 1,262
Other |  |
GOODWILL AND OTHER INTANGIBLE ASSETS |  |
Gross carrying amount | 14,345 | 13,985
Less: accumulated amortization | 9,271 | 7,440
Net | $ 5,074 | $ 6,545

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