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GOODWILL AND OTHER INTANGIBLE ASSETS - Intangible assets gross carrying amounts and accumulated amortization from continuing operations (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Sep. 30, 2024
--- | --- | ---
GOODWILL AND OTHER INTANGIBLE ASSETS |  |
Goodwill | $ 532,312 | $ 539,899
Less: accumulated amortization | 245,595 | 237,686
Patents |  |
GOODWILL AND OTHER INTANGIBLE ASSETS |  |
Gross carrying amount | 2,635 | 2,638
Less: accumulated amortization | 1,467 | 1,415
Net | 1,168 | 1,223
Capitalized software |  |
GOODWILL AND OTHER INTANGIBLE ASSETS |  |
Gross carrying amount | 136,634 | 134,119
Less: accumulated amortization | 95,844 | 92,878
Net | 40,790 | 41,241
Customer relationships |  |
GOODWILL AND OTHER INTANGIBLE ASSETS |  |
Gross carrying amount | 326,027 | 330,328
Less: accumulated amortization | 136,922 | 132,135
Net | 189,105 | 198,193
Other |  |
GOODWILL AND OTHER INTANGIBLE ASSETS |  |
Gross carrying amount | 14,917 | 15,182
Less: accumulated amortization | 11,361 | 11,173
Net | 3,556 | 4,009
Trade names |  |
GOODWILL AND OTHER INTANGIBLE ASSETS |  |
Trade names | $ 161,683 | $ 162,936

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