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GOODWILL AND OTHER INTANGIBLE ASSETS (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Sep. 30, 2021
--- | --- | ---
GOODWILL AND OTHER INTANGIBLE ASSETS |  |
Goodwill | $ 508,406 | $ 504,853
Less: accumulated amortization | 162,869 | 149,892
Patents |  |
GOODWILL AND OTHER INTANGIBLE ASSETS |  |
Gross carrying amount | 2,208 | 2,131
Less: accumulated amortization | 1,029 | 972
Net | 1,178 | 1,159
Capitalized software |  |
GOODWILL AND OTHER INTANGIBLE ASSETS |  |
Gross carrying amount | 98,398 | 93,671
Less: accumulated amortization | 67,013 | 63,740
Net | 31,385 | 29,931
Customer relationships |  |
GOODWILL AND OTHER INTANGIBLE ASSETS |  |
Gross carrying amount | 292,887 | 288,530
Less: accumulated amortization | 88,933 | 80,882
Net | 203,954 | 207,648
Other |  |
GOODWILL AND OTHER INTANGIBLE ASSETS |  |
Gross carrying amount | 14,567 | 13,080
Less: accumulated amortization | 5,897 | 4,301
Net | 8,670 | 8,779
Trade names |  |
GOODWILL AND OTHER INTANGIBLE ASSETS |  |
Trade names | $ 162,016 | $ 161,733

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- Definition Gross carrying amount before accumulated amortization as of the balance sheet date of the costs pertaining to the exclusive legal rights granted to the owner of the patent to exploit an invention or a process for a period of time specified by law. Such costs may have been expended to directly apply and receive patent rights, or to acquire such rights. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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