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GOODWILL AND OTHER INTANGIBLE ASSETS (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Sep. 30, 2018
--- | --- | ---
GOODWILL AND OTHER INTANGIBLE ASSETS |  |
Goodwill | $ 381,683 | $ 381,652
Less: accumulated amortization | 106,239 | 92,274
Patents |  |
GOODWILL AND OTHER INTANGIBLE ASSETS |  |
Gross carrying amount | 1,880 | 1,833
Less: accumulated amortization | 873 | 791
Net | 1,007 | 1,042
Capitalized software |  |
GOODWILL AND OTHER INTANGIBLE ASSETS |  |
Gross carrying amount | 77,502 | 71,294
Less: accumulated amortization | 47,206 | 41,624
Net | 30,296 | 29,670
Customer relationships |  |
GOODWILL AND OTHER INTANGIBLE ASSETS |  |
Gross carrying amount | 185,135 | 185,333
Less: accumulated amortization | 55,641 | 47,802
Net | 129,494 | 137,531
Other |  |
GOODWILL AND OTHER INTANGIBLE ASSETS |  |
Gross carrying amount | 5,382 | 5,468
Less: accumulated amortization | 2,518 | 2,056
Net | 2,864 | 3,412
Trade names |  |
GOODWILL AND OTHER INTANGIBLE ASSETS |  |
Trade names | $ 172,964 | $ 173,698

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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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