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v3.23.3

LEASES - Lease Cost (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2021
Lease, Cost [Abstract] |  |  |
Amortization of ROU assets | $ 2,791 | $ 3,816 | $ 4,016
Interest on lease liabilities | 248 | 205 | 248
Operating lease cost | 21,546 | 21,675 | 21,716
Variable lease cost | 10,601 | 10,486 | 6,752
Sublease income | (89) | (279) | (83)
Total lease cost | 35,097 | 35,903 | 32,649
Cash paid for finance and operating lease liabilities: |  |  |
Operating cash flows from finance leases | 259 | 211 | 255
Operating cash flows from operating leases | 27,194 | 27,648 | 28,246
Financing cash flows from finance leases | 2,642 | 3,691 | 4,134
ROU assets obtained in exchange for new finance lease liabilities | 4,745 | 1,516 | 3,687
ROU assets obtained in exchange for new operating lease liabilities | $ 8,294 | $ 10,365 | $ 16,341
Weighted Average Remaining Lease Term [Abstract] |  |  |
Weighted-average remaining lease term - finance leases (years) | 4 years 5 months 19 days | 4 years 3 months 10 days | 3 years 10 months 6 days
Weighted-average remaining lease term - operating leases (years) | 3 years 6 months 7 days | 3 years 7 months 13 days | 3 years 9 months 25 days
Weighted Average Discount Rate [Abstract] |  |  |
Weighted-discount rate - finance leases | 4.48% | 3.08% | 2.70%
Weighted-discount rate - operating leases | 3.47% | 2.45% | 2.28%

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- Definition Amount of interest expense on finance lease liability. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 53 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479589/842-20-55-53 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479041/842-20-45-4 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-4 + Details
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