Annual report pursuant to Section 13 and 15(d)

LEASES - Lease Cost (Details)

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%