Annual report [Section 13 and 15(d), not S-K Item 405]

LEASES - Lease Cost (Details)

v3.25.3
LEASES - Lease Cost (Details) - USD ($)
$ in Thousands
 12 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2023
Lease, Cost [Abstract]      
Amortization of ROU assets $ 7,035 $ 5,104 $ 2,791
Interest on lease liabilities 1,159 808 248
Operating lease cost 24,371 21,463 21,546
Variable lease cost 8,518 10,960 10,601
Sublease income (185) (273) (89)
Total lease cost 40,898 38,062 35,097
Cash paid for finance and operating lease liabilities:      
Operating cash flows from finance leases 1,159 824 259
Operating cash flows from operating leases 26,609 28,121 27,194
Financing cash flows from finance leases 7,051 5,055 2,642
ROU assets obtained in exchange for new finance lease liabilities 7,521 17,720 4,745
ROU assets obtained in exchange for new operating lease liabilities $ 23,475 $ 7,577 $ 8,294
Weighted Average Remaining Lease Term [Abstract]      
Weighted-average remaining lease term - finance leases (years) 3 years 2 months 15 days 3 years 9 months 4 years 5 months 19 days
Weighted-average remaining lease term - operating leases (years) 3 years 4 months 24 days 3 years 1 month 13 days 3 years 6 months 7 days
Weighted Average Discount Rate [Abstract]      
Weighted-discount rate - finance leases 5.27% 5.33% 4.48%
Weighted-discount rate - operating leases 4.48% 4.19% 3.47%