v3.25.2
Leases - Supplemental Information (Details)
$ in Thousands
 9 Months Ended
Jun. 30, 2025
USD ($)
lease
Jun. 30, 2024
USD ($)
Sep. 30, 2024
USD ($)
lease
Assets:      
Operating lease assets $ 175,382   $ 158,778
Finance lease assets $ 3,255   $ 3,937
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] Property and equipment, net   Property and equipment, net
Total leased assets $ 178,637   $ 162,715
Current      
Operating lease liabilities 18,733   22,210
Finance lease liabilities $ 1,004   $ 934
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List] Long-term debt, current portion   Long-term debt, current portion
Non-current      
Operating lease liabilities $ 168,508   $ 146,831
Finance lease liabilities $ 3,073   $ 3,834
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Long-term debt   Long-term debt
Total lease liabilities $ 191,318   $ 173,809
Number of campus leased | lease 1   1
Finance lease, accumulated amortization $ 2,400   $ 1,700
Weighted-average remaining lease term (in years):      
Operating leases 7 years 4 months 20 days   7 years 1 month 20 days
Finance lease 3 years 6 months 29 days   4 years 3 months 29 days
Weighted average discount rate:      
Operating leases 5.05%   4.87%
Finance lease 6.02%   6.02%
Cash paid for amounts included in the measurement of lease liabilities:      
Operating cash flows from operating leases $ 16,758 $ 15,946  
Financing cash flows from finance leases 692 625  
Non-cash activity related to lease liabilities:      
Lease assets obtained in exchange for new operating lease liabilities $ 34,097 $ 3,981