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Leases - Schedule of Additional Balance Sheet Information Related to Leases (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2023
--- | --- | --- | ---
Assets: |  |  |
Operating lease assets | $ 463,479 | $ 432,166 |
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] | Operating lease assets | Operating lease assets |
Finance lease assets | $ 74,400 | $ 62,100 |
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] | Property, Plant and Equipment, Net | Property, Plant and Equipment, Net |
Total lease assets | $ 537,900 | $ 494,300 |
Current: |  |  |
Operating lease liabilities | $ 132,400 | $ 135,100 |
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] | Accrued Liabilities, Current | Accrued Liabilities, Current |
Finance lease liabilities | $ 31,900 | $ 25,500 |
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] | Long-Term Debt and Lease Obligation, Current | Long-Term Debt and Lease Obligation, Current |
Total current lease liabilities | $ 164,300 | $ 160,600 |
Non-current: |  |  |
Operating lease liabilities | $ 515,998 | $ 510,573 |
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] | Operating lease liabilities | Operating lease liabilities |
Finance lease liabilities | $ 44,300 | $ 35,700 |
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] | Long-term debt | Long-term debt |
Total non-current lease liabilities | $ 560,300 | $ 546,300 |
Weighted average remaining lease term (in years): |  |  |
Operating leases (in years) | 6 years 1 month 6 days | 6 years 2 months 12 days | 6 years 4 months 24 days
Finance leases (in years) | 2 years 8 months 12 days | 2 years 7 months 6 days | 2 years 10 months 24 days
Weighted average discount rates: |  |  |
Operating leases (as percent) | 5.20% | 5.10% | 4.30%
Finance leases (as percent) | 4.80% | 4.40% | 4.10%

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