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Debt and Financing Arrangements - Long-Term Debt (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Sep. 30, 2023
--- | --- | ---
Debt Instrument [Line Items] |  |
Total debt | $ 862,371 | $ 790,180
Finance lease obligations | $ 14,548 | $ 9,271
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration] | Long-term debt | Long-term debt
Less current maturities | $ (4,948) | $ (3,696)
Long-term debt | 857,423 | 786,484
2025 Senior Notes |  |
Debt Instrument [Line Items] |  |
Total debt | 298,635 | 298,500
Other borrowings |  |
Debt Instrument [Line Items] |  |
Total debt | 28,117 | 19,241
Revolving credit facilities | Line of Credit |  |
Debt Instrument [Line Items] |  |
Total debt | $ 521,071 | $ 463,168

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