Quarterly report pursuant to Section 13 or 15(d)

Debt and Financing Arrangements - Long-Term Debt (Details)

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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