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
Mar. 31, 2022
Sep. 30, 2021
Debt Instrument [Line Items]    
Total debt $ 752,964 $ 763,710
Finance lease obligations 7,161 9,177
Less current maturities (3,872) (4,624)
Long-term debt 749,092 759,086
2025 Senior Notes    
Debt Instrument [Line Items]    
Total debt 298,065 297,796
Other borrowings    
Debt Instrument [Line Items]    
Total debt 58,522 10,150
Revolving credit facilities | Line of Credit    
Debt Instrument [Line Items]    
Total debt 389,216 350,597
Securitization facility    
Debt Instrument [Line Items]    
Total debt $ 0 $ 95,990