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Debt (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Sep. 30, 2021
--- | --- | ---
Debt |  |
Total debt | $ 2,230,900 | $ 2,235,600
Less: Current portion of debt and short-term borrowings | (42,800) | (53,800)
Less: Unamortized debt issuance costs | (21,800) | (24,100)
Long-term debt | 2,166,310 | 2,157,740
Credit Agreement |  |
Debt |  |
Total debt | 1,152,200 | 1,155,300
2027 Senior Notes |  |
Debt |  |
Total debt | 997,300 | 997,300
Other Debt |  |
Debt |  |
Total debt | $ 81,400 | $ 83,000

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