Debt (Details) - USD ($) $ in Millions |
Dec. 31, 2022 |
Sep. 30, 2022 |
|||||
---|---|---|---|---|---|---|---|
Debt Instrument [Line Items] | |||||||
Total long-term debt, including current maturities | $ 1,505.0 | $ 1,405.0 | |||||
Long-term debt | 1,492.0 | 1,391.4 | |||||
Notes payable | 25.2 | 19.0 | |||||
Unamortized debt issuance costs | 13.0 | [1] | 13.6 | ||||
Senior notes | Senior Notes, Due 2028 | |||||||
Debt Instrument [Line Items] | |||||||
Total long-term debt, including current maturities | 750.0 | 750.0 | |||||
Unamortized debt issuance costs | 8.0 | 8.3 | |||||
Senior notes | Senior Notes, Due 2029 | |||||||
Debt Instrument [Line Items] | |||||||
Total long-term debt, including current maturities | 500.0 | 500.0 | |||||
Unamortized debt issuance costs | 5.0 | 5.3 | |||||
Revolving credit facility | |||||||
Debt Instrument [Line Items] | |||||||
Total long-term debt, including current maturities | $ 255.0 | [2] | $ 155.0 | ||||
|