Debt (Details) - USD ($)		Sep. 30, 2024	Apr. 02, 2024	Sep. 30, 2023
Debt Instrument [Line Items]
Total long-term debt, including current maturities		$ 1,284,000,000		$ 1,372,000,000
Long-term debt		1,275,000,000		1,360,700,000
Notes payable		$ 24,500,000		$ 19,500,000
Notes payable, weighted-average interest rate		3.80%		3.90%
Line of Credit, Current			$ 425,000,000.0
Senior notes | Senior notes due 2028
Debt Instrument [Line Items]
Total long-term debt, including current maturities	[1]	$ 750,000,000.0		$ 750,000,000.0
Unamortized debt issuance costs		$ 5,400,000		6,900,000
Debt, stated interest rate		5.50%
Minimum Debt amount		$ 150.0
Minimum Debt amount		150.0
Senior notes | Senior Notes, Due 2029
Debt Instrument [Line Items]
Total long-term debt, including current maturities	[1]	500,000,000.0		500,000,000.0
Unamortized debt issuance costs		$ 3,600,000		4,400,000
Debt, stated interest rate		4.125%
Minimum Debt amount		$ 150.0
Minimum Debt amount		150.0
Domestic line of credit | Revolving line of credit due 2025
Debt Instrument [Line Items]
Total long-term debt, including current maturities		34,000,000.0		122,000,000.0
Loans payable
Debt Instrument [Line Items]
Unamortized discount and debt issuance costs	[1]	9,000,000.0		$ 11,300,000
Domestic Line of Credit and Senior Notes | Senior Notes and Revolving Line of Credit, Due 2029
Debt Instrument [Line Items]
Total long-term debt, including current maturities		$ 534,000,000.0

[1] At September 30, 2024, the balance for the Senior Notes due 2028 and the Senior Notes due 2029 are reflected net of debt issuance costs of $5.4 and $3.6, respectively. At September 30, 2023, the balance for the Senior Notes due 2028 and the Senior Notes due 2029 are reflected net of debt issuance costs of $6.9 and $4.4, respectively.