Debt and Credit Agreements Schedule of Long-term Debt Instruments (Tables)

12 Months Ended

Dec. 31, 2024

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments [Table Text Block]

A summary of the carrying amounts of our long-term debt is listed below.

	Effective Interest Rate		December 31,
			2024 1		2023 1
4.200% Senior Notes due 2024	4.240	%	$	—	$	249.9
4.650% Senior Notes due 2028 (less unamortized discount and issuance costs of $0.7 and $1.7, respectively)	4.780	%	497.6		497.0
4.750% Senior Notes due 2030 (less unamortized discount and issuance costs of $2.2 and $3.2, respectively)	4.920	%	644.6		643.6
2.400% Senior Notes due 2031 (less unamortized discount and issuance costs of $0.5 and $2.9, respectively)	2.512	%	496.6		496.0
5.375% Senior Notes due 2033 (less unamortized discount and issuance costs of $3.3 and $2.7, respectively)	5.650	%	294.0		293.4
3.375% Senior Notes due 2041 (less unamortized discount and issuance costs of $0.9 and $4.7, respectively)	3.448	%	494.4		494.1
5.400% Senior Notes due 2048 (less unamortized discount and issuance costs of $2.5 and $4.4, respectively)	5.480	%	493.1		492.8
Other notes payable and capitalized leases			0.3		0.8
Total long-term debt			2,920.6		3,167.6
Less: current portion			0.1		250.1
Long-term debt, excluding current portion			$	2,920.5	$	2,917.5

1See Note 14 for information on the fair value measurement of our long-term debt.