Debt and Credit Arrangements (Tables)

9 Months Ended

Sep. 30, 2025

Debt Disclosure [Abstract]

Schedule of Debt

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

	Effective Interest Rate	September 30, 2025		December 31, 2024
4.650% Senior Notes due 2028 (less unamortized discount and issuance costs of $0.6 and $1.3, respectively)	4.780%	$	498.1	$	497.6
4.750% Senior Notes due 2030 (less unamortized discount and issuance costs of $1.9 and $2.8, respectively)	4.920%	645.3		644.6
2.400% Senior Notes due 2031 (less unamortized discount and issuance costs of $0.5 and $2.5, respectively)	2.512%	497.0		496.6
5.375% Senior Notes due 2033 (less unamortized discount and issuance costs of $3.1 and $2.5, respectively)	5.650%	294.5		294.0
3.375% Senior Notes due 2041 (less unamortized discount and issuance costs of $0.9 and $4.5, respectively)	3.448%	494.6		494.4
5.400% Senior Notes due 2048 (less unamortized discount and issuance costs of $2.5 and $4.3, respectively)	5.480%	493.2		493.1
Other notes payable and finance leases		0.4		0.3
Total long-term debt		2,923.1		2,920.6
Less: current portion		0.1		0.1
Long-term debt, excluding current portion		$	2,923.0	$	2,920.5