Debt and Credit Arrangements (Tables)

6 Months Ended

Jun. 30, 2023

Debt Disclosure [Abstract]

Summary of Carrying Amounts and Fair Values of Long-term Debt

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

	Effective Interest Rate	June 30, 2023		December 31, 2022
4.200% Senior Notes due 2024 (less unamortized discount and issuance costs of $0.0 and $0.2, respectively)	4.240%	$	249.8	$	249.7
4.650% Senior Notes due 2028 (less unamortized discount and issuance costs of $1.0 and $2.3, respectively)	4.780%	496.7		496.4
4.750% Senior Notes due 2030 (less unamortized discount and issuance costs of $2.8 and $4.1, respectively)	4.920%	643.1		642.6
2.400% Senior Notes due 2031 (less unamortized discount and issuance costs of $0.6 and $3.6, respectively)	2.512%	495.8		495.5
5.375% Senior Notes due 2033 (less unamortized discount and issuance costs of $3.7 and $3.3, respectively)	5.650%	293.0		—
3.375% Senior Notes due 2041 (less unamortized discount and issuance costs of $1.0 and $5.1, respectively)	3.448%	493.9		493.7
5.400% Senior Notes due 2048 (less unamortized discount and issuance costs of $2.6 and $4.7, respectively)	5.480%	492.7		492.6
Other notes payable and finance leases		0.7		0.8
Total long-term debt		3,165.7		2,871.3
Less: current portion		250.3		0.6
Long-term debt, excluding current portion		$	2,915.4	$	2,870.7