Debt and Credit Arrangements (Tables)

6 Months Ended

Jun. 30, 2022

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, 2022		December 31, 2021
4.200% Senior Notes due 2024 (less unamortized discount and issuance costs of $0.1 and $0.4, respectively)	4.240%	$	249.5	$	249.4
4.650% Senior Notes due 2028 (less unamortized discount and issuance costs of $1.1 and $2.8, respectively)	4.780%	496.1		495.8
4.750% Senior Notes due 2030 (less unamortized discount and issuance costs of $3.0 and $4.8, respectively)	4.920%	642.2		641.7
2.400% Senior Notes due 2031 (less unamortized discount and issuance costs of $0.8 and $4.0, respectively)	2.512%	495.2		495.0
3.375% Senior Notes due 2041 (less unamortized discount and issuance costs of $1.0 and $5.4, respectively)	3.448%	493.6		493.4
5.400% Senior Notes due 2048 (less unamortized discount and issuance costs of $2.6 and $4.9, respectively)	5.480%	492.5		492.3
Other notes payable and capitalized leases		37.6		41.7
Total long-term debt		2,906.7		2,909.3
Less: current portion		0.6		0.7
Long-term debt, excluding current portion		$	2,906.1	$	2,908.6