Long-Term Debt (Tables)

9 Months Ended

Sep. 30, 2022

Debt Disclosure [Abstract]

Schedule of Long-Term Debt

Long-term debt at September 30, 2022 and December 31, 2021 consisted of the following:

(in millions)	September 30, 2022			December 31, 2021
Current portion of long-term debt:
Current portion of 5-year term loan facility expires 2026	$	12.5		$	12.5
Current portion of 5-year term loan facility expires 2023		30.0			30.0
Current portion of 5-year term loan facility expires 2027		25.0			—
Total current portion of long-term debt		67.5			42.5
Long-term debt:
Note agreements:
4.200% senior notes, semi-annual interest payments, net of the unamortized discount,    balloon due 2024	$	499.7		$	499.5
4.500% senior notes, semi-annual interest payments, net of the unamortized discount,    balloon due 2029		349.6			349.6
2.375% senior notes, semi-annual interest payments, net of the unamortized discount,    balloon due 2031		699.4			699.3
4.200% senior notes, semi-annual interest payments, net of the unamortized discount,    balloon due 2032		598.0			—
4.950% senior notes, semi-annual interest payments, net of the unamortized discount,    balloon due 2052		591.9			—
Total notes		2,738.6			1,548.4
Credit agreements:
5-year term loan facility, periodic interest and principal payments, LIBOR plus up to    1.750%, expires October 27, 2026		225.0			234.4
5-year revolving loan facility, periodic interest payments, LIBOR plus up to 1.525%, plus commitment fees up to 0.225%, expires October 27, 2026		150.0			—
5-year term loan facility, periodic interest and principal payments, LIBOR plus up to    1.750%, expires December 21, 2023		187.5			210.0
3-year term loan facility, periodic interest and principal payments, SOFR plus up to 1.625%, expires March 31, 2025		300.0			—
5-year term loan facility, periodic interest and principal payments, SOFR plus up to 1.750%, expires March 31, 2027		462.5			—
Total credit agreements		1,325.0			444.4
Debt issuance costs (contra)		(23.2	)		(12.4	)
Total long-term debt less unamortized discount and debt issuance costs		4,040.4			1,980.4
Current portion of long-term debt		67.5			42.5
Total debt	$	4,107.9		$	2,022.9