Debt (Tables)

9 Months Ended

Sep. 30, 2023

Debt [Abstract]

Long-Term Debt

Long-term debt:

	September 30, 2023		December 31, 2022
3.65% Senior Notes due 2024	$	750.0	$	750.0
3.60% Senior Notes due 2026	1,400.0		1,400.0
€500 million 0.80% Senior Notes due 2027	528.3		534.9
2.45% Senior Notes due 2030	600.0		600.0
4.20% Senior Notes due 2030	600.0		600.0
€500 million 1.40% Senior Notes due 2031	528.3		534.9
2.60% Senior Notes due 2031	800.0		800.0
£325 million 2.25% Senior Notes due 2033	396.6		392.0
Long-Term Debt, Gross	5,603.2		5,611.8
Unamortized discount	(8.0)		(9.0)
Unamortized debt issuance costs	(23.1)		(26.2)
Unamortized deferred gain (loss) from settlement of interest rate swaps, net	—		0.6
Long-Term Debt	$	5,572.1	$	5,577.2