Debt (Tables)

12 Months Ended

Dec. 31, 2023

Debt [Abstract]

Long-Term Debt

	December 31,
	2023		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	553.0		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	553.0		534.9
2.60% Senior Notes due 2031	800.0		800.0
£325 Million 2.25% Senior Notes due 2033	413.9		392.0
Long-Term Debt, Gross	5,669.9		5,611.8
Unamortized discount	(7.8)		(9.0)
Unamortized debt issuance costs	(22.3)		(26.2)
Unamortized deferred gain (loss) from settlement of interest rate swaps	(0.2)		0.6
Current portion	(750.5)		—
Long-Term Debt	$	4,889.1	$	5,577.2

Long-Term Debt Maturities

Long-term debt maturities at December 31, 2023:

2024	$	750.0
2025	—
2026	1,400.0
2027	553.0
2028	—
Thereafter	2,966.9
Long-Term Debt, Gross	$	5,669.9

Interest Expense

	Year Ended December 31,
	2023		2022		2021
Long-term debt	$	165.1	$	164.7	$	167.3
Fees and early redemption payments	4.8		4.6		43.4
Pension and other interest	50.5		35.8		35.3
Interest rate and cross currency swaps	(1.9)		3.5		(9.6)
Interest Expense	$	218.5	$	208.6	$	236.4