Income Taxes - Components of Income Tax Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Current:
Federal	$ 30.2	$ 75.7	$ 64.8
State	(4.2)	8.4	10.9
International	58.8	61.4	74.4
Current income tax provision	84.8	145.5	150.1
Deferred:
Federal and state	(11.6)	(20.3)	7.3
International	49.1	(10.5)	(50.2)
Deferred income tax provision	37.5	(30.8)	(42.9)
Income tax expense	$ 122.3	$ 114.7	$ 107.2