Income Taxes - Income Before Taxes and Tax Provision (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Domestic and foreign components of income before taxes:
Domestic	$ (15.4)	$ (31.1)	$ 3.8
Foreign	409.0	256.9	276.6
Income before income taxes and noncontrolling interests in consolidated subsidiaries	393.6	225.8	280.4
Current income tax expense (benefit):
Federal	1.0	(0.5)	0.6
State	1.2	(0.5)	2.2
Foreign	118.0	85.4	82.1
Total current income tax expense	120.2	84.4	84.9
Deferred income tax expense (benefit):
Federal	(7.8)	(4.9)	(2.2)
State	(2.5)	(1.0)	0.3
Foreign	3.1	(14.1)	(0.6)
Total deferred income tax benefit	(7.2)	(20.0)	(2.5)
Income tax provision	$ 113.0	$ 64.4	$ 82.4