Income Taxes - Income and Taxes from Continuing Operations (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income (loss) from continuing operations before income taxes
U.S.	$ (44.3)	$ (1.8)	$ (72.9)
Foreign	270.5	237.3	152.2
Income from continuing operations before tax	226.2	235.5	79.3
Current tax expense (benefit)
U.S. federal	2.8	0.5	(0.8)
State	1.6	0.9	(0.6)
Foreign	99.3	104.3	86.2
Current tax expense	103.7	105.7	84.8
Deferred tax expense (benefit)
U.S. federal	(59.3)	6.0	(7.9)
State	(0.1)	2.9	(1.6)
Foreign	(2.9)	5.7	(18.7)
Deferred tax expense (benefit)	(62.3)	14.6	(28.2)
Provision for income taxes of continuing operations	41.4	120.3	56.6
Comprehensive provision (benefit) for income taxes allocable to
Continuing operations	41.4	120.3	56.6
Discontinued operations	(0.9)	0.6	(0.2)
Other comprehensive income (loss)	55.9	55.3	(12.4)
Equity	0.0	0.0	(0.6)
Comprehensive provision for income taxes	$ 96.4	$ 176.2	$ 43.4