Income Taxes - Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]
U.S. federal	$ 8.3	$ 7.2	$ 4.6
U.S. state and local	5.3	2.7	1.7
Foreign	48.1	38.2	43.9
Total	61.7	48.1	50.2
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
U.S. federal	27.1	6.8	102.8
U.S. state and local	(9.2)	12.8	0.4
Foreign	(2.2)	(13.5)	(11.5)
Total	15.7	6.1	91.7
U.S. federal	35.4	14.0	107.4
U.S. state and local	(3.9)	15.5	2.1
Foreign	45.9	24.7	32.4
Total	$ 77.4	$ 54.2	$ 141.9