Income Taxes - Schedule of Income Taxes and Provision for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income before income taxes:
U.S.	$ 164.3	$ 163.8	$ 149.8
International	153.9	133.5	112.8
Income before income taxes and equity in earnings	318.2	297.3	262.6
Current:
U.S.	(0.3)	21.5	30.5
International	30.1	28.1	29.2
Current provision for income taxes	29.8	49.6	59.7
Deferred:
U.S.	48.6	34.4	13.1
International	4.6	5.3	3.2
Deferred provision for income taxes	53.2	39.7	16.3
Total provision for income taxes	$ 83.0	$ 89.3	$ 76.0