Other, Net (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Other Income and Expenses [Abstract]
Foreign currency exchange transactions	$ 2.4	$ (2.1)	$ (1.2)
(Gain) loss on equity investments	(0.1)	0.1	(0.8)
Other	(3.4)	(3.6)	(2.6)
Other, net	$ (1.1)	$ (5.6)	$ (4.6)