Other, Net (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Other Income and Expenses [Abstract]
Foreign currency exchange transactions	$ (2.1)	$ (1.2)	$ 0.3
Loss (gain) on equity investments	0.1	(0.8)	(0.3)
Other	(3.6)	(2.6)	(2.8)
Other, net	$ (5.6)	$ (4.6)	(2.8)
Income (expense) related to the change in fair value of certain equity repurchase agreements			$ 1.7