Interest and Other Income (Expense), Net (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Interest and Other Income (Expense), Net
Interest expense, net	$ (3.1)	$ (3.1)
Exchange losses on foreign currency transactions	(2.3)	(0.4)
Other	(0.2)
Interest and other income (expense), net	$ (5.6)	$ (3.5)