Interest and Other Income (Expense), Net (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Interest and Other Income (Expense), Net
Interest income	$ 1.2	$ 0.8	$ 1.0
Interest expense	(13.0)	(13.3)	(13.4)
Exchange losses on foreign currency transactions	(5.5)	(2.0)	(10.4)
(Loss) gain on disposal of product line	(0.2)	8.3	0.9
Other	(0.2)	2.1	(1.7)
Interest and other income (expense), net	$ (17.7)	$ (4.1)	$ (23.6)