Interest and Other Income (Expense), Net (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Interest and Other Income (Expense), Net
Interest expense, net	$ (3.0)	$ (3.1)
Exchange losses on foreign currency transactions	(1.6)	(0.4)
Gain on disposal of product line	0.3	0.9
Other	(0.6)	(1.3)
Interest and other income (expense), net	$ (4.9)	$ (3.9)