Interest and Other Income (Expense), Net (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Interest and Other Income (Expense), Net
Interest expense, net	$ (3.1)	$ (3.3)
Exchange losses on foreign currency transactions	(0.4)	(3.0)
Gain on disposal of product line	0.9
Other	(1.3)	(1.2)
Interest and other income (expense), net	$ (3.9)	$ (7.5)