Other Expense (Income) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Other Income and Expenses [Abstract]
Development income	$ (0.3)	$ (0.4)	$ (1.2)	$ (1.2)
Acquisition-related contingencies	0.3	0.3	1.0	0.5
License costs	1.2		1.2
Foreign exchange and other	(0.9)	0.2	0.3	0.2
Other expense (income)	$ 0.3	$ 0.1	$ 1.3	$ (0.5)