Other Expense (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Other Income and Expenses [Abstract]
Pension settlement charge	$ 49.0		$ 49.0
Executive retirement and related costs			10.9
License costs		$ 1.2		$ 1.2
Development income	(0.3)	(0.3)	(1.1)	(1.2)
Contingent consideration costs	0.5	0.3	0.8	1.0
Other items	(0.5)	(0.9)	(1.5)	0.3
Other expense	$ 48.7	$ 0.3	$ 58.1	$ 1.3