Other Expense (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Other Income and Expenses [Abstract]
Severance and post-employment benefits	$ 0.0	$ 7.9	$ 8.9
Asset-related charges	0.0	15.0
Total restructuring and related charges	0.0	22.9
Venezuela currency devaluation	0.0	2.7
Development income	(0.4)	(0.4)
Contingent consideration costs	0.3	0.2
Other items	1.0	0.4
Total other expense	$ 0.9	$ 25.8