Restructuring Activities (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Restructuring and repositioning expenses [Abstract]
Employee severance and related benefits	$ 0.5	$ 1.3
Other restructuring and repositioning expenses	1.2	1.0
Total	1.7	2.3
Changes in accrued severance [Roll Forward]
Beginning balance	6.5	14.7
Additions	0.5	1.3
Payments	(3.3)	(3.1)
Effect of exchange rate changes	0.3	(0.2)
Ending balance	$ 4.0	$ 12.7