Restructuring Activities (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Mar. 31, 2016
Restructuring and repositioning expenses [Abstract]
Employee severance and related benefits	$ 1.3	$ 1.9
Other restructuring and repositioning expenses	1.0	0.7
Total	2.3	2.6
Changes in accrued severance [Roll Forward]
Beginning balance	14.7	9.9
Additions	1.3	1.9
Payments	(3.1)	(2.4)
Effect of exchange rate changes	(0.2)	0.4
Ending balance	12.7	$ 9.8
Assets Held-for-Sale [Abstract]
Assets held for sale	$ 8.5		$ 8.5