Restructuring Activities (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Mar. 31, 2016
Restructuring and repositioning expenses [Abstract]
Employee severance and related benefits	$ 0.8		$ 2.1	$ 1.7
Employee severance and related benefits - income		$ (0.2)
Other restructuring and repositioning expenses	1.3	1.2	2.3	1.9
Total	2.1	1.0	4.4	3.6
Changes in accrued severance [Roll Forward]
Beginning balance	12.7	9.8	14.7	9.9
Additions and adjustments	0.8	(0.2)	2.1	1.7
Payments	(4.1)	(1.8)	(7.2)	(4.2)
Effect of exchange rate changes	(0.2)	0.0	(0.4)	0.4
Ending balance	9.2	7.8	9.2	7.8
Assets Held-for-Sale [Abstract]
Assets held for sale	5.6		5.6		$ 8.5
Restructuring Cost and Reserve [Line Items]
Cash proceeds from sale of assets			4.3	0.1
Gain on sale of assets	1.2	$ 0.0	$ 1.2	$ 0.0
Europe Segment [Member]
Restructuring Cost and Reserve [Line Items]
Cash proceeds from sale of assets	4.3
Gain on sale of assets	$ 1.2

Amount of income for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

No definition available.