SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) - Valuation Allowance for Deferred Tax Assets [Member] - USD ($) $ in Millions		12 Months Ended
		Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2014
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period		$ 48.0	$ 61.2	$ 172.8
Additions Charged (Benefit) to Costs and Expenses		1.5	(6.8)	(113.1)
Additions Charged to Other Accounts	[1]	1.3	(6.4)	1.5
Balance at End of Period		$ 50.8	$ 48.0	$ 61.2

[1] Foreign currency translation and other adjustments