Other Income and Expense (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Other Income and Expense [Abstract]
Equity in earnings of non-consolidated affiliate	$ 0.1	$ 0	$ 0.5	$ 0.1
Interest income	0.1	0.1	0.3	0.5
Foreign currency transactions	(0.6)	(0.3)	(1.7)	(0.6)
Other non-operating income - net	0.1	(0.1)	0.1	0
Total other expense - net	$ (0.3)	$ (0.3)	$ (0.8)	$ 0