Interest Expense, Net (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
Interest Expense [Abstract]
Interest income included in interest expense, net	$ 0.3	$ 0.2	$ 0.7	$ 0.8