Basis of Presentation (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
	Dec. 31, 2012	Dec. 31, 2012
Selling, Distribution and Administrative Expenses [Member]
Prior Period Reclassification Adjustment	$ (3.1)	$ (11.9)
Cost of Products Sold, Excluding Depreciation [Member]
Prior Period Reclassification Adjustment	$ 3.1	$ 11.9