Divestitures (Narrative) (Details) (USD $)	9 Months Ended		0 Months Ended	3 Months Ended	0 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Oct. 31, 2012 Sale of Phazyme Brand	Dec. 31, 2012 Sale of Phazyme Brand	Jan. 04, 2013 Subsequent Event Sale of Phazyme Brand
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from the sale of the Phazyme brand	$ 21,700,000	$ 0	$ 21,700,000		$ 600,000
Fees earned from Transitional Services Agreement				$ 100,000