Income Tax Provision (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Income Tax Provision (Textual) [Abstract]
Statutory tax rate	39.60%		35.00%
Establishment/reversal of valuation allowance for deferred tax assets		$ 9.2		$ 27.5