Share Based Awards (Details 4) (USD $)	6 Months Ended
	Sep. 30, 2012
Schedule of Employee Stock Options and Performance Based Awards by Nonvested Stock Options
Non-Vested Number of Shares Outstanding Beginning Balance	778,319
Weighted Average Fair Value Price per Share Outstanding Beginning Balance	$ 10.76
Non-Vested Number of Shares Granted	511,500
Weighted Average Fair Value per Share Price Granted	$ 8.41
Non-Vested Number of Shares Vested	(154,214)
Weighted Average Fair Value per Share Price Vested	$ 8.24
Non-Vested Number of Shares Forfeited	(157,880)
Weighted Average Fair Value per Share Price Forfeited	$ 10.32
Non-Vested Number of Share Outstanding Ending Balance	977,725
Weighted Average Fair Value per Share Price Outstanding Ending Balance	$ 10.01