Contingencies, Litigation and Subsequent Event (Details) (USD $)	3 Months Ended		12 Months Ended
	Jun. 30, 2011	Sep. 30, 2010	Mar. 31, 2012	Mar. 31, 2011
Contingencies, Litigation and Subsequent Event (Textual) [Abstract]
Pre-tax charge to earnings				$ 9,000,000
Settlement agreement providing for the payment		2,100,000
Fees and expenses		700,000
Accrued estimated liabilities		2,800,000
Resolve claims			9,000,000
Cash payment into escrow	$ 9,000,000