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Commitments and Contingencies Loss Contingencies (Details) (USD $) In Thousands, unless otherwise specified	7 Months Ended	1 Months Ended
	Jan. 31, 2008 officers	Jan. 31, 2012	Jun. 30, 2010	Jul. 31, 2009	Feb. 28, 2009 counts
Materially Misstated Financial Statements
Loss Contingencies
Number of officers	2
Officer, Flood \| Criminal \| Materially Misstated Financial Statements
Loss Contingencies
Loss contingency, number of convicted counts					9
Prison sentence, years			4 years
Probation, in years			3 years
Loss contingency, legal fees incurred		$ 373		$ 373
Loss contingency, legal fees, paid in escrow				248
Loss contingency, damages paid, value				3,630
Loss contingency, legal fees, refunded from escrow		248
Officer, Strohm \| Criminal \| Materially Misstated Financial Statements
Loss Contingencies
Loss contingency, number of convicted counts					1
Probation, in years			2 years
Probation sentence, in hours			150 hours
Flood [Member] \| Counterclaims [Member]
Loss Contingencies
Gain contingency, unrecorded amount				$ 3,390