Commitments and Contingencies (Details Textual) - USD ($) $ in Millions		1 Months Ended	6 Months Ended	9 Months Ended
	May. 02, 2014	May. 31, 2009	Jun. 30, 2013	Sep. 30, 2013
California College
Loss Contingency [Abstract]
Damages sought			$ 14.4	$ 9.2
Alleged pre-judgment interest			$ 5.0
California College | Minimum
Loss Contingency [Abstract]
Damages sought		$ 20.0
Demand For Arbitration | Minimum
Loss Contingency [Abstract]
Damages sought	$ 3.6