INCOME TAXES - Effective Income Tax Rate Reconciliation (Details)	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Effective Income Tax Rate Reconciliation
Statutory federal tax rate	35.00%	35.00%	35.00%
State taxes—net of federal tax benefit	6.67%	7.29%	6.92%
Cash surrender value	(0.07%)	(0.09%)	(0.13%)
Non-deductible stock option expense	(0.20%)	(0.69%)	(0.38%)
Non-taxable income	(0.56%)	(0.79%)	(1.10%)
Other	(0.20%)	0.20%	0.19%
Effective tax rate	40.64%	40.92%	40.50%