EMPLOYEE BENEFIT PLANS (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Defined Contribution Pension and Other Postretirement Plans Disclosure [Abstract]
Minimum annual contribution percent per employee	1.00%
Maximum annual contribution percent per employee	25.00%
Maximum employer match as percent of employee contribution	50.00%
Maximum match from employer as a percent of participants' salary	3.00%
Rate of discretionary employer contributions (in dollars per qualified hour)	0.30
Minimum eligibility period	90 days
Period to be fully vested	6 years
Contributions, net of forfeitures	$ 2,500	$ 2,400	$ 612
Deferred Compensation Arrangements [Abstract]
Percent of employee salary eligible for deferral	100.00%
Participant withdrawals, net of contributions	22	7,400
Participant contributions, net of withdrawals and changes in fair value of investments			$ 493