COMMITMENTS AND CONTINGENCIES (Details) - USD ($)	3 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Feb. 28, 2011	Apr. 30, 2009
Commitments and Contingencies Disclosure [Abstract]
Net capital cost value				$ 5,000,000
Obligation under consent order			$ 0
Net capital cost value in proposed remedial action plan			$ 10,000,000
Loss contingency claim asserted	$ 0
Operating Leases, Rent Expense, Net	7,333,000	$ 7,762,000
Operating Leases, Future Minimum Payments, Remainder of Fiscal Year	26,145,000
Operating Leases, Future Minimum Payments, Due in Two Years	20,391,000
Operating Leases, Future Minimum Payments, Due in Three Years	17,666,000
Operating Leases, Future Minimum Payments, Due in Four Years	14,609,000
Operating Leases, Future Minimum Payments, Due in Five Years	10,005,000
Operating Leases, Future Minimum Payments, Due Thereafter	$ 9,294,000