COMMITMENTS AND CONTINGENCIES (Details) - USD ($)	3 Months Ended		9 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Feb. 28, 2011	Apr. 30, 2009
Commitments and Contingencies Disclosure [Abstract]
Operating Leases, Rent Expense, Net	$ 7,141,000	$ 7,757,000	$ 21,778,000	$ 15,400,000
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		0
Remainder of year	26,655,000		26,655,000
Year 2	21,710,000		21,710,000
Year 3	17,815,000		17,815,000
Year 4	14,704,000		14,704,000
Year 5	10,036,000		10,036,000
Thereafter	$ 9,294,000		$ 9,294,000