DEFERRED INCOME (NEW MARKETS TAX CREDIT TRANSACTION) (Details) - USD ($) $ in Thousands				12 Months Ended
	Sep. 30, 2014	Sep. 12, 2012	Feb. 03, 2012	Sep. 30, 2015
Deferred Income (New Markets Tax Credit Transaction)
Deferred income	$ 30,990			$ 30,990
Deferred costs, net	13,515			$ 15,010
New Markets Tax Credit Transaction
Deferred Income (New Markets Tax Credit Transaction)
Recapture period				7 years
Affiliates of JP Morgan Chase | Newark Joint Venture special purpose subsidiaries | New Markets Tax Credit Transaction
Deferred Income (New Markets Tax Credit Transaction)
Amount contributed	$ 5,100
Period over which tax credits is receivable	7 years
Affiliates of Goldman Sachs | Newark Joint Venture special purpose subsidiaries | New Markets Tax Credit Transaction
Deferred Income (New Markets Tax Credit Transaction)
Amount contributed		$ 16,400	$ 11,200
Period over which tax credits is receivable		7 years	7 years
Newark Joint Venture special purpose subsidiaries | Primary Beneficiary | J P Morgan Chase and Goldman Sachs Affiliates [Member] | New Markets Tax Credit Transaction
Deferred Income (New Markets Tax Credit Transaction)
Deferred income	$ 30,990			$ 30,990
Newark Joint Venture | Newark Joint Venture special purpose subsidiaries | New Markets Tax Credit Transaction
Deferred Income (New Markets Tax Credit Transaction)
Period after which option to acquire special purpose entity may be exercised				7 years
Newark Joint Venture | Primary Beneficiary | Newark Joint Venture special purpose subsidiaries | New Markets Tax Credit Transaction
Deferred Income (New Markets Tax Credit Transaction)
Deferred costs, net	$ 8,700			$ 9,700