OTHER COMPREHENSIVE INCOME (LOSS) (Details) - Summary of Amounts Reclassified from Accumulated Other Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Pension amortization	$ (2,182)	$ (1,934)	$ (3,103)
Pension settlement	0	0	(2,142)
Gain (Loss) on Hedging Activity	1,223	0	0
Gain on cash flow hedge	662	386	0
Available-for-sale securities	$ 1,370	0	0
Disclosure of Reclassification Amount [Text Block]	411
Total before tax		(1,934)	(5,245)
Reclassification from AOCI, Current Period, Tax	$ 164
Tax		677	1,540
Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent	$ 247
Net of tax		$ (1,257)	$ (3,705)