PROPERTY, PLANT AND EQUIPMENT (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Depreciation and amortization expense	$ 16,533	$ 15,209
Selling, general and administrative expense [Member]
Property, Plant and Equipment [Line Items]
Depreciation and amortization expense	$ 3,513	$ 3,157