PROPERTY, PLANT AND EQUIPMENT (Details) - Summary of Property Plant and Equipment - USD ($) $ in Thousands	Dec. 31, 2015	Sep. 30, 2015
Property, Plant and Equipment [Line Items]
Property Plant And Equipment Gross	$ 930,970	$ 926,205
Accumulated depreciation and amortization	(554,860)	(546,233)
Total	376,110	379,972
Land, building and building improvements [Member]
Property, Plant and Equipment [Line Items]
Property Plant And Equipment Gross	128,830	131,546
Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Property Plant And Equipment Gross	755,939	747,194
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property Plant And Equipment Gross	$ 46,201	$ 47,465