PROPERTY, PLANT AND EQUIPMENT (Details) - Summary of Property Plant and Equipment - USD ($) $ in Thousands	Jun. 30, 2015	Sep. 30, 2014
Property, Plant and Equipment [Line Items]
Property Plant And Equipment Gross	$ 906,382	$ 890,983
Accumulated depreciation and amortization	(540,018)	(520,418)
Total	366,364	370,565
Land, building and building improvements [Member]
Property, Plant and Equipment [Line Items]
Property Plant And Equipment Gross	123,874	127,714
Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Property Plant And Equipment Gross	736,021	720,417
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property Plant And Equipment Gross	$ 46,487	$ 42,852