PROPERTY, PLANT AND EQUIPMENT (Details) - Summary of Property Plant and Equipment (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Sep. 30, 2014
Property, Plant and Equipment [Line Items]
Property Plant And Equipment Gross	$ 893,082	$ 890,983
Accumulated depreciation and amortization	(525,900)	(520,418)
Total	367,182	370,565
Land, building and building improvements [Member]
Property, Plant and Equipment [Line Items]
Property Plant And Equipment Gross	125,423	127,714
Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Property Plant And Equipment Gross	723,593	720,417
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property Plant And Equipment Gross	$ 44,066	$ 42,852