PROPERTY, PLANT AND EQUIPMENT (Details) - Summary of Property Plant and Equipment (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Sep. 30, 2013
Property, Plant and Equipment [Line Items]
Property Plant And Equipment Gross	$ 845,495	$ 827,883
Accumulated depreciation and amortization	(490,180)	(474,290)
Total	355,315	353,593
Land, Buildings and Improvements [Member]
Property, Plant and Equipment [Line Items]
Property Plant And Equipment Gross	130,772	130,905
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property Plant And Equipment Gross	678,684	661,094
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property Plant And Equipment Gross	$ 36,039	$ 35,884