PROPERTY, PLANT AND EQUIPMENT (Details) - Summary of Property Plant and Equipment (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Sep. 30, 2013
Property, Plant and Equipment [Line Items]
Property Plant And Equipment Gross	$ 885,867	$ 827,883
Accumulated depreciation and amortization	(520,491)	(474,290)
Total	365,376	353,593
Land, building and building improvements [Member]
Property, Plant and Equipment [Line Items]
Property Plant And Equipment Gross	131,270	130,905
Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Property Plant And Equipment Gross	715,805	661,094
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property Plant And Equipment Gross	$ 38,792	$ 35,884