PROPERTY, PLANT AND EQUIPMENT (Details) - Summary of property plant and equipment (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012
Property, Plant and Equipment [Line Items]
Property Plant And Equipment Gross	$ 827,883	$ 783,203
Accumulated depreciation and amortization	(474,290)	(426,324)
Total	353,593	356,879
Land, Buildings and Improvements [Member]
Property, Plant and Equipment [Line Items]
Property Plant And Equipment Gross	130,905	125,330
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property Plant And Equipment Gross	661,094	622,983
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property Plant And Equipment Gross	$ 35,884	$ 34,890