Property, Plant And Equipment (Schedule Of Property, Plant And Equipment) (Details) (USD $) In Thousands	Sep. 30, 2011	Oct. 01, 2010
Property, Plant and Equipment [Line Items]
Land and improvements	$ 11,024	$ 10,082
Buildings and improvements	53,397	47,734
Furniture and fixtures	26,325	24,784
Machinery and equipment	568,563	455,157
Construction in progress	13,929	28,901
Total property, plant and equipment, gross	673,238	566,658
Accumulated depreciation and amortization	(421,873)	(362,295)
Total property, plant and equipment, net	$ 251,365	$ 204,363