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Other Financial Information (Property, Equipment And Improvements, Net In The Consolidated Balance Sheets) (Details) (USD $)
In Thousands
Sep. 30, 2011
Oct. 01, 2010
Oct. 02, 2009
Other Financial Information   
Land$ 23,542$ 12,223 
Buildings136,16190,565 
Equipment446,628433,395 
Leasehold improvements144,903142,358 
Construction in progress10,0463,570 
Property, Plant and Equipment, Gross, Total761,280682,111 
Accumulated depreciation and amortization(476,647)(467,079) 
Property, Plant and Equipment, Net, Total$ 284,633$ 215,032$ 240,350