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Description of Business and Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Oct. 02, 2011
Oct. 03, 2010
Sep. 27, 2009
Basis of Presentation [Line Items]   
Stock awards excluded from computation of diluted EPS7.37.4 
Percentage of net sales from international market36.00%  
Broomfield Facility
   
Basis of Presentation [Line Items]   
Impairment of property, plant and equipment, held for sale   1.7
Scottsdale Facility
   
Basis of Presentation [Line Items]   
Impairment of long-lived assets for closure   4.5
International
   
Basis of Presentation [Line Items]   
Percentage of net sales from international market46.00%40.00%30.00%