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Stock-Based Compensation (Narrative) (Details) - shares
12 Months Ended
Sep. 28, 2013
Oct. 01, 2016
Oct. 03, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Aggregate total of shares authorized (in shares)   64,000,000 64,000,000
2011 Stock Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Increase in the number of shares that can be issued (in shares) 1,500,000    
Aggregate total of shares authorized (in shares) 3,800,000    
Shares available for future grant under stock plan (in shares)   2,074,000  
2012 Stock Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares available for issuance under plan (in shares)   665,000