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Summary of Significant Accounting Policies (Details)
$ in Millions
12 Months Ended
Dec. 16, 2015
Nov. 25, 2015
Oct. 25, 2015
USD ($)
Oct. 26, 2014
USD ($)
Oct. 27, 2013
USD ($)
Fiscal year term     364 days 364 days 364 days
Rabbi trust          
Investments          
Gains related to securities held     $ 2.4 $ 2.9 $ 4.6
2016          
Fiscal year term 371 days        
Common Stock          
Subsequent Event          
Authorized stock split ratio   2