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Basis Of Presentation And Description Of Business (Basis of Presentation and Fiscal Year) (Details)
3 Months Ended 4 Months Ended 9 Months Ended
Nov. 05, 2012
Period
May 21, 2012
Period
Nov. 05, 2012
Period
Organization, Consolidation and Presentation of Financial Statements [Abstract]      
Number of four-week accounting periods in fiscal year     13
Number of reporting periods in first quarter   4  
Number of weeks in reporting period P12W P16W  
Number of reporting periods in quarter, other than first quarter 3