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Basis of Presentation (Details)
3 Months Ended 6 Months Ended 12 Months Ended
May 04, 2014
Apr. 28, 2013
May 04, 2014
Apr. 28, 2013
Nov. 03, 2013
Nov. 02, 2014
Forecast
New Accounting Pronouncements or Change in Accounting Principle [Line Items]            
Length of financial reporting period 91 days 91 days 182 days 182 days 371 days 364 days