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Basis of Financial Statement Presentation (Details) - USD ($)
3 Months Ended 12 Months Ended
Apr. 30, 2016
May. 02, 2015
Feb. 02, 2013
Jan. 30, 2016
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Unamortized Debt Issuance Expense $ 1,600,000      
Number of Weeks in Fiscal Year, Minimum 364 days      
Number of Weeks in Fiscal Year, Maximum     371 days  
Number Of Weeks In Fiscal Period P13W P13W    
PNC Bank, N.A. [Member] | Term Loan [Member]        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Unamortized Debt Issuance Expense $ 244,000     $ 266,000
PNC Bank, N.A. [Member] | Line of Credit [Member]        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Unamortized Debt Issuance Expense       $ 694,000