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Summary of Significant Accounting Policies - Additional Information (Details) (USD $)
6 Months Ended
Aug. 02, 2014
Significant Accounting Policies [Line Items]  
Stop-loss insurance maintained by insurance company, deductible per person $ 100
Minimum
 
Significant Accounting Policies [Line Items]  
Furniture, fixtures, and equipment, estimated useful life P3Y
Maximum
 
Significant Accounting Policies [Line Items]  
Furniture, fixtures, and equipment, estimated useful life P10Y