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Related Party Transactions (Details)
ft² in Thousands
3 Months Ended
Apr. 30, 2016
USD ($)
ft²
lease
Jan. 30, 2016
USD ($)
ft²
May. 02, 2015
USD ($)
Marciano Trusts      
Related Party Transactions      
Number of leases under related party lease agreements | lease 4    
Marciano Trusts | Parking lot adjacent to corporate headquarters      
Related Party Transactions      
Area of leased property (in square feet) | ft² 140 140  
Gross cash proceeds received from sales-leaseback transaction $ 7,500,000    
Sale price of sales-leaseback transaction   $ 7,500,000  
Marciano Trusts | Parking lot adjacent to corporate headquarters | Other income/expense      
Related Party Transactions      
Net gains recognized in other income from sales-leaseback transaction   $ 3,400,000  
Marciano Trusts | Related party leases      
Related Party Transactions      
Expenses under related party arrangement $ 1,200,000   $ 1,400,000
Marciano Trusts | Minimum      
Related Party Transactions      
Lease expiration date (by year) 2017    
Marciano Trusts | Maximum      
Related Party Transactions      
Lease expiration date (by year) 2020    
MPM Financial LLC | Payments for aircraft charter      
Related Party Transactions      
Payments under related party agreement $ 300,000   $ 0