XML 46 R30.htm IDEA: XBRL DOCUMENT v3.19.1
Summary of Significant Accounting Policies - PPE and Insurance Liabilities (Details) - USD ($)
 12 Months Ended
Feb. 02, 2019
Feb. 03, 2018
Jan. 28, 2017
Fiscal Year      
Length of fiscal year 364 days 371 days 364 days
Impairment of long lived assets      
Non-cash impairment expense related to leasehold improvements and fixtures and equipment $ 1,300,000 $ 500,000 $ 300,000
Insurance Liabilities      
Self-insured retention or deductible amount per claim for workers' compensation 250,000    
Self-insured retention or deductible amount per claim for employee medical $ 100,000    
Furniture, fixtures and equipment | Minimum      
Property and Equipment, net      
Estimated useful lives 3 years    
Furniture, fixtures and equipment | Maximum      
Property and Equipment, net      
Estimated useful lives 5 years    
Leasehold improvements | Minimum      
Property and Equipment, net      
Estimated useful lives 5 years    
Leasehold improvements | Maximum      
Property and Equipment, net      
Estimated useful lives 7 years    
Building and Building Improvements | Minimum      
Property and Equipment, net      
Estimated useful lives 15 years    
Building and Building Improvements | Maximum      
Property and Equipment, net      
Estimated useful lives 20 years