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Revenue Recognition (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Nov. 30, 2019
Dec. 01, 2018
Nov. 30, 2019
Dec. 01, 2018
Revenue Recognition [Line Items]        
Net sales for gift card and merchandise credit redemptions     $ 102.9  
Liability for estimated returns $ 89.0   89.0  
Right of return asset for merchandise $ 55.0   $ 55.0  
Revenue Benchmark [Member] | Domestic Merchandise [Member] | Product Concentration Risk [Member]        
Revenue Recognition [Line Items]        
Percentage of net sales 35.00% 34.60% 36.40% 36.40%
Revenue Benchmark [Member] | Home Furnishings [Member] | Product Concentration Risk [Member]        
Revenue Recognition [Line Items]        
Percentage of net sales 65.00% 65.40% 63.60% 63.60%