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Revenue Recognition (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Sep. 01, 2018
Aug. 26, 2017
Sep. 01, 2018
Aug. 26, 2017
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]        
Net sales for gift card and merchandise credit redemptions $ 85.5   $ 85.5  
Liability for estimated returns 144.6   144.6  
Right of return asset for merchandise $ 104.6   $ 104.6  
Sales Revenue, Net [Member] | Domestic Merchandise [Member] | Product Concentration Risk [Member]        
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]        
Percentage of net sales 38.60% 39.10% 37.30% 37.70%
Sales Revenue, Net [Member] | Home Furnishings [Member] | Product Concentration Risk [Member]        
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]        
Percentage of net sales 61.40% 60.90% 62.70% 62.30%