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Related Party Agreements and Transactions (Details) - USD ($)
$ in Millions
12 Months Ended
Feb. 02, 2018
Jan. 27, 2017
Apr. 04, 2014
Related Party Transaction      
Related Party Transactions, sale of debt $ 4.0    
Related Party Transaction, discount on sale of debt 1.0    
Sears Holdings Corporation | Accounts Receivable, Net      
Related Party Transaction      
Accounts receivable, net, due from related party 2.0 $ 3.7  
Sears Holdings Corporation | Accounts payable      
Related Party Transaction      
Accounts payable, due to related party 2.9 3.1  
Sears Holdings Corporation | Other Assets      
Related Party Transaction      
Indemnification receivable, uncertain tax positions $ 7.4 $ 11.4 $ 13.7