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Related Party Transactions (Details) - USD ($)
shares in Millions, $ in Millions
3 Months Ended 9 Months Ended
Oct. 31, 2020
Nov. 02, 2019
Oct. 31, 2020
Nov. 02, 2019
Feb. 01, 2020
Schottenstein Affiliates [Abstract]          
Related party transaction outstanding common shares owned (in hundredths) 16.00%   16.00%    
Related party transaction combined voting power of outstanding common shares (in hundredths) 52.00%   52.00%    
Due to Related Parties, Current $ 1.1 $ 0.6 $ 1.1 $ 0.6 $ 0.9
Class A common shares          
Schottenstein Affiliates [Abstract]          
Related party transaction, number of shares owned by related party (in shares) 3.7   3.7    
Class B common shares          
Schottenstein Affiliates [Abstract]          
Related party transaction, number of shares owned by related party (in shares) 7.7   7.7    
Schottenstein Affiliates          
Schottenstein Affiliates [Abstract]          
Related party transaction, purchases from related party $ 1.7 1.2 $ 4.2 4.6  
Royalty Arrangement [Member]          
Schottenstein Affiliates [Abstract]          
Royalty Expense $ 4.6 $ 4.4 $ 13.6 $ 13.7  
Designer Brands Inc. | ABG-Camuto, LLC          
Schottenstein Affiliates [Abstract]          
Noncontrolling Interest in joint ventures 40.00%   40.00%