v3.25.1
Cover Page - shares
 3 Months Ended
May 03, 2025
Jun. 03, 2025
Class of Stock [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date May 03, 2025  
Document Transition Report false  
Entity File Number 001-32545  
Entity Registrant Name DESIGNER BRANDS INC.  
Entity Incorporation, State or Country Code OH  
Entity Tax Identification Number 31-0746639  
Entity Address, Address Line One 810 DSW Drive,  
Entity Address, City or Town Columbus,  
Entity Address, State or Province OH  
Entity Address, Postal Zip Code 43219  
City Area Code (614)  
Local Phone Number 237-7100  
Title of 12(b) Security Class A Common Shares, without par value  
Trading Symbol DBI  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Current Fiscal Year End Date --01-31  
Entity Central Index Key 0001319947  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q1  
Amendment Flag false  
Class A Common Shares    
Class of Stock [Line Items]    
Entity Common Stock, Shares Outstanding   41,091,653
Class B Common Shares    
Class of Stock [Line Items]    
Entity Common Stock, Shares Outstanding   7,732,733