Document and Entity Information - shares
6 Months Ended
Jul. 29, 2017
Aug. 25, 2017
Document and Entity Information [Abstract]    
Entity Registrant Name GENESCO INC  
Entity Central Index Key 0000018498  
Document Type 10-Q  
Document Period End Date Jul. 29, 2017  
Amendment Flag false  
Document Fiscal Year Focus 2018  
Document Fiscal Period Focus Q2  
Current Fiscal Year End Date --02-03  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding (in shares)   19,919,019