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Document and Entity Information - Aug. 01, 2015 - USD ($)
Total
Document and Entity Information [Abstract]  
Entity Registrant Name Cato Corp
Entity Central Index Key 0000018255
Document Type 10-Q
Document Period End Date Aug. 01, 2015
Amendment Flag false
Current Fiscal Year End Date --08-01
Entity Well Known Seasoned Issuer Yes
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Filer Category Large Accelerated Filer
Class of Stock [Line Items]  
Document Fiscal Year Focus 2015
Document Fiscal Period Focus Q2
Entity Public Float $ 796,035,939
Common Class A [Member]  
Class of Stock [Line Items]  
Entity Common Stock, Shares Outstanding (actual number) 26,318,286
Common Class B [Member]  
Class of Stock [Line Items]  
Entity Common Stock, Shares Outstanding (actual number) 1,743,525