Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information - shares
9 Months Ended
Sep. 26, 2020
Oct. 23, 2020
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 26, 2020  
Entity Transition Report false  
Entity File Number 001-38854  
Entity Registrant Name KONTOOR BRANDS, INC.  
Entity Incorporation, State or Country Code NC  
Entity Tax Identification Number 83-2680248  
Entity Address, Address Line One 400 N. Elm Street  
Entity Address, City or Town Greensboro  
Entity Address, State or Province NC  
Entity Address, Postal Zip Code 27401  
City Area Code 336  
Local Phone Number 332-3400  
Title of 12(b) Security Common Stock, no par value  
Trading Symbol KTB  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   57,205,370
Amendment Flag false  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q3  
Entity Central Index Key 0001760965  
Current Fiscal Year End Date --12-28