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Document and Entity Information - shares
6 Months Ended
Jul. 01, 2017
Aug. 01, 2017
Document And Entity Information [Abstract]    
Entity Central Index Key MOHAWK INDUSTRIES INC  
Entity Central Index Key 0000851968  
Current Fiscal Year End Date --12-31  
Entity Filer Category Large Accelerated Filer  
Document Type 10-Q  
Document Period End Date Jul. 01, 2017  
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus Q2  
Amendment Flag false  
Entity Common Stock, Shares Outstanding   74,338,177