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Document And Entity Information (USD $)
 12 Months Ended
Dec. 28, 2013
Jan. 25, 2014
Jun. 28, 2013
Entity Information [Line Items]      
Entity Registrant Name TRACTOR SUPPLY CO /DE/    
Entity Central Index Key 0000916365    
Current Fiscal Year End Date --12-28    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Large Accelerated Filer    
Entity Public Float     $ 7,000,000,000
Entity Common Stock, Shares Outstanding   139,559,289  
Document Fiscal Year Focus 2013    
Document Fiscal Period Focus FY    
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 28, 2013