XML 14 R25.htm IDEA: XBRL DOCUMENT v2.4.1.9
Credit Agreement (Details) (USD $)
3 Months Ended
Mar. 28, 2015
Dec. 27, 2014
Mar. 29, 2014
Line of Credit Facility [Line Items]      
Commitment fee for unused capacity 0.08%us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage    
Debt Instrument, Basis Spread on Variable Rate 0.40%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1    
Senior credit facility, maximum borrowing capacity $ 400,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity    
Swing loan maximum borrowing capacity 30,000,000us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity    
Line of credit facility, expiration date Oct. 31, 2016    
Senior credit facility amount outstanding 60,000,000us-gaap_LineOfCredit 0us-gaap_LineOfCredit 80,000,000us-gaap_LineOfCredit
Letters of credit under senior credit facility amount outstanding $ 50,500,000us-gaap_LettersOfCreditOutstandingAmount   $ 42,600,000us-gaap_LettersOfCreditOutstandingAmount
Bank's base rate 3.25%tsco_BanksBaseRate    
London inter-bank offer rate 0.18%tsco_LondonInterBankOfferRate    
Minimum [Member]      
Line of Credit Facility [Line Items]      
Commitment fee for unused capacity 0.08%us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
   
Debt Instrument, Basis Spread on Variable Rate 0.40%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
   
Maximum [Member]      
Line of Credit Facility [Line Items]      
Commitment fee for unused capacity 0.20%us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
   
Debt Instrument, Basis Spread on Variable Rate 1.00%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
   
London Interbank Offered Rate (LIBOR) [Member]      
Line of Credit Facility [Line Items]      
Line of Credit Facility, Interest Rate Description LIBOR plus 0.18%    
Base Rate [Member]      
Line of Credit Facility [Line Items]      
Line of Credit Facility, Interest Rate Description bank’s base rate 3.25%