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Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended |
--- | --- | ---
Dec. 27, 2014 | Dec. 28, 2013
Letter of Credit [Abstract] |  |
Letters of Credit Outstanding, Amount | $ 40.7 us-gaap_LettersOfCreditOutstandingAmount | $ 38.2 us-gaap_LettersOfCreditOutstandingAmount
Letter Of Credit Outstanding Outside Of Credit Agreement | 18.3 tsco_LetterOfCreditOutstandingOutsideOfCreditAgreement |
Number of vendors, EPA Compliance Issue | 1 tsco_NumberOfVendorsCompanyPurchasedEngines |
New Store Construction Projects |  |
Construction Commitments |  |
Construction projects for new stores | 17.8 tsco_BuildingCommitmentNewStoresAmount / us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis = tsco_NewStoreConstructionProjectsMember |
DC Construction Projects |  |
Construction Commitments |  |
Property and construction commitments | $ 41.0 us-gaap_OtherCommitment / us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis = tsco_DcconstructionprojectsMember |

X
- Definition The minimum amount the entity agreed to commit for new store construction. + References No definition available. + Details
Name: | tsco_BuildingCommitmentNewStoresAmount
Namespace Prefix: | tsco_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | tsco_ConstructionCommitmentsAbstract
Namespace Prefix: | tsco_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | tsco_LetterOfCreditAbstract
Namespace Prefix: | tsco_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition A document issued by a financial institution outside of our Credit Agreement which acts as a guarantee of payment to a beneficiary, or as the source of payment for a specific transaction (for example, wiring funds to a foreign exporter if and when specified merchandise is accepted pursuant to the terms of the letter of credit). + References No definition available. + Details
Name: | tsco_LetterOfCreditOutstandingOutsideOfCreditAgreement
Namespace Prefix: | tsco_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Number of vendors the company purchased the engines from. + References No definition available. + Details
Name: | tsco_NumberOfVendorsCompanyPurchasedEngines
Namespace Prefix: | tsco_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
Name: | us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
Name: | us-gaap_OtherCommitment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis=tsco_DcconstructionprojectsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis=tsco_NewStoreConstructionProjectsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |