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Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended |
--- | --- | ---
Dec. 29, 2012 | Jan. 03, 2013
Construction Commitments |  |
Property and construction commitments |  | $ 59.0
Number of vendors, EPA Compliance Issue | 1 |
DC Construction Projects [Member] |  |
Construction Commitments |  |
Property and construction commitments | 24.4 |
New Store Construction Projects [Member] |  |
Construction Commitments |  |
Construction projects for new stores | 3.1 |
Store Previously Under Lease [Member] |  |
Construction Commitments |  |
Number of stores, commitment to purchase | 1 |
Property and construction commitments | 3.3 |
Purchase Commitment [Member] |  |
Construction Commitments |  |
Property and construction commitments | 1.1 |

X
- Definition tsco_BuildingCommitmentDistributionCenter + References No definition available. + Details
Name: | tsco_Buildingcommitmentdistributioncenter
Namespace Prefix: | tsco_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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
- Definition The number of stores the company has committed to purchase. + References No definition available. + Details
Name: | tsco_NumberOfStoresCommitmentToPurchase
Namespace Prefix: | tsco_
Data Type: | xbrli:integerItemType
Balance Type: | na
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 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