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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