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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	$ 40.7us-gaap_LettersOfCreditOutstandingAmount	$ 38.2us-gaap_LettersOfCreditOutstandingAmount
Letter Of Credit Outstanding Outside Of Credit Agreement	18.3tsco_LetterOfCreditOutstandingOutsideOfCreditAgreement
Number of vendors, EPA Compliance Issue	1tsco_NumberOfVendorsCompanyPurchasedEngines
New Store Construction Projects
Construction Commitments
Construction projects for new stores	17.8tsco_BuildingCommitmentNewStoresAmount / us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis = tsco_NewStoreConstructionProjectsMember
DC Construction Projects
Construction Commitments
Property and construction commitments	$ 41.0us-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: