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Retirement Benefit Plans (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Dec. 25, 2010
Schedule Defined Contribution Benefit Plan [Line Items]
Percentage match by company applicable to first 3 percent of employee's contribution	100.00%
Percentage match by company applicable to next 3 percent of employee's contribution	50.00%
Maximum percentage of employee's eligible compensation eligible for 100% match (in hundredths)	3.00%
Maximum percentage of employee's compensation eligible for 50% match	6.00%
Company maximum match as a percentage of eligible compensation (in hundredths)	4.50%
Defined Contribution Plan, Cost Recognized	$ 4.4	$ 4.3	$ 3.7

X

- Definition

Represents the maximum company match as a percentage of eligible compensation to be paid by the entity in a defined contribution plan.

+ References

No definition available.

+ Details

Name:	tsco_CompanyMaximumMatchAsPercentageOfEligibleCompensation
Namespace Prefix:	tsco_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the maximum percentage of employee's compensation eligible for 100% match to be paid by the entity in a defined contribution plan.

+ References

No definition available.

+ Details

Name:	tsco_MaximumPercentageOfEmployeesCompensationEligibleFor100Match
Namespace Prefix:	tsco_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the maximum percentage of employee's compensation eligible for 50% match to be paid by the entity in a defined contribution plan.

+ References

No definition available.

+ Details

Name:	tsco_MaximumPercentageOfEmployeessCompensationEligibleFor50Match
Namespace Prefix:	tsco_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the percentage matched by company in a defined benefit plan, applicable to 0-3% of employee's contribution.

+ References

No definition available.

+ Details

Name:	tsco_PercentageMatchByCompanyApplicableToFirst3PercentOfEmployeesContribution
Namespace Prefix:	tsco_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the percentage matched by company in a defined benefit plan, applicable to the next 3-6% of employee's contribution.

+ References

No definition available.

+ Details

Name:	tsco_PercentageMatchByCompanyApplicableToNext3PercentOfEmployeesContribution
Namespace Prefix:	tsco_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	tsco_ScheduleDefinedContributionBenefitPlanLineItems
Namespace Prefix:	tsco_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amount of the cost recognized during the period for defined contribution plans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 70

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 11

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Name:	us-gaap_DefinedContributionPlanCostRecognized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration