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Retirement Benefit Plans (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 26, 2015	Dec. 27, 2014
Schedule Defined Contribution Benefit Plan
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%
Minimum percentage of employee's compensation eligible for 50% match	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	$ 6.6	$ 5.9	$ 5.6

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 minimum 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_MinimumPercentageofEmployeesCompensationEligibleFor50Match
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

- References

No definition available.

+ 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=49170846&loc=d3e28014-114942

+ Details

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