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Retirement Benefit Plans Deferred Compensation (Details) - USD ($)	12 Months Ended
	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Schedule of Deferred Compensation
Company's maximum match under employee deferred compensation program	$ 4,500
Deferred compensation arrangement with individual, employer contribution	$ 600,000	$ 500,000	$ 600,000

X

- Definition

The maximum amount of Company match under the employee deferred compensation program.

+ References

No definition available.

+ Details

Name:	tsco_CompanyMaximumMatchUnderDeferredCompensationProgram
Namespace Prefix:	tsco_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

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

X

- Definition

Amount of contributions made by employer into fund established for purposes of making future disbursement to individual in accordance with deferred compensation arrangement.

+ References

No definition available.

+ Details

Name:	us-gaap_DeferredCompensationArrangementWithIndividualContributionsByEmployer
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration