Amount of incremental credit facility which will result in modification of debt covenants

No definition available.

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

- Definition

Swingline Loan, Maximum Borrowing Capacity

+ References

No definition available.

+ Details

Name:	tsco_SwinglineLoanMaximumBorrowingCapacity
Namespace Prefix:	tsco_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Term Loan, Maximum Borrowing Capacity

+ References

No definition available.

+ Details

Name:	tsco_TermLoanMaximumBorrowingCapacity
Namespace Prefix:	tsco_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Term loan, Maximum Month End Outstanding Amount

+ References

No definition available.

+ Details

Name:	tsco_TermloanMaximumMonthEndOutstandingAmount
Namespace Prefix:	tsco_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Unsecured debt, net of debt issuance costs

+ References

No definition available.

+ Details

Name:	tsco_Unsecureddebtnetofdebtissuancecosts
Namespace Prefix:	tsco_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of a specific compensating balance arrangement that is maintained under an agreement for a bank loan or future credit availability.

+ References

+ Details

Name:	us-gaap_CompensatingBalanceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

States whether the entity was in compliance with the debt covenants throughout the reporting period, and describes facts and circumstances of any compliance failure.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentCovenantCompliance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of minimum financial levels (for example, tangible net worth and working capital) and achievement of certain financial ratios (for example, working capital ratio and debt service coverage ratio), and adherence to certain clauses which generally require or restrict certain actions (for example, entering into a debt arrangement with equal or greater seniority, and selling or discontinuing a certain business segment or material subsidiary) to be in compliance with the covenant clauses of the debt agreement. May also include a discussion of the adverse consequences that would result if the entity violates or fails to satisfy the covenants.

+ References

+ Details

Name:	us-gaap_DebtInstrumentCovenantDescription
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of the required periodic payments including both interest and principal payments.

+ References

+ Details

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

- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

+ Details

Name:	us-gaap_DeferredFinanceCostsNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- 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

- Definition

The effective interest rate at the end of the reporting period.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum month-end amount borrowed under the credit facility during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(13))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

+ Details

Name:	us-gaap_LongTermDebtNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer).

+ References

+ Details

Name:	us-gaap_UnsecuredDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of the portion of long-term, uncollateralized debt obligations due within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16)(a)(1))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(13))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

+ Details

Name:	us-gaap_UnsecuredDebtCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_BaseRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=tsco_April2020TermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=tsco_April2020TermLoanMaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=tsco_April2020TermLoanAdditionalMinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=tsco_April2020TermLoanAdditionalMaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=tsco_April2020TermLoanMinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tsco_February2016TermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tsco_DueinyearsoneandtwoFebruary2016TermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tsco_DueinyearsthreethroughfiveFebruary2016TermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tsco_June2017TermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tsco_DueinyearsoneandtwoJune2017TermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tsco_DueinyearsthreethroughfiveJune2017TermLoanMemberMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tsco_March2020TermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tsco_April2020TermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=tsco_NumberofFinancialCovenantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=tsco_A2016SeniorCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=tsco_FixedChargeCoverageRatioMinimumRequirementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=tsco_LeverageRatioMaximumRequirementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Senior Credit Facility - Credit Agreement (Details) - USD ($)					3 Months Ended			6 Months Ended
	Mar. 12, 2020	Sep. 28, 2019	Jun. 15, 2017	Feb. 19, 2016	Jun. 27, 2020	Mar. 28, 2020	Jun. 29, 2019	Jun. 27, 2020	Dec. 28, 2019
Line of Credit Facility [Line Items]
Unsecured Debt					$ 917,500,000		$ 490,000,000.0	$ 917,500,000	$ 397,500,000
Unamortized Debt Issuance Costs					(1,400,000)		(1,200,000)	(1,400,000)	(1,000,000.0)
Unsecured debt, net of debt issuance costs					916,100,000		488,800,000	916,100,000	396,500,000
Unsecured Debt, Current					(380,000,000)		(22,500,000)	(380,000,000)	(30,000,000)
Long-term Debt, Excluding Current Maturities					536,051,000		466,290,000	536,051,000	366,480,000
Letters of Credit Outstanding, Amount					$ 52,400,000		37,300,000	$ 52,400,000	32,000,000.0
Senior credit facility, maximum borrowing capacity				$ 500,000,000
Swingline Loan, Maximum Borrowing Capacity				50,000,000
Debt instrument, basis spread on variable rate					0.75%
Commitment fee for unused capacity		0.125%
Debt Instrument, Interest Rate, Stated Percentage - June 2017 Term Loan					1.00%			1.00%
Compensating Balance, Amount					$ 0			$ 0
Debt Instrument, Covenant Compliance		all
Amount of incremental credit facility which will result in modification of debt covenants					$100 million or greater
Base Rate
Line of Credit Facility [Line Items]
Line of Credit Facility, Interest Rate at Period End					3.25%			3.25%
London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Line of Credit Facility, Interest Rate at Period End					0.178%			0.178%
April 2020 Term Loan
Line of Credit Facility [Line Items]
Line of Credit Facility, Interest Rate at Period End					1.75%			1.75%
Minimum
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate					0.50%
Commitment fee for unused capacity					0.075%
Maximum
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate					1.125%
Commitment fee for unused capacity					0.20%
April 2020 Term Loan Maximum [Member]
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate					1.50%
April 2020 Term Loan Additional Minimum [Member]
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate					1.25%
April 2020 Term Loan Additional Maximum [Member]
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate					2.50%
April 2020 Term Loan Minimum [Member]
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate					0.25%
February 2016 Term Loan
Line of Credit Facility [Line Items]
Notional Amount, Current					$ 135,000,000.0		150,000,000.0	$ 135,000,000.0	145,000,000.0
Term Loan, Maximum Borrowing Capacity				$ 200,000,000
Due in years one and two February 2016 Term Loan [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Amount of Periodic Payment								10,000,000
Due in years three through Maturity February 2016 Term Loan [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Amount of Periodic Payment								20,000,000
June 2017 Term Loan
Line of Credit Facility [Line Items]
Notional Amount, Current					82,500,000		90,000,000.0	82,500,000	87,500,000
Term Loan, Maximum Borrowing Capacity			$ 100,000,000
Due in years one and two June 2017 Term Loan [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Amount of Periodic Payment					5,000,000
Due in years three through five June 2017 Term Loan [Member] [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Amount of Periodic Payment					10,000,000
Term Loan (Member) [Member]
Line of Credit Facility [Line Items]
Notional Amount, Current					$ 200,000,000.0		0	200,000,000.0	0
Term Loan, Maximum Borrowing Capacity	$ 200,000,000
Debt instrument, basis spread on variable rate					0.75%
April 2020 Term Loan
Line of Credit Facility [Line Items]
Notional Amount, Current					$ 350,000,000.0		0	$ 350,000,000.0	$ 0
Term Loan, Maximum Borrowing Capacity	$ 350,000,000
Debt instrument, basis spread on variable rate					0.75%
Amount of incremental credit facility which will result in modification of debt covenants								650 million
Number of Financial Covenants [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Covenant Description					two material covenants
2016 Senior Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Month-end Outstanding Amount					$ 0	$ 15,000,000.0	$ 100,000,000.0
Fixed Charge Coverage Ratio Minimum Requirement [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Covenant Description					2.00 to 1.0
Leverage Ratio Maximum Requirement [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Covenant Description					4.00 to 1.0