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v3.19.2

General (Details) $ in Thousands | 6 Months Ended
--- | ---
Jun. 29, 2019 USD ($) store state | Jun. 30, 2018 USD ($)
Nature of business [Abstract] |  |
Number of rural lifestyle retail stores operated by the company | 1,967 |
Number of states in which rural lifestyle retail stores are operated by the company | state | 49 |
Adoption of ASC 842 | $ | $ 2,084,880 | $ 0
Adoption of ASU 2017-12 | $ | $ 700 |
TSCO stores [Domain] |  |
Nature of business [Abstract] |  |
Number of rural lifestyle retail stores operated by the company | 1,790 |
Petsense stores [Domain] |  |
Nature of business [Abstract] |  |
Number of rural lifestyle retail stores operated by the company | 177 |

X
- Definition Adoption of ASU 2017-12 + References No definition available. + Details
Name: | tsco_AdoptionofASU201712
Namespace Prefix: | tsco_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- References No definition available. + Details
Name: | tsco_NatureOfBusinessAbstract
Namespace Prefix: | tsco_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the quantification of the effect of adopting the new accounting standard or change in accounting principle expected by the entity to have a significant effect on the entity's financial statements. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition The number of states the entity operates in as of the balance sheet date. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition Represents the number of stores. + References No definition available. + Details
Name: | us-gaap_NumberOfStores
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Details
Name: | tsco_ConsolidatedStoresAxis=tsco_TSCOstoresDomain
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | tsco_ConsolidatedStoresAxis=tsco_PetsensestoresDomain
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |