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Segment Reporting (Details) - segment		12 Months Ended
	Dec. 29, 2018	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Revenue from External Customer
Number of Reportable Segments	1
Average percent of sales (in hundredths)		100.00%	100.00%	100.00%
Livestock and Pet
Revenue from External Customer
Average percent of sales (in hundredths)		47.00%	47.00%	46.00%
Hardware, Tools and Truck
Revenue from External Customer
Average percent of sales (in hundredths)		22.00%	22.00%	22.00%
Seasonal, Gift and Toy Products
Revenue from External Customer
Average percent of sales (in hundredths)		19.00%	19.00%	19.00%
Clothing and Footwear
Revenue from External Customer
Average percent of sales (in hundredths)		8.00%	8.00%	8.00%
Agriculture
Revenue from External Customer
Average percent of sales (in hundredths)		4.00%	4.00%	5.00%

X

- Definition

The percentage of net product revenue to total net revenue from the sale of goods.

+ References

No definition available.

+ Details

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

X

- 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

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

X

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfReportableSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_ProductOrServiceAxis=tsco_LivestockAndPetMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ProductOrServiceAxis=tsco_HardwareToolsAndTruckMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ProductOrServiceAxis=tsco_SeasonalGiftAndToyProductsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ProductOrServiceAxis=tsco_ClothingAndFootwareMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ProductOrServiceAxis=tsco_AgricultureMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: