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Exit and Disposal Activities - Summary of Exit and Disposal Activities (Details) - USD ($)	3 Months Ended		9 Months Ended
	Oct. 02, 2021	Sep. 26, 2020	Oct. 02, 2021	Sep. 26, 2020
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs	$ 0	$ 0	$ 0	$ 11,500,000
Commercial & Industrial Group
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs			0	6,400,000
Repair Systems & Information Group
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs			0	4,500,000
Snap-on Tools Group
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs			0	600,000
Cost of goods sold:
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs			0	7,100,000
Cost of goods sold: | Commercial & Industrial Group
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs			0	6,400,000
Cost of goods sold: | Repair Systems & Information Group
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs			0	700,000
Operating Expenses:
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs			0	4,400,000
Operating Expenses: | Repair Systems & Information Group
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs			0	3,800,000
Operating Expenses: | Snap-on Tools Group
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs			$ 0	$ 600,000

X

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. Excludes expenses associated with special or contractual termination benefits, a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585

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- Definition

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+ References

No definition available.

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