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Exit and Disposal Activities - Summary of Exit and Disposal Activities (Details) - USD ($) $ in Millions | 12 Months Ended
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Jan. 02, 2021 | Dec. 28, 2019
Restructuring Cost and Reserve [Line Items] |  |
Exit and disposal costs | $ 12.5 | $ 0.0
Commercial & Industrial Group |  |
Restructuring Cost and Reserve [Line Items] |  |
Exit and disposal costs | 6.4 |
Repair Systems & Information Group |  |
Restructuring Cost and Reserve [Line Items] |  |
Exit and disposal costs | 5.5 |
Snap-on Tools Group |  |
Restructuring Cost and Reserve [Line Items] |  |
Exit and disposal costs | 0.6 |
Cost of goods sold: |  |
Restructuring Cost and Reserve [Line Items] |  |
Exit and disposal costs | 7.1 |
Cost of goods sold: | Commercial & Industrial Group |  |
Restructuring Cost and Reserve [Line Items] |  |
Exit and disposal costs | 6.4 |
Cost of goods sold: | Repair Systems & Information Group |  |
Restructuring Cost and Reserve [Line Items] |  |
Exit and disposal costs | 0.7 |
Operating expenses |  |
Restructuring Cost and Reserve [Line Items] |  |
Exit and disposal costs | 5.4 |
Operating expenses | Repair Systems & Information Group |  |
Restructuring Cost and Reserve [Line Items] |  |
Exit and disposal costs | 4.8 |
Operating expenses | Snap-on Tools Group |  |
Restructuring Cost and Reserve [Line Items] |  |
Exit and disposal costs | $ 0.6 |

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- 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 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: 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=121586364&loc=d3e3602-108585 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747 + Details
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- 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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