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Revenue Recognition - Revenue Disaggregation (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 03, 2021 | Jun. 27, 2020 | Jul. 03, 2021 | Jun. 27, 2020
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | $ 1,075.3 | $ 718.4 | $ 2,094.1 | $ 1,565.0
Net sales | 1,168.3 | 808.9 | 2,281.5 | 1,747.0
Intersegment eliminations |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | (151.8) | (105.9) | (298.8) | (244.1)
Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 1,233.2 | 830.2 | 2,404.8 | 1,820.6
Commercial & Industrial Group |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 350.5 | 261.9 | 696.2 | 561.8
Commercial & Industrial Group | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 350.5 | 261.9 | 696.2 | 561.8
Snap-on Tools Group |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 484.1 | 323.3 | 962.4 | 699.2
Snap-on Tools Group | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 484.1 | 323.3 | 962.4 | 699.2
Repair Systems & Information Group |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 398.6 | 245.0 | 746.2 | 559.6
Repair Systems & Information Group | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 398.6 | 245.0 | 746.2 | 559.6
Financial Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 86.9 | 84.6 | 175.5 | 170.5
Other revenues |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 6.1 | 5.9 | 11.9 | 11.5
Excluding Financial Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 1,081.4 | 724.3 | 2,106.0 | 1,576.5
Excluding Financial Services | Vehicle service professionals |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 832.4 | 539.8 | 1,610.0 | 1,184.4
Excluding Financial Services | All other professionals |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 249.0 | 184.5 | 496.0 | 392.1
Excluding Financial Services | Intersegment eliminations |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | (151.8) | (105.9) | (298.8) | (244.1)
Excluding Financial Services | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 1,081.4 | 724.3 | 2,106.0 | 1,576.5
Excluding Financial Services | Commercial & Industrial Group |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 274.7 | 204.5 | 545.8 | 431.5
Excluding Financial Services | Commercial & Industrial Group | Vehicle service professionals |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 25.7 | 20.0 | 49.8 | 39.4
Excluding Financial Services | Commercial & Industrial Group | All other professionals |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 249.0 | 184.5 | 496.0 | 392.1
Excluding Financial Services | Commercial & Industrial Group | Intersegment eliminations |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 75.8 | 57.4 | 150.4 | 130.3
Excluding Financial Services | Commercial & Industrial Group | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 350.5 | 261.9 | 696.2 | 561.8
Excluding Financial Services | Snap-on Tools Group |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 484.1 | 323.3 | 962.4 | 699.2
Excluding Financial Services | Snap-on Tools Group | Vehicle service professionals |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 484.1 | 323.3 | 962.4 | 699.2
Excluding Financial Services | Snap-on Tools Group | All other professionals |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0.0 | 0.0 | 0.0 | 0.0
Excluding Financial Services | Snap-on Tools Group | Intersegment eliminations |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0.0 | 0.0 | 0.0 | 0.0
Excluding Financial Services | Snap-on Tools Group | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 484.1 | 323.3 | 962.4 | 699.2
Excluding Financial Services | Repair Systems & Information Group |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 322.6 | 196.5 | 597.8 | 445.8
Excluding Financial Services | Repair Systems & Information Group | Vehicle service professionals |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 322.6 | 196.5 | 597.8 | 445.8
Excluding Financial Services | Repair Systems & Information Group | All other professionals |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0.0 | 0.0 | 0.0 | 0.0
Excluding Financial Services | Repair Systems & Information Group | Intersegment eliminations |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 76.0 | 48.5 | 148.4 | 113.8
Excluding Financial Services | Repair Systems & Information Group | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 398.6 | 245.0 | 746.2 | 559.6
Excluding Financial Services | Financial Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0.0 | 0.0 | 0.0 | 0.0
Excluding Financial Services | Financial Services | Vehicle service professionals |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0.0 | 0.0 | 0.0 | 0.0
Excluding Financial Services | Financial Services | All other professionals |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0.0 | 0.0 | 0.0 | 0.0
Excluding Financial Services | Financial Services | Intersegment eliminations |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0.0 | 0.0 | 0.0 | 0.0
Excluding Financial Services | Financial Services | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0.0 | 0.0 | 0.0 | 0.0
Excluding Financial Services | North America |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 779.7 | 536.9 | 1,506.7 | 1,150.0
Excluding Financial Services | North America | Commercial & Industrial Group |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 126.6 | 96.9 | 244.6 | 205.8
Excluding Financial Services | North America | Snap-on Tools Group |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 416.3 | 291.5 | 824.4 | 618.4
Excluding Financial Services | North America | Repair Systems & Information Group |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 236.8 | 148.5 | 437.7 | 325.8
Excluding Financial Services | North America | Financial Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0.0 | 0.0 | 0.0 | 0.0
Excluding Financial Services | Europe |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 189.5 | 109.3 | 378.6 | 264.1
Excluding Financial Services | Europe | Commercial & Industrial Group |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 79.2 | 54.9 | 163.5 | 122.0
Excluding Financial Services | Europe | Snap-on Tools Group |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 43.8 | 17.5 | 88.0 | 48.6
Excluding Financial Services | Europe | Repair Systems & Information Group |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 66.5 | 36.9 | 127.1 | 93.5
Excluding Financial Services | Europe | Financial Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0.0 | 0.0 | 0.0 | 0.0
Excluding Financial Services | All other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 112.2 | 78.1 | 220.7 | 162.4
Excluding Financial Services | All other | Commercial & Industrial Group |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 68.9 | 52.7 | 137.7 | 103.7
Excluding Financial Services | All other | Snap-on Tools Group |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 24.0 | 14.3 | 50.0 | 32.2
Excluding Financial Services | All other | Repair Systems & Information Group |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 19.3 | 11.1 | 33.0 | 26.5
Excluding Financial Services | All other | Financial Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0.0 | 0.0 | 0.0 | 0.0
Financial Service |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 86.9 | 84.6 | 175.5 | 170.5
Financial Service | Intersegment eliminations |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0.0 | 0.0 | 0.0 | 0.0
Financial Service | Commercial & Industrial Group |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0.0 | 0.0 | 0.0 | 0.0
Financial Service | Snap-on Tools Group |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0.0 | 0.0 | 0.0 | 0.0
Financial Service | Repair Systems & Information Group |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0.0 | 0.0 | 0.0 | 0.0
Financial Service | Financial Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | $ 86.9 | $ 84.6 | $ 175.5 | $ 170.5

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