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v3.19.3.a.u2

Reporting Segment And Geographic Information (Segment Revenue by Geography) (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 03, 2020 | Sep. 27, 2019 | Jun. 28, 2019 | Mar. 29, 2019 | Dec. 28, 2018 | Sep. 28, 2018 | Jun. 29, 2018 | Mar. 30, 2018 | Jan. 03, 2020 | Dec. 28, 2018 | Dec. 29, 2017
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue | $ 824.0 | $ 783.9 | $ 854.8 | $ 801.6 | $ 785.5 | $ 795.2 | $ 785.5 | $ 742.2 | $ 3,264.3 | $ 3,108.4 | $ 2,646.5
Building and Infrastructure [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 1,254.2 | 1,065.5 | 829.4
Geospatial [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 649.4 | 723.1 | 658.5
Resources and Utilities [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 568.4 | 567.1 | 481.0
Transportation [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 792.3 | 752.7 | 677.6
Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 3,271.3 | 3,132.0 | 2,649.3
Operating Segments [Member] | Building and Infrastructure [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 1,258.2 | 1,087.7 | 830.5
Operating Segments [Member] | Geospatial [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 649.4 | 723.1 | 658.5
Operating Segments [Member] | Resources and Utilities [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 571.4 | 568.1 | 482.0
Operating Segments [Member] | Transportation [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 792.3 | 753.1 | 678.3
North America [Member] | Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 1,795.3 | 1,670.0 | 1,412.6
North America [Member] | Operating Segments [Member] | Building and Infrastructure [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 722.7 | 595.0 | 428.5
North America [Member] | Operating Segments [Member] | Geospatial [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 263.0 | 290.6 | 257.5
North America [Member] | Operating Segments [Member] | Resources and Utilities [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 173.3 | 175.0 | 163.7
North America [Member] | Operating Segments [Member] | Transportation [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 636.3 | 609.4 | 562.9
Europe [Member] | Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 920.2 | 873.5 | 687.2
Europe [Member] | Operating Segments [Member] | Building and Infrastructure [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 338.7 | 312.1 | 237.9
Europe [Member] | Operating Segments [Member] | Geospatial [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 217.5 | 211.2 | 187.1
Europe [Member] | Operating Segments [Member] | Resources and Utilities [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 273.6 | 260.0 | 189.5
Europe [Member] | Operating Segments [Member] | Transportation [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 90.4 | 90.2 | 72.7
Asia Pacific [Member] | Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 375.1 | 418.3 | 380.0
Asia Pacific [Member] | Operating Segments [Member] | Building and Infrastructure [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 165.3 | 152.7 | 127.2
Asia Pacific [Member] | Operating Segments [Member] | Geospatial [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 122.7 | 171.7 | 162.5
Asia Pacific [Member] | Operating Segments [Member] | Resources and Utilities [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 47.4 | 46.4 | 52.6
Asia Pacific [Member] | Operating Segments [Member] | Transportation [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 39.7 | 47.5 | 37.7
Rest of World [Member] | Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 180.7 | 170.2 | 169.5
Rest of World [Member] | Operating Segments [Member] | Building and Infrastructure [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 31.5 | 27.9 | 36.9
Rest of World [Member] | Operating Segments [Member] | Geospatial [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 46.2 | 49.6 | 51.4
Rest of World [Member] | Operating Segments [Member] | Resources and Utilities [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 77.1 | 86.7 | 76.2
Rest of World [Member] | Operating Segments [Member] | Transportation [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | $ 25.9 | $ 6.0 | $ 5.0

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