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Segment Information - Segment Revenue by Geographic Areas (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 30, 2018 | Mar. 31, 2017 | [1]
Segment Reporting Information [Line Items] |  |  |
Revenue | $ 742.2 | $ 610.6 | [2],[3]
North America [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 382.3 | 321.7 |
Europe [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 226.4 | 164.4 |
Asia Pacific [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 94.6 | 84.5 |
Rest of World [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 38.9 | 40.0 |
Buildings and Infrastructure [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 224.7 | 186.5 | [3]
Buildings and Infrastructure [Member] | North America [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 113.3 | 96.7 |
Buildings and Infrastructure [Member] | Europe [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 75.6 | 57.5 |
Buildings and Infrastructure [Member] | Asia Pacific [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 29.2 | 23.6 |
Buildings and Infrastructure [Member] | Rest of World [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 6.6 | 8.7 |
Geospatial [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 174.5 | 149.6 | [3]
Geospatial [Member] | North America [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 69.4 | 55.2 |
Geospatial [Member] | Europe [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 49.6 | 41.5 |
Geospatial [Member] | Asia Pacific [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 43.3 | 40.4 |
Geospatial [Member] | Rest of World [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 12.2 | 12.5 |
Resources and Utilities [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 159.2 | 120.2 | [3]
Resources and Utilities [Member] | North America [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 48.4 | 42.1 |
Resources and Utilities [Member] | Europe [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 79.9 | 49.2 |
Resources and Utilities [Member] | Asia Pacific [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 11.3 | 11.3 |
Resources and Utilities [Member] | Rest of World [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 19.6 | 17.6 |
Transportation [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 183.8 | 154.3 | [3]
Transportation [Member] | North America [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 151.2 | 127.7 |
Transportation [Member] | Europe [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 21.3 | 16.2 |
Transportation [Member] | Asia Pacific [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 10.8 | 9.2 |
Transportation [Member] | Rest of World [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | $ 0.5 | $ 1.2 |
[1] | Adjusted to reflect adoption of the new revenue recognition standard, Revenue from Contracts with Customers. For further information, see Note 2.
[2] | See Note 2 for a summary of adjustments
[3] | See Note 2 for a summary of adjustments

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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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