Segment Information - Segment Revenue by Geographic Areas (Details) - Operating Segments [Member] - USD ($) $ in Millions	3 Months Ended
	Mar. 29, 2019	Mar. 30, 2018
Segment Reporting Information [Line Items]
Segment Revenues	$ 804.5	$ 745.1
North America [Member]
Segment Reporting Information [Line Items]
Segment Revenues	422.4	384.9
Europe [Member]
Segment Reporting Information [Line Items]
Segment Revenues	248.6	226.8
Asia Pacific [Member]
Segment Reporting Information [Line Items]
Segment Revenues	93.4	94.5
Rest of World [Member]
Segment Reporting Information [Line Items]
Segment Revenues	40.1	38.9
Buildings and Infrastructure [Member]
Segment Reporting Information [Line Items]
Segment Revenues	294.7	227.2
Buildings and Infrastructure [Member] | North America [Member]
Segment Reporting Information [Line Items]
Segment Revenues	165.6	115.9
Buildings and Infrastructure [Member] | Europe [Member]
Segment Reporting Information [Line Items]
Segment Revenues	83.9	75.6
Buildings and Infrastructure [Member] | Asia Pacific [Member]
Segment Reporting Information [Line Items]
Segment Revenues	38.5	29.2
Buildings and Infrastructure [Member] | Rest of World [Member]
Segment Reporting Information [Line Items]
Segment Revenues	6.7	6.5
Geospatial [Member]
Segment Reporting Information [Line Items]
Segment Revenues	161.2	174.5
Geospatial [Member] | North America [Member]
Segment Reporting Information [Line Items]
Segment Revenues	62.9	69.4
Geospatial [Member] | Europe [Member]
Segment Reporting Information [Line Items]
Segment Revenues	54.7	49.6
Geospatial [Member] | Asia Pacific [Member]
Segment Reporting Information [Line Items]
Segment Revenues	31.7	43.3
Geospatial [Member] | Rest of World [Member]
Segment Reporting Information [Line Items]
Segment Revenues	11.9	12.2
Resources and Utilities [Member]
Segment Reporting Information [Line Items]
Segment Revenues	159.5	159.5
Resources and Utilities [Member] | North America [Member]
Segment Reporting Information [Line Items]
Segment Revenues	41.9	48.4
Resources and Utilities [Member] | Europe [Member]
Segment Reporting Information [Line Items]
Segment Revenues	88.9	80.2
Resources and Utilities [Member] | Asia Pacific [Member]
Segment Reporting Information [Line Items]
Segment Revenues	12.7	11.2
Resources and Utilities [Member] | Rest of World [Member]
Segment Reporting Information [Line Items]
Segment Revenues	16.0	19.7
Transportation [Member]
Segment Reporting Information [Line Items]
Segment Revenues	189.1	183.9
Transportation [Member] | North America [Member]
Segment Reporting Information [Line Items]
Segment Revenues	152.0	151.2
Transportation [Member] | Europe [Member]
Segment Reporting Information [Line Items]
Segment Revenues	21.1	21.4
Transportation [Member] | Asia Pacific [Member]
Segment Reporting Information [Line Items]
Segment Revenues	10.5	10.8
Transportation [Member] | Rest of World [Member]
Segment Reporting Information [Line Items]
Segment Revenues	$ 5.5	$ 0.5