Segment Information (Segment Revenue by Geographic Areas) (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 01, 2022	Apr. 02, 2021
Operating segment
Segment Reporting Information [Line Items]
Revenue	$ 993.7	$ 886.7
North America | Operating segment
Segment Reporting Information [Line Items]
Revenue	498.4	450.4
Europe | Operating segment
Segment Reporting Information [Line Items]
Revenue	319.2	280.2
Asia Pacific | Operating segment
Segment Reporting Information [Line Items]
Revenue	115.5	109.8
Rest of World | Operating segment
Segment Reporting Information [Line Items]
Revenue	60.6	46.3
United States
Segment Reporting Information [Line Items]
Revenue	447.0	406.8
Buildings and Infrastructure | Operating segment
Segment Reporting Information [Line Items]
Revenue	397.6	343.1
Buildings and Infrastructure | North America | Operating segment
Segment Reporting Information [Line Items]
Revenue	231.9	199.8
Buildings and Infrastructure | Europe | Operating segment
Segment Reporting Information [Line Items]
Revenue	112.3	94.3
Buildings and Infrastructure | Asia Pacific | Operating segment
Segment Reporting Information [Line Items]
Revenue	46.9	43.6
Buildings and Infrastructure | Rest of World | Operating segment
Segment Reporting Information [Line Items]
Revenue	6.5	5.4
Geospatial | Operating segment
Segment Reporting Information [Line Items]
Revenue	207.5	181.7
Geospatial | North America | Operating segment
Segment Reporting Information [Line Items]
Revenue	83.4	72.5
Geospatial | Europe | Operating segment
Segment Reporting Information [Line Items]
Revenue	71.2	60.4
Geospatial | Asia Pacific | Operating segment
Segment Reporting Information [Line Items]
Revenue	42.0	37.5
Geospatial | Rest of World | Operating segment
Segment Reporting Information [Line Items]
Revenue	10.9	11.3
Resources and Utilities | Operating segment
Segment Reporting Information [Line Items]
Revenue	229.9	205.2
Resources and Utilities | North America | Operating segment
Segment Reporting Information [Line Items]
Revenue	59.0	53.6
Resources and Utilities | Europe | Operating segment
Segment Reporting Information [Line Items]
Revenue	114.0	105.8
Resources and Utilities | Asia Pacific | Operating segment
Segment Reporting Information [Line Items]
Revenue	19.2	21.0
Resources and Utilities | Rest of World | Operating segment
Segment Reporting Information [Line Items]
Revenue	37.7	24.8
Transportation | Operating segment
Segment Reporting Information [Line Items]
Revenue	158.7	156.7
Transportation | North America | Operating segment
Segment Reporting Information [Line Items]
Revenue	124.1	124.5
Transportation | Europe | Operating segment
Segment Reporting Information [Line Items]
Revenue	21.7	19.7
Transportation | Asia Pacific | Operating segment
Segment Reporting Information [Line Items]
Revenue	7.4	7.7
Transportation | Rest of World | Operating segment
Segment Reporting Information [Line Items]
Revenue	$ 5.5	$ 4.8