Segment Information (Segment Revenue by Geographic Areas) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Oct. 01, 2021	Sep. 30, 2022	Oct. 01, 2021
Operating segment
Segment Reporting Information [Line Items]
Revenue	$ 884.9	$ 901.4	$ 2,819.8	$ 2,733.4
North America | Operating segment
Segment Reporting Information [Line Items]
Revenue	488.4	461.7	1,499.7	1,405.2
Europe | Operating segment
Segment Reporting Information [Line Items]
Revenue	218.2	264.0	798.8	836.1
Asia Pacific | Operating segment
Segment Reporting Information [Line Items]
Revenue	102.3	111.1	321.6	328.9
Rest of World | Operating segment
Segment Reporting Information [Line Items]
Revenue	76.0	64.6	199.7	163.2
United States
Segment Reporting Information [Line Items]
Revenue	444.5	415.2	1,358.9	1,265.3
Buildings and Infrastructure | Operating segment
Segment Reporting Information [Line Items]
Revenue	363.6	349.7	1,143.8	1,057.6
Buildings and Infrastructure | North America | Operating segment
Segment Reporting Information [Line Items]
Revenue	235.8	200.4	710.6	612.4
Buildings and Infrastructure | Europe | Operating segment
Segment Reporting Information [Line Items]
Revenue	67.6	95.2	263.9	290.5
Buildings and Infrastructure | Asia Pacific | Operating segment
Segment Reporting Information [Line Items]
Revenue	52.8	47.9	149.6	137.3
Buildings and Infrastructure | Rest of World | Operating segment
Segment Reporting Information [Line Items]
Revenue	7.4	6.2	19.7	17.4
Geospatial | Operating segment
Segment Reporting Information [Line Items]
Revenue	184.2	205.4	585.4	606.8
Geospatial | North America | Operating segment
Segment Reporting Information [Line Items]
Revenue	84.1	84.8	255.4	254.5
Geospatial | Europe | Operating segment
Segment Reporting Information [Line Items]
Revenue	52.9	68.3	185.4	200.9
Geospatial | Asia Pacific | Operating segment
Segment Reporting Information [Line Items]
Revenue	33.8	40.2	108.6	117.2
Geospatial | Rest of World | Operating segment
Segment Reporting Information [Line Items]
Revenue	13.4	12.1	36.0	34.2
Resources and Utilities | Operating segment
Segment Reporting Information [Line Items]
Revenue	191.7	184.8	636.4	587.5
Resources and Utilities | North America | Operating segment
Segment Reporting Information [Line Items]
Revenue	55.5	51.5	178.8	165.5
Resources and Utilities | Europe | Operating segment
Segment Reporting Information [Line Items]
Revenue	79.6	80.2	291.3	279.6
Resources and Utilities | Asia Pacific | Operating segment
Segment Reporting Information [Line Items]
Revenue	8.6	14.7	41.3	50.8
Resources and Utilities | Rest of World | Operating segment
Segment Reporting Information [Line Items]
Revenue	48.0	38.4	125.0	91.6
Transportation | Operating segment
Segment Reporting Information [Line Items]
Revenue	145.4	161.5	454.2	481.5
Transportation | North America | Operating segment
Segment Reporting Information [Line Items]
Revenue	113.0	125.0	354.9	372.8
Transportation | Europe | Operating segment
Segment Reporting Information [Line Items]
Revenue	18.1	20.3	58.2	65.1
Transportation | Asia Pacific | Operating segment
Segment Reporting Information [Line Items]
Revenue	7.1	8.3	22.1	23.6
Transportation | Rest of World | Operating segment
Segment Reporting Information [Line Items]
Revenue	$ 7.2	$ 7.9	$ 19.0	$ 20.0