Segment Information (Segment Revenue by Geographic Areas) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jul. 01, 2022	Jun. 30, 2023	Jul. 01, 2022
Operating segment
Segment Reporting Information [Line Items]
Revenue	$ 993.6	$ 941.2	$ 1,909.0	$ 1,934.9
North America | Operating segment
Segment Reporting Information [Line Items]
Revenue	525.6	512.9	1,007.4	1,011.3
Europe | Operating segment
Segment Reporting Information [Line Items]
Revenue	282.7	261.4	550.5	580.6
Asia Pacific | Operating segment
Segment Reporting Information [Line Items]
Revenue	110.6	103.8	213.7	219.3
Rest of World | Operating segment
Segment Reporting Information [Line Items]
Revenue	74.7	63.1	137.4	123.7
United States
Segment Reporting Information [Line Items]
Revenue	485.1	467.4	922.6	914.4
Buildings and Infrastructure | Operating segment
Segment Reporting Information [Line Items]
Revenue	410.0	382.6	809.5	780.2
Buildings and Infrastructure | North America | Operating segment
Segment Reporting Information [Line Items]
Revenue	268.0	242.9	517.8	474.8
Buildings and Infrastructure | Europe | Operating segment
Segment Reporting Information [Line Items]
Revenue	86.9	84.0	181.1	196.3
Buildings and Infrastructure | Asia Pacific | Operating segment
Segment Reporting Information [Line Items]
Revenue	49.0	49.9	97.1	96.8
Buildings and Infrastructure | Rest of World | Operating segment
Segment Reporting Information [Line Items]
Revenue	6.1	5.8	13.5	12.3
Geospatial | Operating segment
Segment Reporting Information [Line Items]
Revenue	192.9	193.7	345.3	401.2
Geospatial | North America | Operating segment
Segment Reporting Information [Line Items]
Revenue	89.5	87.9	147.2	171.3
Geospatial | Europe | Operating segment
Segment Reporting Information [Line Items]
Revenue	55.4	61.3	107.6	132.5
Geospatial | Asia Pacific | Operating segment
Segment Reporting Information [Line Items]
Revenue	39.1	32.8	71.5	74.8
Geospatial | Rest of World | Operating segment
Segment Reporting Information [Line Items]
Revenue	8.9	11.7	19.0	22.6
Resources and Utilities | Operating segment
Segment Reporting Information [Line Items]
Revenue	196.0	214.8	404.6	444.7
Resources and Utilities | North America | Operating segment
Segment Reporting Information [Line Items]
Revenue	49.8	64.3	104.7	123.3
Resources and Utilities | Europe | Operating segment
Segment Reporting Information [Line Items]
Revenue	81.2	97.7	180.3	211.7
Resources and Utilities | Asia Pacific | Operating segment
Segment Reporting Information [Line Items]
Revenue	14.5	13.5	30.5	32.7
Resources and Utilities | Rest of World | Operating segment
Segment Reporting Information [Line Items]
Revenue	50.5	39.3	89.1	77.0
Transportation | Operating segment
Segment Reporting Information [Line Items]
Revenue	194.7	150.1	349.6	308.8
Transportation | North America | Operating segment
Segment Reporting Information [Line Items]
Revenue	118.3	117.8	237.7	241.9
Transportation | Europe | Operating segment
Segment Reporting Information [Line Items]
Revenue	59.2	18.4	81.5	40.1
Transportation | Asia Pacific | Operating segment
Segment Reporting Information [Line Items]
Revenue	8.0	7.6	14.6	15.0
Transportation | Rest of World | Operating segment
Segment Reporting Information [Line Items]
Revenue	$ 9.2	$ 6.3	$ 15.8	$ 11.8