Sales - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 01, 2022	Jul. 02, 2021	Jul. 01, 2022	Jul. 02, 2021
Disaggregation of Revenue [Line Items]
Sales	$ 776.4	$ 724.6	$ 1,524.5	$ 1,432.0
Products
Disaggregation of Revenue [Line Items]
Sales	702.5	660.8	1,376.4	1,305.4
Mobility technologies
Disaggregation of Revenue [Line Items]
Sales	594.9	536.1	1,140.9	1,053.0
Diagnostics and repair technologies
Disaggregation of Revenue [Line Items]
Sales	181.5	188.5	383.6	379.0
Services
Disaggregation of Revenue [Line Items]
Sales	73.9	63.8	148.1	126.6
Retail fueling hardware
Disaggregation of Revenue [Line Items]
Sales	214.7	208.8	395.3	405.3
Auto repair
Disaggregation of Revenue [Line Items]
Sales	157.1	164.4	334.5	329.1
Service and other recurring revenue
Disaggregation of Revenue [Line Items]
Sales	117.1	119.5	244.0	243.4
Environmental
Disaggregation of Revenue [Line Items]
Sales	74.6	63.5	136.3	125.1
Retail solutions
Disaggregation of Revenue [Line Items]
Sales	138.8	97.3	261.3	188.7
Software-as-a-service
Disaggregation of Revenue [Line Items]
Sales	43.9	46.5	88.9	93.5
Alternative energy
Disaggregation of Revenue [Line Items]
Sales	18.6	12.2	39.9	21.9
Smart cities
Disaggregation of Revenue [Line Items]
Sales	9.0	8.8	19.3	17.1
Other (b)
Disaggregation of Revenue [Line Items]
Sales	2.6	3.6	5.0	7.9
North America
Disaggregation of Revenue [Line Items]
Sales	583.9	512.7	1,143.3	1,021.2
Western Europe
Disaggregation of Revenue [Line Items]
Sales	56.1	67.6	119.8	122.6
High growth markets
Disaggregation of Revenue [Line Items]
Sales	104.0	109.5	197.9	221.3
Rest of world
Disaggregation of Revenue [Line Items]
Sales	32.4	34.8	63.5	66.9
United States
Disaggregation of Revenue [Line Items]
Sales	$ 564.3	$ 492.4	$ 1,105.0	$ 986.6