Intangible Assets and Goodwill (Changes In Carrying Amount Of Goodwill By Operating Segment) (Detail) $ in Millions	3 Months Ended
	Apr. 01, 2022 USD ($)
Goodwill [Roll Forward]
Balance as of year end 2021	$ 3,981.5
Foreign currency translation and other adjustments	(10.5)
Balance as of the end of the first quarter of 2022	3,971.0
Buildings and Infrastructure
Goodwill [Roll Forward]
Balance as of year end 2021	2,141.4
Foreign currency translation and other adjustments	(6.5)
Balance as of the end of the first quarter of 2022	2,134.9
Geospatial
Goodwill [Roll Forward]
Balance as of year end 2021	403.6
Foreign currency translation and other adjustments	(1.5)
Balance as of the end of the first quarter of 2022	402.1
Resources and Utilities
Goodwill [Roll Forward]
Balance as of year end 2021	440.8
Foreign currency translation and other adjustments	0.6
Balance as of the end of the first quarter of 2022	441.4
Transportation
Goodwill [Roll Forward]
Balance as of year end 2021	995.7
Foreign currency translation and other adjustments	(3.1)
Balance as of the end of the first quarter of 2022	$ 992.6