Intangible Assets and Goodwill (Changes In Carrying Amount Of Goodwill By Operating Segment) (Details) $ in Millions	12 Months Ended
	Dec. 29, 2023 USD ($)
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 4,137.9
Additions due to acquisitions	1,417.8
Assets held for sale	(268.1)
Foreign currency translation and other adjustments	63.0
Goodwill, ending balance	5,350.6
Buildings and Infrastructure
Goodwill [Roll Forward]
Goodwill, beginning balance	2,300.1
Additions due to acquisitions	27.7
Assets held for sale	0.0
Foreign currency translation and other adjustments	19.5
Goodwill, ending balance	2,347.3
Geospatial
Goodwill [Roll Forward]
Goodwill, beginning balance	382.1
Additions due to acquisitions	0.0
Assets held for sale	(1.9)
Foreign currency translation and other adjustments	4.9
Goodwill, ending balance	385.1
Resources and Utilities
Goodwill [Roll Forward]
Goodwill, beginning balance	471.8
Additions due to acquisitions	0.0
Assets held for sale	(266.2)
Foreign currency translation and other adjustments	10.8
Goodwill, ending balance	216.4
Transportation
Goodwill [Roll Forward]
Goodwill, beginning balance	983.9
Additions due to acquisitions	1,390.1
Assets held for sale	0.0
Foreign currency translation and other adjustments	27.8
Goodwill, ending balance	$ 2,401.8