Segment Information (Segment Select Balance Sheet) (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 30, 2022
Segment Reporting Information [Line Items]
Accounts receivable, net	$ 664.1	$ 643.3
Inventories	371.4	402.5
Goodwill	5,559.9	4,137.9
Buildings and Infrastructure
Segment Reporting Information [Line Items]
Accounts receivable, net	261.5	305.1
Inventories	78.2	93.2
Goodwill	2,334.9	2,300.1
Geospatial
Segment Reporting Information [Line Items]
Accounts receivable, net	146.5	137.2
Inventories	134.7	146.1
Goodwill	383.7	382.1
Resources and Utilities
Segment Reporting Information [Line Items]
Accounts receivable, net	84.4	79.2
Inventories	98.4	100.3
Goodwill	480.3	471.8
Transportation
Segment Reporting Information [Line Items]
Accounts receivable, net	171.7	121.8
Inventories	60.1	62.9
Goodwill	$ 2,361.0	$ 983.9