Segment Information (Segment Select Balance Sheet) (Details) - USD ($) $ in Millions	Apr. 02, 2021	Jan. 01, 2021
Segment Reporting Information [Line Items]
Accounts receivable, net	$ 576.6	$ 620.5
Inventories	298.7	301.7
Goodwill	3,848.0	3,876.5
Buildings and Infrastructure
Segment Reporting Information [Line Items]
Accounts receivable, net	202.4	260.1
Inventories	57.1	59.1
Goodwill	1,992.4	1,997.4
Geospatial
Segment Reporting Information [Line Items]
Accounts receivable, net	110.2	117.5
Inventories	127.1	120.1
Goodwill	408.8	415.7
Resources and Utilities
Segment Reporting Information [Line Items]
Accounts receivable, net	120.5	91.2
Inventories	51.7	49.0
Goodwill	449.2	453.8
Transportation
Segment Reporting Information [Line Items]
Accounts receivable, net	143.5	151.7
Inventories	62.8	73.5
Goodwill	$ 997.6	$ 1,009.6

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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