Segment Information (Segment Select Balance Sheet) (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Accounts receivable, net	$ 566.1	$ 624.8
Inventories	391.1	363.3
Goodwill	4,037.1	3,981.5
Buildings and Infrastructure
Segment Reporting Information [Line Items]
Accounts receivable, net	220.8	246.8
Inventories	88.6	79.3
Goodwill	2,264.3	2,141.4
Geospatial
Segment Reporting Information [Line Items]
Accounts receivable, net	142.3	134.0
Inventories	148.2	136.4
Goodwill	373.4	403.6
Resources and Utilities
Segment Reporting Information [Line Items]
Accounts receivable, net	80.1	112.9
Inventories	90.2	67.4
Goodwill	420.7	440.8
Transportation
Segment Reporting Information [Line Items]
Accounts receivable, net	122.9	131.1
Inventories	64.1	80.2
Goodwill	$ 978.7	$ 995.7