Discontinued Operations - Schedule of Assets and Liabilities From Discontinued Operations (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Disposal Group, Including Discontinued Operation, Assets [Abstract]
Current assets held for sale	$ 1,094.7	$ 1,078.0
Assets held for sale	0.0	804.9
Disposal Group, Including Discontinued Operation, Liabilities [Abstract]
Current liabilities held for sale	220.4	340.1
Held-for-sale or Disposed of by Sale | TransCore Holdings Inc, Zetec and Civco Radiotherapy
Disposal Group, Including Discontinued Operation, Assets [Abstract]
Accounts receivable, net		74.7
Inventories, net		47.8
Unbilled receivables		158.2
Goodwill		405.5
Other intangible assets, net		31.0
Other current assets		71.4
Current assets held for sale		788.6
Disposal Group, Including Discontinued Operation, Liabilities [Abstract]
Accounts payable		40.3
Accrued compensation		27.0
Deferred taxes		29.5
Other current liabilities		62.3
Current liabilities held for sale		159.1
Held-for-sale or Disposed of by Sale | Industrial Businesses
Disposal Group, Including Discontinued Operation, Assets [Abstract]
Accounts receivable, net	163.0	151.8
Inventories, net	146.2	106.9
Deferred taxes	45.3	0.0
Goodwill	569.0	0.0
Other intangible assets, net	69.3	0.0
Other current assets	101.9	30.7
Current assets held for sale	1,094.7	289.4
Goodwill	0.0	618.2
Other intangible assets, net	0.0	79.4
Deferred taxes	0.0	51.1
Other assets	0.0	56.2
Assets held for sale	0.0	804.9
Disposal Group, Including Discontinued Operation, Liabilities [Abstract]
Accounts payable	64.7	52.5
Accrued compensation	39.0	47.9
Deferred revenue	19.7	23.9
Deferred taxes	12.7	0.0
Income taxes payable	10.1	14.7
Operating lease liabilities	34.4	0.0
Other current liabilities	39.8	42.0
Current liabilities held for sale	220.4	181.0
Deferred taxes	0.0	13.3
Noncurrent operating lease liabilities	0.0	24.1
Other liabilities	0.0	12.0
Liabilities held for sale	$ 0.0	$ 49.4