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Discontinued Operations - Schedule of Assets and Liabilities From Discontinued Operations (Details) - USD ($) $ in Millions | Sep. 30, 2022 | Dec. 31, 2021
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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

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