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Discontinued Operations - Schedule of Assets and Liabilities From Discontinued Operations (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
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Disposal Group, Including Discontinued Operation, Assets, Current [Abstract] |  |
Current assets held for sale | $ 0.0 | $ 1,078.0
Disposal Group, Including Discontinued Operation, Liabilities, Current [Abstract] |  |
Current liabilities held for sale | $ 0.0 | 340.1
Held-for-sale or Disposed of by Sale | TransCore Holdings Inc, Zetec, and Civco Radiotherapy |  |
Disposal Group, Including Discontinued Operation, Assets, Current [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, Current [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 | Indicor |  |
Disposal Group, Including Discontinued Operation, Assets, Current [Abstract] |  |
Accounts receivable, net |  | 151.8
Inventories, net |  | 106.9
Other current assets |  | 30.7
Current assets held for sale |  | 289.4
Disposal Group, Including Discontinued Operation, Assets, Noncurrent [Abstract] |  |
Goodwill |  | 618.2
Other intangible assets, net |  | 79.4
Deferred taxes |  | 51.1
Other assets |  | 56.2
Assets held for sale |  | 804.9
Disposal Group, Including Discontinued Operation, Liabilities, Current [Abstract] |  |
Accounts payable |  | 52.5
Accrued compensation |  | 47.9
Deferred revenue |  | 23.9
Income taxes payable |  | 14.7
Other current liabilities |  | 42.0
Current liabilities held for sale |  | 181.0
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent [Abstract] |  |
Deferred taxes |  | 13.3
Noncurrent operating lease liabilities |  | 24.1
Other liabilities |  | 12.0
Liabilities held for sale |  | $ 49.4

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