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Discontinued Operations (Narratives) (Details) - Disposed of by Sale - USD ($) $ in Millions | Nov. 01, 2021 | Jan. 05, 2022 | Oct. 01, 2021
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Civco Radiotherapy | Blue Wolf Capital Partners LLC |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Consideration receivable or received on disposal | $ 120.0 |  |
Pretax gain on disposition of business | 77.2 |  |
Income tax expense | $ 21.3 |  |
Zetec | Eddyfi NDT Inc | Subsequent event |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Consideration receivable or received on disposal |  | $ 350.0 |
TransCore | Singapore Technologies Engineering Ltd |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Consideration receivable or received on disposal |  |  | $ 2,680.0

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