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Discontinued Operations - Schedule of Amounts Included in Discontinued Operations (Details) - USD ($) |  | 3 Months Ended | 12 Months Ended
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Nov. 22, 2022 | Dec. 31, 2022 | Sep. 30, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2021 | Sep. 30, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Earnings from discontinued operations, net of tax |  |  |  |  |  |  |  |  |  | $ 202,800,000 | $ 291,400,000 | $ 275,900,000
Gain on disposition of discontinued operations, net of tax |  |  |  |  |  |  |  |  |  | 3,356,300,000 | 55,900,000 | 0
Net earnings from discontinued operations |  | $ 1,681,100,000 | $ 50,100,000 | $ 43,800,000 | $ 1,784,100,000 | $ 120,700,000 | $ 78,700,000 | $ 81,900,000 | $ 66,000,000.0 | 3,559,100,000 | 347,300,000 | 275,900,000
Held-for-sale or Disposed of by Sale | TransCore Holdings Inc, Zetec, and Civco Radiotherapy |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net revenues |  |  |  |  |  |  |  |  |  | 100,400,000 | 638,000,000.0 | 672,900,000
Cost of sales |  |  |  |  |  |  |  |  |  | 71,200,000 | 372,900,000 | 400,700,000
Gross profit |  |  |  |  |  |  |  |  |  | 29,200,000 | 265,100,000 | 272,200,000
Selling, general and administrative expenses |  |  |  |  |  |  |  |  |  | 19,900,000 | 124,000,000.0 | 114,600,000
Income from operations |  |  |  |  |  |  |  |  |  | 9,300,000 | 141,100,000 | 157,600,000
Other income, net |  |  |  |  |  |  |  |  |  | 100,000 | 1,500,000 | 300,000
Earnings before income taxes |  |  |  |  |  |  |  |  |  | 9,400,000 | 142,600,000 | 157,900,000
Income taxes |  |  |  |  |  |  |  |  |  | (6,200,000) | 28,500,000 | 33,700,000
Earnings from discontinued operations, net of tax |  |  |  |  |  |  |  |  |  | 15,600,000 | 114,100,000 | 124,200,000
Gain on disposition of discontinued operations, net of tax |  |  |  |  |  |  |  |  |  | 1,717,500,000 | 55,900,000 | 0
Net earnings from discontinued operations |  |  |  |  |  |  |  |  |  | 1,733,100,000 | 170,000,000.0 | 124,200,000
Stock-based compensation expense |  |  |  |  |  |  |  |  |  | 4,500,000 | 900,000 |
Depreciation and amortization |  |  |  |  |  |  |  |  |  | 0 | 5,200,000 | 7,900,000
Held-for-sale or Disposed of by Sale | TransCore Holdings Inc, Zetec, and Civco Radiotherapy | Selling, General and Administrative Expenses |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Stock-based compensation expense |  |  |  |  |  |  |  |  |  | 900,000 | 5,400,000 | 4,800,000
Held-for-sale or Disposed of by Sale | Indicor |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net revenues |  |  |  |  |  |  |  |  |  | 916,100,000 | 944,000,000.0 | 831,800,000
Cost of sales |  |  |  |  |  |  |  |  |  | 432,100,000 | 434,200,000 | 389,300,000
Gross profit |  |  |  |  |  |  |  |  |  | 484,000,000.0 | 509,800,000 | 442,500,000
Selling, general and administrative expenses |  |  |  |  |  |  |  |  |  | 250,500,000 | 265,700,000 | 251,900,000
Impairment of intangible assets |  |  |  |  |  |  |  |  |  | 0 | 5,100,000 | 0
Income from operations |  |  |  |  |  |  |  |  |  | 233,500,000 | 239,000,000.0 | 190,600,000
Other income, net |  |  |  |  |  |  |  |  |  | (700,000) | 100,000 | (500,000)
Earnings before income taxes | $ 2,046,000,000 |  |  |  |  |  |  |  |  | 232,800,000 | 239,100,000 | 190,100,000
Income taxes | $ 407,200,000 |  |  |  |  |  |  |  |  | 45,600,000 | 61,800,000 | 38,400,000
Earnings from discontinued operations, net of tax |  |  |  |  |  |  |  |  |  | 187,200,000 | 177,300,000 | 151,700,000
Gain on disposition of discontinued operations, net of tax |  |  |  |  |  |  |  |  |  | 1,638,800,000 | 0 | 0
Net earnings from discontinued operations |  |  |  |  |  |  |  |  |  | 1,826,000,000 | 177,300,000 | 151,700,000
Stock-based compensation expense |  |  |  |  |  |  |  |  |  | 10,300,000 | 13,100,000 | 8,700,000
Depreciation and amortization |  |  |  |  |  |  |  |  |  | $ 6,400,000 | $ 18,200,000 | $ 21,300,000

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