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Discontinued Operations - Schedule of Amounts Included in Discontinued Operations (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Earnings from discontinued operations, net of tax | $ 54,500,000 | $ 81,900,000 | $ 121,300,000 | $ 147,900,000
Gain / (loss) on disposition of discontinued operations, net of tax | (10,700,000) | 0 | 1,706,600,000 | 0
Net earnings from discontinued operations | 43,800,000 | 81,900,000 | 1,827,900,000 | 147,900,000
Industrial Businesses |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Depreciation and amortization | 2,500,000 | 4,800,000 | 6,400,000 | 9,800,000
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 | 0 | 161,000,000.0 | 100,400,000 | 313,500,000
Cost of sales | 0 | 94,200,000 | 71,200,000 | 188,900,000
Gross profit | 0 | 66,800,000 | 29,200,000 | 124,600,000
Selling, general and administrative expenses | 0 | 30,300,000 | 19,900,000 | 62,200,000
Income from operations | 0 | 36,500,000 | 9,300,000 | 62,400,000
Other income (expense), net | 0 | 1,300,000 | 100,000 | 1,200,000
Earnings before income taxes | 0 | 37,800,000 | 9,400,000 | 63,600,000
Income taxes | 0 | 4,500,000 | (6,200,000) | 11,200,000
Earnings from discontinued operations, net of tax | 0 | 33,300,000 | 15,600,000 | 52,400,000
Gain / (loss) on disposition of discontinued operations, net of tax | (10,700,000) | 0 | 1,706,600,000 | 0
Net earnings from discontinued operations | (10,700,000) | 33,300,000 | 1,722,200,000 | 52,400,000
Stock-based compensation expense |  |  | 4,500,000 |
Depreciation and amortization | 0 | 1,600,000 | 0 | 3,500,000
Held-for-sale or Disposed of by Sale | Industrial Businesses |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Net revenues | 255,100,000 | 236,800,000 | 501,900,000 | 457,600,000
Cost of sales | 121,400,000 | 108,700,000 | 235,300,000 | 209,800,000
Gross profit | 133,700,000 | 128,100,000 | 266,600,000 | 247,800,000
Selling, general and administrative expenses | 66,800,000 | 62,800,000 | 134,500,000 | 125,500,000
Income from operations | 66,900,000 | 65,300,000 | 132,100,000 | 122,300,000
Other income (expense), net | 900,000 | (200,000) | 1,100,000 | (500,000)
Earnings before income taxes | 67,800,000 | 65,100,000 | 133,200,000 | 121,800,000
Income taxes | 13,300,000 | 16,500,000 | 27,500,000 | 26,300,000
Earnings from discontinued operations, net of tax | 54,500,000 | 48,600,000 | 105,700,000 | 95,500,000
Stock-based compensation expense | $ 2,600,000 | $ 3,400,000 | $ 5,500,000 | $ 6,000,000.0

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