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Discontinued operations | 12 Months Ended
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Dec. 31, 2022
Discontinued Operations and Disposal Groups [Abstract] |
Discontinued operations | Discontinued operationsOn March 13, 2020, the company completed the sale of its U.S. Federal business to Science Applications International Corporation for cash of $1.2 billion. Net cash proceeds of the sale was $1,162.9 million (net of working capital adjustments and transaction costs). The results of the U.S. Federal business discontinued operations were as follows:
Year ended December 31, |  | 2020* |  |
Revenue |  | $ | 149.5 |  |  |
Income |  |  |  |
Operations |  | 8.4 |  |  |
Gain on sale |  | 1,060.7 |  |  |
|  | 1,069.1 |  |  |
Income tax provision |  | 0.7 |  |  |
Income from discontinued operations, net of tax |  | $ | 1,068.4 |  |  |
* Includes results of operations through the March 13, 2020 closing date.

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- Definition The entire disclosure related to a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI https://asc.fasb.org/topic&trid=2155823 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -URI https://asc.fasb.org/subtopic&trid=2122178 + Details
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