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Acquisitions | 12 Months Ended
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Dec. 31, 2021
Business Combination and Asset Acquisition [Abstract] |
Acquisitions | The following is a summary of the Company's acquisitions (in millions).
|  | Year Ended December 31,
|  | 2021 |  | 2020 |  | 2019
Number of businesses acquired |  | Three |  | Four |  | Two
Aggregate purchase price |  | $ | 221.3 |  |  | $ | 186.0 |  |  | $ | 113.0 |
Maximum earn out |  | 15.0 |  |  | 19.0 |  |  | — |
Earn out liability at December 31, 2021 |  | 7.0 |  |  | 8.1 |  |  | — |
Status of purchase accounting |  | Open |  | Closed |  | Closed
___ Generally, working capital adjustments account for the difference between the aggregate purchase price and cash paid, net of cash acquired in the accompanying statements of cash flows. These acquisitions increased the Company's investment in IT consulting in its Federal Government and Commercial segments. Some of these acquisitions include additional contingent consideration (earn out) to be paid in cash based on the achievement of certain targets. None of these acquisitions were material individually or in the aggregate; therefore, we did not present any pro forma results for these acquisitions.

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- References No definition available. + Details
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- Definition The entire disclosure for a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. The disclosure may include leverage buyout transactions (as applicable). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -URI http://asc.fasb.org/topic&trid=2303972 + Details
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