| Schedule of Recognized Identified Assets Acquired and Liabilities Assumed | 
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| Table 6.1: VES Valuation |  
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Allocation of Assets and Liabilities as of September 30, 2021 | 
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Adjustments | 
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Estimated Allocation of Assets and Liabilities as of December 31, 2021 | 
 
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(in thousands) | 
 
| Consideration paid: | 
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| Cash consideration paid, net of cash acquired | 
$ | 
1,360,231  | 
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$ | 
—  | 
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$ | 
1,360,231  | 
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| Estimated additional cash payments | 
4,635  | 
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—  | 
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4,635  | 
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| Estimated cash consideration, net of cash acquired | 
1,364,866  | 
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—  | 
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1,364,866  | 
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| Assets acquired: | 
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| Accounts receivable - billed, billable and unbilled | 
$ | 
44,078  | 
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$ | 
—  | 
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$ | 
44,078  | 
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| Prepaid expenses and other current assets | 
7,955  | 
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—  | 
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7,955  | 
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| Property and equipment, net | 
9,113  | 
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(1,092) | 
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8,021  | 
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| Operating lease right-of-use assets | 
18,898  | 
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—  | 
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18,898  | 
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| Intangible assets | 
664,000  | 
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—  | 
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664,000  | 
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| Other assets | 
7,166  | 
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—  | 
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7,166  | 
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| Total identifiable assets acquired | 
751,210  | 
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(1,092) | 
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750,118  | 
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| Liabilities assumed: | 
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| Accounts payable and accrued compensation | 
42,182  | 
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—  | 
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42,182  | 
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| Operating lease liabilities | 
18,898  | 
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—  | 
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18,898  | 
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| Income taxes payable, current | 
5,673  | 
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—  | 
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5,673  | 
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| Deferred income taxes | 
171,497  | 
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—  | 
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171,497  | 
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| Other long-term liabilities | 
12,270  | 
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—  | 
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12,270  | 
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| Total identifiable liabilities assumed | 
250,520  | 
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—  | 
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250,520  | 
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| Net identifiable assets acquired | 
500,690  | 
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(1,092) | 
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499,598  | 
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| Goodwill | 
864,176  | 
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 | 
1,092  | 
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865,268  | 
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| Net assets acquired | 
$ | 
1,364,866  | 
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$ | 
—  | 
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$ | 
1,364,866  | 
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