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Income Taxes - Reconciliation of Statutory Federal Income Tax Rate with Effective Income Tax Rate (Details) | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Income Tax Disclosure [Abstract] |  |  |
Statutory tax rate | 21.00% | 21.00% | 21.00%
State income taxes, net | 6.50% | 5.00% | (1.30%)
Foreign rate differential | 3.10% | 1.00% | (0.30%)
Foreign income inclusion | 6.00% | 5.40% | 0.70%
Foreign tax credit | (4.70%) | (5.10%) | (0.80%)
Reserve for uncertain tax positions | (5.90%) | (3.20%) | (2.40%)
Valuation allowance | 0.00% | 0.00% | (1.70%)
Impact on deferred taxes of enacted tax law and rate changes | 0.60% | 1.40% | (0.50%)
Tax credits and incentives | (8.40%) | (5.00%) | (1.50%)
Impairment of goodwill | 16.00% | 0.00% | 0.00%
Mark-to market on investment in Consensus | 0.00% | 22.10% | (18.00%)
Return to provision adjustments | (5.10%) | 1.10% | 0.50%
Executive compensation | 2.40% | 1.50% | 0.70%
Other | 0.70% | (1.00%) | (0.40%)
Effective tax rates | 32.20% | 44.20% | (4.00%)

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