| Schedule of Segment Information |
The following table reconciles the reported measure of segment profit or loss, Adjusted EBITDA, to Income before income taxes (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended
September 30, | | Nine Months Ended
September 30, | | 2025 | | 2024 | | 2025 | | 2024 | | Adjusted EBITDA | $ | 171,928 | | | $ | 183,587 | | | $ | 512,050 | | | $ | 530,897 | | | Reconciliation to income before income taxes | | | | | | | | | Stock-based compensation expense and related payroll taxes (1) | (62,172) | | | (69,292) | | | (186,719) | | | (214,692) | | | Depreciation and amortization | (24,263) | | | (27,739) | | | (76,951) | | | (81,672) | | | Interest and other non-operating income, net | 7,680 | | | 3,808 | | | 17,521 | | | 13,065 | | | Foreign exchange gain (loss) | 777 | | | (16,815) | | | (40,561) | | | (5,699) | | | Asset impairment charge | — | | | — | | | (101,703) | | | — | | | Acquisition, divestiture, and corporate structure-related expenses | 18 | | | 697 | | | (7,148) | | | (1,435) | | | Loss on sale of business | — | | | — | | | (5,097) | | | — | | | Restructuring and other exit costs | (1,883) | | | (1,556) | | | (1,480) | | | (1,898) | | | Retroactive non-income tax expense | — | | | 1,120 | | | — | | | (6,124) | | | Total reconciling items | (79,843) | | | (109,777) | | | (402,138) | | | (298,455) | | | Income before income taxes | $ | 92,085 | | | $ | 73,810 | | | $ | 109,912 | | | $ | 232,442 | |
(1)Beginning in the first quarter of 2025, the Company is excluding payroll tax expense related to stock-based compensation from Adjusted EBITDA because these taxes are directly related to stock-based compensation expense which is excluded from Adjusted EBITDA. The Company did not retrospectively apply this change to prior periods as the impact was immaterial to such periods. In the three and nine months ended September 30, 2024 payroll tax expense related to stock-based compensation was $0.7 million and $4.8 million, respectively.
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| Schedule of Revenue by Geographic Area |
The following table summarizes revenue by geographic area (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended
September 30, | | Nine Months Ended
September 30, | | 2025 | | 2024 | | 2025 | | 2024 | | United States | $ | 343,542 | | | $ | 346,192 | | | $ | 1,019,729 | | | $ | 1,031,516 | | | United Kingdom | 67,662 | | | 73,250 | | | 202,422 | | | 223,455 | | | All Other | 266,822 | | | 242,968 | | | 779,714 | | | 701,199 | | | Revenue | $ | 678,026 | | | $ | 662,410 | | | $ | 2,001,865 | | | $ | 1,956,170 | |
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| Schedule of Tangible Long-Lived Assets |
The following table summarizes tangible long-lived assets by geographic area (in thousands): | | | | | | | | | | | | | As of September 30,
2025 | | As of December 31,
2024 | | United States | $ | 133,823 | | | $ | 146,410 | | | All Other | 24,585 | | | 22,288 | | | Long-lived assets | $ | 158,408 | | | $ | 168,698 | |
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