| Schedule of Segment Reporting Information, by Segment |
Segment disclosures, including significant segment expenses, are detailed below: | | | | | | | | | | | | | | | | | | | | Year Ended December 31, | | (in thousands) | 2024 | | 2023 | | 2022 | | Revenue | $ | 2,544,809 | | | $ | 2,269,949 | | | $ | 2,065,553 | | | Salaries | (620,815) | | | (581,027) | | | (511,776) | | | Stock-based compensation | (270,900) | | | (221,891) | | | (168,128) | | Incentive compensation(1) | (219,557) | | | (194,025) | | | (195,524) | | | Amortization | (112,308) | | | (103,502) | | | (85,094) | | | Depreciation | (30,929) | | | (29,002) | | | (29,468) | | | Interest income | 51,131 | | | 19,588 | | | 5,717 | | | Interest expense | (47,849) | | | (47,145) | | | (22,726) | | Other segment expenses, net(2) | (575,544) | | | (520,807) | | | (483,239) | | | Income tax provision | (142,346) | | | (91,726) | | | (51,605) | | | Net income | $ | 575,692 | | | $ | 500,412 | | | $ | 523,710 | |
(1) Incentive compensation includes bonuses and commissions. (2) Other segment expenses, net consists primarily of other headcount-related expenses, IT maintenance and software hosting costs, acquisition-related costs and consulting and professional fees.
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