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INCOME TAXES - Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Differences between total income tax expense and the amount computed by applying the statutory federal income tax rate to income before income taxes |  |  |
Statutory rate applied to pre-tax income | $ 124,771 | $ 144,242 | $ 124,492
State and local income taxes, net of federal tax benefit | 14,172 | 17,979 | 12,904
Excess tax benefits resulting from exercises of stock-based compensation | (4,364) | (10,742) | (2,500)
Foreign derived intangible income deduction | (13,766) | (10,411) | (13,356)
Foreign rate variance | 9,312 | 6,854 | 5,020
Research and development credit | (10,010) | (9,600) | (6,800)
Other | 7,926 | 3,296 | 843
Total | $ 128,041 | $ 141,618 | $ 120,603
Effective tax rate | 21.60% | 20.60% | 20.30%
Total income tax payments, net of refunds | $ 157,542 | $ 180,512 | $ 151,818

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