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INCOME TAXES (Income Tax Rate Reconciliation) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
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 (as a percent) | 21.00% | 35.00% | 35.00%
Statutory rate applied to pre-tax income | $ 77,384 | $ 77,419 | $ 128,182
State and local income taxes, net of federal tax benefit | 8,830 | 8,844 | 5,671
Excess tax benefits resulting from exercises of stock-based compensation | (3,451) | (1,094) | (6,276)
Net impact of the U.S. Tax Act | 0 | 4,823 | 21,949
Foreign withholding taxes | 0 | (4,424) | 6,667
Effective Income Tax Rate Reconciliation, Tax Settlement, Amount | (9,432) | (457) | 2,216
Foreign Derived Intangible Income Deduction | (4,315) | (2,647) | 0
Foreign rate variance | 7,023 | (4,560) | (13,929)
Income Tax Reconciliation Bargain Purchase Gain | 0 | 0 | (17,556)
Valuation allowances | 3,198 | 5,596 | 102
Manufacturing deduction | 0 | 0 | (5,922)
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount | (4,786) | (3,859) | (2,688)
Other | 959 | 2,026 | 345
Total | $ 75,410 | $ 81,667 | $ 118,761
Effective tax rate | 20.50% | 22.20% | 32.40%
Total income tax payments, net of refunds | $ 42,880 | $ 85,805 | $ 81,691

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