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INCOME TAXES (Provision for Tax Expense) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest [Abstract] |  |  |
Domestic | $ 156,571 | $ 115,070 | $ 101,714
Foreign | (8,332) | (20,588) | (43,025)
(Loss) income before (benefit) provision for income taxes | 148,239 | 94,482 | 58,689
Current: |  |  |
Federal | 20,482 | (7,677) | 25,613
State | 14,564 | 12,653 | 11,083
Foreign | 7,448 | 4,781 | 4,589
Current Income Tax Expense (Benefit) | 42,494 | 9,757 | 41,285
Deferred |  |  |
Federal | 7,933 | 19,899 | (85,488)
State | 550 | (1,205) | 1,085
Foreign | (478) | 395 | 1,068
Deferred income taxes | 8,005 | 19,089 | (83,335)
Provision (benefit) for income taxes | 50,499 | 28,846 | (42,050)
Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract] |  |  |
Tax expense at US statutory rate | 31,130 | 19,841 | 20,541
State income taxes, net of federal benefit | 10,597 | 8,711 | 4,547
Foreign rate differential | 276 | (1,124) | 3,733
Valuation allowance | 4,459 | 10,466 | 16,552
Uncertain tax position interest and penalties | 474 | (1,806) | 3,730
Tax credits | (50) | (9,799) | 0
Non-deductible compensation | 1,922 | 1,813 | 256
Other | 1,691 | 1,032 | 1,600
Adjustment for Tax Cuts and Jobs Act | 0 | (288) | (93,009)
Provision (benefit) for income taxes | $ 50,499 | $ 28,846 | $ (42,050)

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