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INCOME TAXES (Provision for Tax Expense) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest [Abstract] |  |  |
Domestic | $ 115,070 | $ 101,714 | $ 87,328
Foreign | (20,588) | (43,025) | (78,612)
(Loss) income before (benefit) provision for income taxes | 94,482 | 58,689 | 8,716
Current: |  |  |
Federal | (7,677) | 25,613 | 14,798
State | 12,653 | 11,083 | 8,763
Foreign | 4,781 | 4,589 | 9,844
Current Income Tax Expense (Benefit) | 9,757 | 41,285 | 33,405
Deferred |  |  |
Federal | 19,899 | (85,488) | 21,814
State | (1,205) | 1,085 | 1,644
Foreign | 395 | 1,068 | (8,274)
Deferred income taxes | 19,089 | (83,335) | 15,184
Provision (benefit) for income taxes | 28,846 | (42,050) | 48,589
Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract] |  |  |
Tax expense at US statutory rate | 19,841 | 20,541 | 3,051
State income taxes, net of federal benefit | 8,711 | 4,547 | 6,010
Foreign rate differential | (1,124) | 3,733 | 3,646
Valuation allowance | 10,466 | 16,552 | 22,564
Uncertain tax position interest and penalties | (1,806) | 3,730 | 107
Goodwill impairment | 0 | 0 | 11,905
Tax credits | (9,799) | 0 | 0
Other | 2,845 | 1,856 | 1,306
Adjustment for Tax Cuts and Jobs Act | (288) | (93,009) | 0
Provision (benefit) for income taxes | $ 28,846 | $ (42,050) | $ 48,589

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