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INCOME TAXES (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015
Income Tax Disclosure [Abstract] |  |  |  |
Income taxes | $ 20,257 | $ (28,045) | $ 54,264 | $ 19,902
Pre-tax income | 80,296 | $ (88,526) | $ 199,236 | $ 98,615
Effective income tax rate (as a percent) |  |  | 27.20% | 20.20%
Unrecognized tax benefits | 16,447 |  | $ 16,447 |
Unrecognized tax benefits that, if recognized, would be reflected as a component of income tax expense | 10,860 |  | 10,860 |
Reasonably possible reduction in prior years' unrecognized tax benefits during the next twelve months | $ 2,059 |  | $ 2,059 |

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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32639-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Income Tax Expense (or Benefit) -URI http://asc.fasb.org/extlink&oid=6515339 + Details
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