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BASIS OF PRESENTATION AND ACCOUNTING POLICIES (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jan. 01, 2017
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Income tax benefits   $ 2,292 $ (14,133) $ 2,269 $ (19,005)
ASU 2016-09 [Member] | Additional Paid-in Capital [Member]          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Income tax benefits $ 1,700        
ASU 2016-09 [Member] | Retained Earnings [Member]          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Income tax benefits $ (1,700)