BASIS OF PRESENTATION AND ACCOUNTING POLICIES (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Jan. 01, 2017	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Income tax benefits		$ 60	$ (1,696)	$ 2,329	$ (20,701)
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)