BASIS OF PRESENTATION (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Basis of Presentation [Line Items]
Estimated Impact On Operating Income From Adoption Of ASU 2017-07			$ 9,000
Excess Tax Benefit from Share-based Compensation, Operating Activities	$ 305	$ 1,892	$ 4,452	$ 3,414
New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Diluted Earnings Per Share	$ 0.01		$ 0.07