EQUITY (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
EQUITY [Abstract]
Common stock, par value	$ 1	$ 1	$ 1
Preferred stock issued	0
Number of shares held in treasury	0	0	0
Shares purchased and retired during the period	636,659	0	228,000
Cost of shares purchased and retired	$ 69,156	$ 0	$ 21,475
Cash payment for stock repurchase	$ 69,156	$ 0
Shares remaining under the current authorization repurchase program	2,546,757