Quarterly report pursuant to Section 13 or 15(d)

STOCKHOLDERS' EQUITY (Details Narrative)

v3.7.0.1
STOCKHOLDERS' EQUITY (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Cash dividend paid     $ 50,117 $ 43,688  
Cash dividend per share (in dollars per share) $ 0.115 $ 0.1 $ 0.23 $ .20  
Number of shares repurchased (in shares)   4,000   4,000  
Par value of common stock (in dollars per share) $ 1   $ 1   $ 1
Weighted average stock price of shares repurchased (in dollars per share)   $ 26.88   $ 26.61  
Repurchase of common stock from employees $ 7,700 $ 4 $ 7,400 $ 159  
Common stock reserved for issuance upon exercise of stock options (in shares) 4,300   4,300    
Restricted Stock Units (RSUs) [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Tax benefits from share-based payments $ 300   $ 4,600    
Unrecognized compensation cost $ 38,100   $ 38,100   $ 29,900
Unrecognized compensation cost, period for recognition     3 years 9 months 18 days   4 years