Quarterly report pursuant to Section 13 or 15(d)

STOCKHOLDERS' EQUITY (Details Narrative)

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STOCKHOLDERS' EQUITY (Details Narrative) (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended 3 Months Ended 12 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Mar. 31, 2014
Restricted Stock Units (RSUs) [Member]
Dec. 31, 2013
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Cash dividend paid $ 15,301 $ 13,146      
Cash dividend per share (in dollars per share) $ 0.105 $ 0.090      
Number of shares repurchased (in shares) 33,429        
Par value of common stock (in dollars per share) $ 1   $ 1    
Weighted average stock price of shares repurchased (in dollars per share) $ 27.23        
Repurchase of common stock from employees 5,700,000 4,500,000      
Common stock reserved for issuance upon exercise of stock options (in shares) 3,600,000        
Options vesting period 5 years        
Options expiration Period 10 years        
Common stock issued for exercise of stock options   1,000      
Options aggregate intrinsic value 0 20      
Cash receipts for exercise of options 0 10      
Tax benefits from share-based payments 3,400 2,700      
Unrecognized compensation cost       $ 39,300 $ 30,700
Unrecognized compensation cost, period for recognition       4 years 2 months 12 days 3 years 9 months 18 days