v2.4.0.8
SHAREHOLDERS' EQUITY (Details 3) (USD $)
In Thousands, except Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2013
Common stock
Apr. 30, 2013
Common stock
Shareholders' equity          
Common stock repurchased (in shares) 4,500,000 15,500,000      
Aggregate consideration for common stock repurchased $ 229,101 $ 716,072 $ 518,637    
Additional shares authorized for repurchase         10,000,000
Shares remaining in share repurchase authorization       8,600,000