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STOCK REPURCHASE PROGRAM (Details) - USD ($)
shares in Thousands, $ in Thousands
 1 Months Ended 12 Months Ended
Sep. 25, 2015
Dec. 17, 2014
Nov. 30, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2015
Dec. 31, 2014
Oct. 20, 2016
Dec. 16, 2014
Stock repurchase program                  
Share repurchases authorized amount               $ 350,000  
Aggregate amount of share repurchases (in dollars)             $ 340,517    
Common stock repurchased and retired (in shares)     190 1,700          
Common stock repurchased and retired     $ 13,900 $ 131,371 $ 13,887        
Remaining authorized repurchase amount       $ 303,400          
ASR Program                  
Stock repurchase program                  
Share repurchases authorized amount                 $ 250,000
Aggregate amount of share repurchases (in dollars)   $ 250,000              
Number of shares repurchased 719 3,100       3,800