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COMMON STOCK AND STOCK INCENTIVE PLANS (Details 2) (USD $)
In Millions, except Share data, unless otherwise specified
 1 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended
Feb. 28, 2010
Senior executive officers
Aug. 31, 2011
Top performers at (senior) directors level and key talent below director level
Dec. 31, 2013
Stock options
Dec. 31, 2012
Stock options
Dec. 31, 2011
Stock options
Dec. 31, 2012
Restricted stock units
Senior executive officers
Mar. 31, 2011
Restricted stock units
Senior executive officers
Dec. 31, 2013
Performance-based restricted stock units
Dec. 31, 2013
Restricted stock awards
Dec. 31, 2012
Restricted stock awards
Dec. 31, 2011
Restricted stock awards
Dec. 31, 2012
Restricted stock awards
Senior executive officers
Sep. 30, 2012
Restricted stock awards
Board members
COMMON STOCK AND STOCK INCENTIVE PLANS                          
Vesting period   4 years       4 years 4 years         4 years  
Number of shares outstanding                          
Options Outstanding at the beginning of the period (in shares)     930,000 1,127,000 1,388,000                
Options Granted (in shares)     0 246,000 486,000                
Options Exercised (in shares)         (20,000)                
Options Forfeited or Expired (in shares)     (354,000) (443,000) (728,000)                
Options Outstanding at the end of the period (in shares)     576,000 930,000 1,127,000                
Weighted average exercise price                          
Options Outstanding at the beginning of the period (in dollars per share)     $ 20.04 $ 23.52 $ 15.06                
Options Granted (in dollars per share)       $ 3.24 $ 36.78                
Options Exercised (in dollars per share)         $ 6.27                
Options Forfeited or Expired (in dollars per share)     $ 18.05 $ 19.56 $ 16.71                
Options Outstanding at the end of the period (in dollars per share)     $ 21.25 $ 20.04 $ 23.52                
Stock-based awards                          
Number of ordinary shares available for issuance pursuant to future grants 0                        
Ratio for grant of stock awards that is deducted from the shares available for grant                 1        
Shares                          
Total nonvested at the beginning of the period (in shares)                 1,702,000 902,000 521,000    
Reverse split adjustment                 25,000        
Granted (in shares)             89,333 0 679,000 1,891,000 767,000    
Vested (in shares)                 (520,000) (701,000) (333,000)    
Forfeited (in shares)                 (173,000) (390,000) (53,000)    
Total nonvested at the end of the period (in shares)                 1,713,000 1,702,000 902,000    
Weighted average grant date fair value                          
Total nonvested at the beginning of the period (in dollars per share)                 $ 3.43 $ 5.87 $ 7.05    
Granted (in dollars per share)                 $ 2.76 $ 3.29 $ 5.58   $ 3.21
Vested (in dollars per share)                 $ 3.72 $ 5.60 $ 6.87    
Forfeited (in dollars per share)                 $ 3.82 $ 4.49 $ 6.99    
Total nonvested at the end of the period (in dollars per share)                 $ 3.08 $ 3.43 $ 5.87    
Fair value of restricted stock awards vested                 $ 1.9 $ 3.9 $ 3.1