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STOCKHOLDERS' EQUITY AND SHARE-BASED COMPENSATION EXPENSE, Stock Plans and Share-Based Compensation (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Jun. 25, 2012
Stockholders Equity And Share Based Compensation Expense [Abstract]        
Convertible preferred stock, Shares authorized (in shares) 5,000 5,000    
Convertible preferred stock, Par value (in dollars per share) $ 0.01 $ 0.01    
Convertible preferred stock, Shares issued (in shares) 0 0    
Convertible preferred stock, Shares outstanding (in shares) 0 0    
Common stock reserved for future issuance (in shares) 5,262      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock options issue price as percentage of fair value (in hundredths) 100.00%      
Number of additional shares authorized (in shares) 4,500      
Recognized share-based compensation expense [Abstract]        
Total stock-based compensation expense $ 17,207 $ 8,771 $ 9,910  
Business Acquisition, Cost of Acquired Entity, Acceleration of Stock Options 8,265     8,265
Unrecognized share-based compensation expense 14,414      
Weighted-average term of unrecognized share-based compensation expense 2 years 7 months 6 days      
Costs of sales [Member]
       
Recognized share-based compensation expense [Abstract]        
Total stock-based compensation expense 1,554 1,143 994  
Research and development [Member]
       
Recognized share-based compensation expense [Abstract]        
Total stock-based compensation expense 1,337 1,850 2,136  
Selling, general and administrative [Member]
       
Recognized share-based compensation expense [Abstract]        
Total stock-based compensation expense $ 14,316 $ 5,778 $ 6,780  
Options [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Expiration period - beginning 7 years      
Expiration period - ending 10 years      
Vesting period 4 years      
RSA [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period 4 years      
Vesting basis one-for-one      
Stock Plan 1998 [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Expiration period - ending 10 years      
Number of shares authorized under plan (in shares) 3,600      
Stock Plan 2000 [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares authorized under plan (in shares) 16,200      
Stock Plan 2012 [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares authorized under plan (in shares) 2,000