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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $)
In Thousands, unless otherwise specified
Total
Common Stock
Additional Paid-in Capital
Accumulated Deficit
Accumulated Other Comprehensive Gain (Loss)
Balance at Dec. 31, 2008 $ 232,941 $ 104 $ 703,640 $ (471,672) $ 869
Balance (in shares) at Dec. 31, 2008   103,803      
Increase (Decrease) in Stockholders' Equity          
Net income (loss) (92,186)     (92,186)  
Unrealized loss on marketable securities, net of tax (782)       (782)
Issuance of common stock upon exercise of options, equity stock and stock units, and employee stock purchase plan 19,749 2 19,747    
Issuance of common stock upon exercise of options, equity stock and stock units, and employee stock purchase plan (in shares)   2,131      
Equity component of 5% convertible senior notes due 2014 63,867   63,867    
Stock-based compensation 31,738   31,738    
Balance at Dec. 31, 2009 255,327 106 818,992 (563,858) 87
Balance (in shares) at Dec. 31, 2009   105,934      
Increase (Decrease) in Stockholders' Equity          
Net income (loss) 150,917     150,917  
Unrealized loss on marketable securities, net of tax (449)       (449)
Issuance of common stock upon exercise of options, equity stock and stock units, and employee stock purchase plan 15,067 1 15,066    
Issuance of common stock upon exercise of options, equity stock and stock units, and employee stock purchase plan (in shares)   1,481      
Issuance of common stock due to the settlement with Samsung 78,500 5 78,495    
Issuance of common stock due to the settlement with Samsung (in shares)   4,788      
Repurchase and retirement of common stock under repurchase plan (195,107) (9) (31,449) (163,649)  
Repurchase and retirement of common stock under repurchase plan (in shares)   (9,527)      
Stock-based compensation 30,528   30,528    
Balance at Dec. 31, 2010 334,783 103 911,632 (576,590) (362)
Balance (in shares) at Dec. 31, 2010   102,676      
Increase (Decrease) in Stockholders' Equity          
Net income (loss) (43,053)     (43,053)  
Unrealized loss on marketable securities, net of tax (27)       (27)
Issuance of common stock upon exercise of options, equity stock and stock units, and employee stock purchase plan 10,094 1 10,093    
Issuance of common stock upon exercise of options, equity stock and stock units, and employee stock purchase plan (in shares)   1,371      
Net issuance of common stock due to CRI acquisition 86,143 6 86,137    
Net issuance of common stock due to CRI acquisition (in shares)   6,220      
Settlement of Samsung's option related to the contingently redeemable common stock 13,500     13,500  
Stock-based compensation 28,354   28,354    
Balance at Dec. 31, 2011 $ 429,794 $ 110 $ 1,049,716 $ (619,643) $ (389)
Balance (in shares) at Dec. 31, 2011   110,267