XML 43 R56.htm IDEA: XBRL DOCUMENT v2.4.0.6
Stock-Based Compensation (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Y
Dec. 31, 2010
Y
Dec. 31, 2009
Y
Dec. 31, 2008
Y
Stock-based compensation        
Number of shares available for grant 3,346,508 1,477,072    
Stock option / award activity        
Granted (in shares) 781,000 846,000 482,000  
Number of shares available for grant 3,346,508 1,477,072    
Stock options / awards        
Stock-based compensation expense $ 9,700 $ 11,500 $ 10,100  
Excess tax benefits from stock-based compensation 0 0 580  
Stock options
       
Stock-based compensation        
Number of shares available for grant 3,346,508 1,477,072 1,942,037  
Stock option / award activity        
Options outstanding at the beginning of the period (in shares) 3,722,656 3,693,697 3,654,901  
Granted (in shares) 781,000 846,000 482,000  
Exercised (in shares) (44,398) (200,758) (192,630)  
Forfeited (in shares) (510,384) (616,283) (250,574)  
Options outstanding at the end of the period (in shares) 3,948,874 3,722,656 3,693,697  
Number of shares available for grant 3,346,508 1,477,072 1,942,037  
Total shares reserved at the end of period 7,295,382 5,199,728 5,635,734  
Options exercisable at the end of period (in shares) 2,574,246 2,580,526 2,810,299  
WEIGHTED-AVERAGE EXERCISE PRICE        
Options outstanding at the beginning of the period (in dollars per option) $ 33.29 $ 36.43 $ 37.97  
Granted (in dollars per option) $ 16.52 $ 23.30 $ 14.22  
Exercised (in dollars per option) $ 11.97 $ 8.62 $ 6.09  
Forfeited (in dollars per option) $ 43.36 $ 46.46 $ 39.56  
Options outstanding at the end of the period (in dollars per option) $ 28.91 $ 33.29 $ 36.43  
Options exercisable at the end of period (in dollars per option) $ 34.35 $ 38.23 $ 39.92  
WEIGHTED-AVERAGE REMAINING CONTRACTUAL LIFE (in years)        
Weighted average remaining contractual life, Options outstanding at the end of the period (in years) 2.4 2.8 3.1 3.8
Weighted average remaining contractual life, Options exercisable at the end of the period (in years) 1.7 2.3 3.0  
AGGREGATE INTRINSIC VALUE        
Aggregate intrinsic value, Options outstanding at the end of the period 553 1,315 5,277  
Aggregate intrinsic value, Options exercisable at the end of period 369 588 2,882  
Stock options / awards        
Stock-based compensation expense 4,000 4,700 4,000  
Intrinsic values of stock options exercised 284 2,100 2,200  
2011 Equity and Incentive Plan
       
Stock-based compensation        
Expiration period of stock options from date of grant (in years) P7Y      
Number of equal annual installments in which awards vest, no performance criteria 3      
Predecessor plans to the 2011 Equity and Incentive Plan | Maximum
       
Stock-based compensation        
Expiration period of stock options from date of grant (in years) P10Y      
Predecessor plans to the 2011 Equity and Incentive Plan | Minimum
       
Stock-based compensation        
Expiration period of stock options from date of grant (in years) P5Y      
2004 Non-Employee Director Stock Plan and predecessor plans
       
Stock-based compensation        
Expiration period of stock options from date of grant (in years) P10Y      
Non-Employee Director Stock Plans
       
Stock options / awards        
Stock-based compensation expense 415 547 510  
2011 Non-Employee Director Stock Plan (the Director Plan)
       
Stock-based compensation        
Number of shares authorized for issuance to each director 3,000      
The maximum period of time that can elapse subsequent to a new director's appointment prior to receipt of an initial award in accordance with the plan (in days) 30      
Number of shares available for grant 176,000      
Stock option / award activity        
Number of shares available for grant 176,000      
2006 Non-Employee Director Stock Plan (the predecessor plan)
       
Stock-based compensation        
Number of shares available for grant 0 21,975    
Stock option / award activity        
Number of shares available for grant 0 21,975    
Restricted stock units
       
Stock-based compensation        
Number of equal annual installments in which awards vest, no performance criteria 3      
Stock options / awards        
Stock-based compensation expense $ 5,300 $ 6,300 $ 5,600