XML 64 R51.htm IDEA: XBRL DOCUMENT v2.4.0.8
Equity Compensation Plans and Equity (Details 3) (USD $)
12 Months Ended
Dec. 31, 2012
Shares Reserved for Future Issuance  
Issuance upon exercise of stock options and grants of restricted stock (in shares) 3,358,032
Options Outstanding  
Number Outstanding at the end of the period (in shares) 2,322,000
Weighted-Average Remaining Contractual Life 6 years 4 months 24 days
Weighted-Average Exercise Price (in dollars per share) $ 28.63
Options Exercisable  
Number Exercisable at the end of the period (in shares) 1,282,000
Weighted-Average Exercise Price (in dollars per share) $ 22.63
Range of Exercise Prices from $8.82 to $16.37
 
Information about stock options outstanding  
Exercise price, low end of range (in dollars per share) $ 8.82
Exercise price, high end of range (in dollars per share) $ 16.37
Options Outstanding  
Number Outstanding at the end of the period (in shares) 522,000
Weighted-Average Remaining Contractual Life 3 years 4 months 24 days
Weighted-Average Exercise Price (in dollars per share) $ 11.05
Options Exercisable  
Number Exercisable at the end of the period (in shares) 522,000
Weighted-Average Exercise Price (in dollars per share) $ 11.05
Range of Exercise Prices from $17.48 to $26.69
 
Information about stock options outstanding  
Exercise price, low end of range (in dollars per share) $ 17.48
Exercise price, high end of range (in dollars per share) $ 26.69
Options Outstanding  
Number Outstanding at the end of the period (in shares) 352,000
Weighted-Average Remaining Contractual Life 2 years 10 months 24 days
Weighted-Average Exercise Price (in dollars per share) $ 19.66
Options Exercisable  
Number Exercisable at the end of the period (in shares) 320,000
Weighted-Average Exercise Price (in dollars per share) $ 19.16
Range of Exercise Prices from $28.60 to $42.96
 
Information about stock options outstanding  
Exercise price, low end of range (in dollars per share) $ 28.60
Exercise price, high end of range (in dollars per share) $ 42.96
Options Outstanding  
Number Outstanding at the end of the period (in shares) 1,155,000
Weighted-Average Remaining Contractual Life 8 years 4 months 24 days
Weighted-Average Exercise Price (in dollars per share) $ 33.64
Options Exercisable  
Number Exercisable at the end of the period (in shares) 339,000
Weighted-Average Exercise Price (in dollars per share) $ 35.29
Range of Exercise Prices from $44.09 to $51.70
 
Information about stock options outstanding  
Exercise price, low end of range (in dollars per share) $ 44.09
Exercise price, high end of range (in dollars per share) $ 51.70
Options Outstanding  
Number Outstanding at the end of the period (in shares) 293,000
Weighted-Average Remaining Contractual Life 8 years 4 months 24 days
Weighted-Average Exercise Price (in dollars per share) $ 50.91
Options Exercisable  
Number Exercisable at the end of the period (in shares) 101,000
Weighted-Average Exercise Price (in dollars per share) $ 50.79