XML 86 R69.htm IDEA: XBRL DOCUMENT v3.6.0.2
Stock-Based Compensation (Stock Options) (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Jan. 31, 2017
Mar. 01, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]          
Expected dividend rate (percentage) 0.00% 0.00% 0.00%    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]          
Exercised, shares (300,000) (1,300,000) (1,700,000)    
Exercised, weighted-average exercise price (in dollars per share) $ 31.21 $ 23.33 $ 20.50    
Stock Options [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Exercise price of options to purchase common stock granted         $ 52.53
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]          
Options outstanding, beginning balance (in shares) 4,600,000        
Options outstanding, weighted-average exercise price, beginning balance (in dollars per share) $ 45.07        
Granted, shares [1] 900,000        
Granted, weighted-average exercise price (in dollars per share) [1] $ 52.53        
Exercised, shares (300,000)        
Exercised, weighted-average exercise price (in dollars per share) $ 31.21        
Forfeited, shares 0        
Forfeited, weighted-average exercise price (in dollars per share) $ 0.00        
Expired, shares 0        
Expired, weighted-average exercise price (in dollars per share) $ 0.00        
Options outstanding, beginning balance (in shares) 5,200,000 4,600,000      
Options outstanding, weighted-average exercise price, ending balance (in dollars per share) $ 46.99 $ 45.07      
Options outstanding, weighted-average remaining contractual term (years) 6 years 6 months 15 days        
Options outstanding, aggregate intrinsic value $ 31.8        
Options exercisable (in shares) 2,900,000        
Options exercisable, weighted-average exercise price (in dollars per share) $ 40.33        
Options exercisable, weighted-average remaining contractual term (years) 5 years 3 months 7 days        
Options exercisable, aggregate intrinsic value $ 31.4        
Options exercisable and expected to vest thereafter (in shares) 5,200,000        
Options exercisable and expected to vest thereafter, weighted-average exercise price (in dollars per share) $ 46.92        
Options exercisable and expected to vest thereafter, weighted-average remaining contractual term (years) 6 years 6 months 11 days        
Options exercisable and expected to vest thereafter, aggregate intrinsic value $ 31.8        
Options available for future grants (in shares) [2] 3,300,000        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]          
Weighted average grant-date fair value of stock options granted (in dollars per share) $ 17.96 $ 19.38 $ 20.56    
Total intrinsic value of stock options exercised $ 5.3 $ 51.9 $ 56.2    
Restricted Stock [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Granted, shares [3] 143,424        
Minimum [Member]          
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]          
Risk-free interest rate (percentage) 1.16% 0.76% 1.11%    
Expected term (in years) 4 years 2 years 4 years    
Expected volatility rate (percentage) 29.00% 24.00% 25.00%    
Maximum [Member]          
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]          
Risk-free interest rate (percentage) 1.55% 1.86% 2.04%    
Expected term (in years) 7 years 7 years 7 years    
Expected volatility rate (percentage) 31.00% 34.00% 36.00%    
Employee [Member] | 2008 Equity and Incentive Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of shares authorized 12,000,000        
Employee [Member] | 2008 Equity and Incentive Plan | Stock Options [Member]          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]          
Options available for future grants (in shares) 2,500,000        
Director [Member] | Non-Employee Director Equity Plan 2014 [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of shares authorized 1,000,000        
Director [Member] | Non-Employee Director Equity Plan 2014 [Member] | Stock Options [Member]          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]          
Options available for future grants (in shares) 900,000        
Subsequent Event [Member] | Employee [Member] | 2008 Equity and Incentive Plan | Stock Options [Member]          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]          
Options available for future grants (in shares)       0  
Subsequent Event [Member] | Employee [Member] | Equity and Incentive Plan, 2017 [Member] | Stock Options [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of shares authorized       5,500,000  
Subsequent Event [Member] | Director [Member] | Non-Employee Director Equity Plan 2014 [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of shares authorized       600,000  
Subsequent Event [Member] | Director [Member] | Non-Employee Director Equity Plan 2014 [Member] | Stock Options [Member]          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]          
Reduction in Shares Available Issuance       400,000  
AwardsGranted2016 [Member] | Equity Option [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Expiration period (in years) 10 years        
Vesting period (in years) 4 years        
AwardsGranted2016 [Member] | Restricted Stock [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period (in years) 4 years        
Awards Granted 2015 and 2014 [Member] | Equity Option [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Expiration period (in years) 10 years        
Vesting period (in years) 4 years        
Awards Granted 2015 and 2014 [Member] | Restricted Stock [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period (in years) 4 years        
[1] The options granted during 2016 are related to our annual employee stock option award grant on March 1, 2016
[2] Includes 2.5 million shares available under the 2008 Plan and 0.9 million shares available under the 2014 Director Plan. As noted above, the number of shares available under the 2014 Director Plan was reduced by 0.4 million shares in January 2017. If our stockholders approve the 2017 Plan, under which 5.5 million shares would be available for issuance, then no additional awards will be granted under the 2008 Plan, and the 2.5 million shares available under the 2008 Plan will no longer be available for issuance.
[3] The restricted stock awards granted during 2016 are primarily related to our employee annual restricted stock award grant in March 2016.