XML 56 R34.htm IDEA: XBRL DOCUMENT v2.4.0.6
Stock Based Compensation (Narrative) (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Common stock authorized and reserved for issuances 3,360      
Shares authorized but not issued 2,760      
Expiration period of SOSARs 7 years      
Stock-based compensation expense $ 66,274 $ 42,965 $ 22,280  
Stock-based compensation expense, net of tax 40,361 26,166 13,713  
Change in estimate expense non-vested stock awards 5,578      
Change in estimate expense non-vested stock awards, net of tax 3,397      
Change in estimate expense non-vested stock awards, earnings per share $ 0.11      
Granted, shares 617 587 561  
Total intrinsic value of options and SOSARs exercised 183,097 113,752 32,957  
Outstanding, end of year, shares 120 207 205 257
Cumulative cash flow from operations measurement period 3 years      
Shares vested, fair value 31,309 961 25,369  
Stock Options And SOSARs [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unearned compensation 40,752      
Weighted average period 1 year 5 months      
Performance Shares [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Outstanding, end of year, shares 111      
Performance SOSARs [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Granted, shares 191      
Non-Vested Stock Awards [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unearned compensation 6,671      
Weighted average period 7 months      
Leasehold Improvements [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation recognized as capitalized development $ 1,998 $ 1,583 $ 899  
First Half Vested [Member] | Alternative 2 [Member] | Stock Options And SOSARs [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period for SOSARs 2 years      
Second Half Vested [Member] | Alternative 2 [Member] | Stock Options And SOSARs [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period for SOSARs 3 years