XML 21 R48.htm IDEA: XBRL DOCUMENT v2.4.0.6
Share-Based Compensation And Benefit Plans (Narrative) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 12 Months Ended 127 Months Ended 12 Months Ended 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Dec. 31, 2011
Common Stock [Member]
Dec. 31, 2010
Class B Common Stock [Member]
Dec. 31, 2009
Class B Common Stock [Member]
Dec. 31, 2011
ESPP [Member]
Dec. 31, 2010
ESPP [Member]
Dec. 31, 2009
ESPP [Member]
Dec. 31, 2011
2001 Plan [Member]
Dec. 31, 2011
2001 Plan [Member]
Minimum [Member]
Dec. 31, 2011
2001 Plan [Member]
Maximum [Member]
Dec. 31, 2011
2001 Plan [Member]
Common Stock [Member]
Dec. 31, 2011
2001 Plan [Member]
Class B Common Stock [Member]
Dec. 31, 2011
Non-Vested (Restricted) Stock [Member]
Dec. 31, 2011
Non-Vested (Restricted) Stock [Member]
Class B Common Stock [Member]
Dec. 31, 2011
Non-Vested (Restricted) Stock [Member]
Chief Executive Officer [Member]
Dec. 31, 2011
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                    
Number of share-based compensation plan 2                                  
Percent of market price share-based compensation awards granted 100.00%                                  
Aggregate awards, shares             1,500,000     4,000,000                
Shares awarded under plan 70,000                       1,839,419 1,577,298        
Shares reserved for future grant                   583,290                
Stock options outstanding 385,150 493,000               385,150                
Years in which options under 2001 Plan vest, minimum                   two                
Years in which options under 2001 Plan vest, maximum                   five                
Weighted-average grant date fair value $ 12.31 $ 11.45 $ 9.93                              
Total intrinsic value of stock options exercised $ 4,724 $ 6,559 $ 11,555                              
Fair value of stock options vested 475 597 3,750                              
Weighted-average grant date fair value of non-vested (restricted) stock $ 63.87 $ 49.43 $ 49.62                              
Fair value of non-vested stock that vested 672 3,609 1,460                              
Stock delivered as payment to satisfy tax withholdings, shares 2,527 19,678 601 7,616 56,043 205,428                        
Stock delivered as payment to satisfy tax withholdings, market value 180 1,155 23 437 3,212 9,415                        
Obligation to issue non-vested restricted shares             8,520 8,515 10,917                  
Obligation to issue non-vested restricted shares                               58,301    
Share-based compensation 6,663 5,175 5,264                              
Cash received from Common stock issued 4,530 5,285 9,592                              
Tax benefit realized for the tax deductions from share-based compensation plans 916 3,083 9,789                              
Unrecognized share-based compensation expense                             55,249   38,000 1,354
Weighted-average period for recognition of share-based compensation expense, in years                             10.9   11 1.7
Age of Chief Executive Officer when non-vested (restricted) stock vests 82                                  
Number of days under which shares to be purchased by employee on such available 90                   five ten            
Discount allowed to employees to purchase share 5.00%                                  
Average price of the shares purchased by employees $ 59.44 $ 51.69 $ 38.18                              
Additional shares issued that resulted from cash dividends investment in common stock 5,097 5,812 7,503                              
Net proceeds from shares issued under ESPP             829 757 743                  
Shares reserved for future grant             555,059                      
Common stock issued to profit sharing retirement plan, shares 27,240 9,975 33,779                              
Common stock contribution to 401(k) plan $ 1,718 $ 489 $ 1,297