Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Outstanding Awards) (Details)

v2.4.0.6
Stock-Based Compensation (Outstanding Awards) (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Common Class A [Member]
Dec. 31, 2011
Common Class A [Member]
Mar. 31, 2012
Series A [Member]
Y
Mar. 31, 2012
Class B [Member]
Y
Mar. 31, 2012
Common Class B [Member]
Dec. 31, 2011
Common Class B [Member]
Outstanding options 45,654 45,223     450 450
Outstanding WAEP $ 12.66 $ 12.06     $ 19.74 $ 19.74
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term     5.2 3.2    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term     2.9 3.2    
Aggregate intrinsic value $ 304,886       $ 0  
Exercisable options 15,569       450  
Exercisable WAEP $ 13.21       $ 19.74  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value $ 102,806       $ 0