Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensations (Grants) (Details)

v2.4.0.6
Stock-Based Compensations (Grants) (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Common Class B [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]  
Outstanding WAEP, Beginning of Period $ 19.74
WAEP granted $ 0.00
WAEP exercised $ 0.00
WAEP forfeited/cancelled $ 0.00
Outstanding WAEP, End of Period $ 19.74
Exercisable WAEP $ 19.74
Outstanding options, Beginning Balance 450
Options granted 0
Options exercised 0
Options forfeited/cancelled 0
Outstanding options, Ending Balance 450
Exercisable options 450
Common Class A [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]  
Outstanding WAEP, Beginning of Period $ 12.06
WAEP granted $ 18.63
WAEP exercised $ 7.04
WAEP forfeited/cancelled $ 18.09
Outstanding WAEP, End of Period $ 12.66
Exercisable WAEP $ 13.21
Outstanding options, Beginning Balance 45,223
Options granted 2,717
Options exercised (2,122)
Options forfeited/cancelled (164)
Outstanding options, Ending Balance 45,654
Exercisable options 15,569