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
6 Months Ended
Jun. 30, 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 $ 6.98
WAEP forfeited/cancelled $ 16.39
Outstanding WAEP, End of Period $ 12.70
Exercisable WAEP $ 12.80
Outstanding options, Beginning Balance 45,223
Options granted 2,717
Options exercised (2,412)
Options forfeited/cancelled (243)
Outstanding options, Ending Balance 45,285
Exercisable options 16,338