Annual report pursuant to Section 13 and 15(d)

Stock-based and Long-Term Compensation - Schedule of Option Activity (Details)

v3.3.1.900
Stock-based and Long-Term Compensation - Schedule of Option Activity (Details) - Common Class A
12 Months Ended
Dec. 31, 2015
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]  
Outstanding at January 1, 2015 | shares 222,410
Granted (in shares) | shares 0
Exercised (in shares) | shares 0
Forfeited (in shares) | shares (20,268)
Outstanding at December 31, 2015 | shares 202,142
Exercisable at December 31, 2015 | shares 189,605
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]  
Beginning of Period, Weighted Average Exercise Price (in USD per share) | $ / shares $ 49.36
Granted (in USD per share) | $ / shares 0.00
Exercised (in USD per share) | $ / shares 0.00
Forfeited (in USD per share) | $ / shares 54.11
Ending of Period, Weighted Average Exercise Price (in USD per share) | $ / shares 48.88
Exercisable (in USD per share) | $ / shares $ 48.57