CONSOLIDATED STATEMENTS OF INCOME (USD $)
In Thousands, except Per Share data, unless otherwise specified
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Revenues:      
Television $ 246,780 $ 222,894 $ 169,637
Online 77,477 18,434 13,076
Total revenues 324,257 241,328 182,713
Cost of revenues (excluding depreciation and amortization):      
Television 80,700 65,940 61,584
Online 23,997 7,290 4,354
Total cost of revenues 104,697 73,230 65,938
Operating expenses:      
Sales and marketing 31,549 13,534 12,678
Research and development 17,818 10,601 6,257
General and administrative 48,029 32,620 25,749
Acquisition and integration 15,119 269  
Depreciation and amortization 38,736 29,236 25,736
Total operating expenses 151,251 86,260 70,420
Income from operations 68,309 81,838 46,355
Other expense:      
Interest expense 14,915 7,350 11,774
Interest (income) and other expense, net 637 (221) 99
Income before income taxes 52,757 74,709 34,482
Provision for income taxes 26,220 29,407 14,558
Income from continuing operations 26,537 45,302 19,924
Discontinued operations:      
Income (loss) from discontinued operations (2,053) (3,733) 577
Net income $ 24,484 $ 41,569 $ 20,501
Basic income (loss) per common share:      
Continuing (in dollars per share) $ 0.96 $ 1.65 $ 0.87
Discontinued (in dollars per share) $ (0.07) $ (0.13) $ 0.03
Total (in dollars per share) $ 0.89 $ 1.52 $ 0.90
Diluted income (loss) per common share:      
Continuing (in dollars per share) $ 0.95 $ 1.63 $ 0.85
Discontinued (in dollars per share) $ (0.07) $ (0.13) $ 0.03
Total (in dollars per share) $ 0.88 $ 1.50 $ 0.88
Weighted average common shares outstanding:      
Basic (in shares) 27,516 27,226 22,572
Diluted (in shares) 27,760 27,570 23,091