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Subsequent Events	12 Months Ended
Subsequent Events	Dec. 31, 2012
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events On February 1, 2013, the Company acquired for cash the shares of IGN Entertainment, an online publisher of video game, entertainment and men's lifestyle content. On February 12, 2013, the Company's Board of Directors approved a quarterly cash dividend of $0.2325 per share of common stock payable on March 4, 2013 to all stockholders of record as of the close of business on February 25, 2013. On February 12, 2013, the Company's Board of Directors approved an extension of the share repurchase program set to expire February 20, 2013 by an additional year.