Goodwill and Other Intangible Assets (Details) (USD $)	9 Months Ended
	Sep. 30, 2012	Dec. 31, 2011
Goodwill and Other Intangible Assets [Abstract]
Goodwill	$ 573,482,000
Amortizable intangible assets [Abstract]
Total carrying amount	797,561,000	669,409,000
Total accumulated amortization	(149,318,000)	(113,314,000)
Total other intangible assets	648,243,000	556,095,000
Total goodwill and other intangible assets	1,221,725,000	1,066,579,000
Segment Reporting Information [Line Items]
Balance as of beginning of period	556,095,000
Additions	68,377,000
Business acquisitions intangible assets	59,977,000
Foreign currency translation adjustment intangible asset	(273,000)
Amortization	(35,933,000)
Balance as of end of period	648,243,000
Goodwill [Roll Forward]
Balance as of beginning of period	510,484,000
Business acquisitions	63,149,000
Foreign currency translation adjustment	(151,000)
Balance as of end of period	573,482,000
Estimated future amortization expense [Abstract]
Future amortization expense, year one	13,200,000
Future amortization expense, year two	53,100,000
Future amortization expense, year three	52,600,000
Future amortization expense, year four	43,800,000
Future amortization expense, year five	43,400,000
Future amortization expense, after year five	442,100,000
Corporate [Member]
Goodwill and Other Intangible Assets [Abstract]
Goodwill	62,998,000
Segment Reporting Information [Line Items]
Balance as of beginning of period	66,000
Business acquisitions intangible assets	59,977,000
Foreign currency translation adjustment intangible asset	(273,000)
Amortization	(1,760,000)
Balance as of end of period	58,010,000
Goodwill [Roll Forward]
Business acquisitions	63,149,000
Foreign currency translation adjustment	(151,000)
Balance as of end of period	62,998,000
Lifestyle Media [Member]
Goodwill and Other Intangible Assets [Abstract]
Goodwill	510,484,000
Segment Reporting Information [Line Items]
Balance as of beginning of period	556,029,000
Additions	68,377,000
Amortization	(34,173,000)
Balance as of end of period	590,233,000
Goodwill [Roll Forward]
Balance as of beginning of period	510,484,000
Balance as of end of period	510,484,000
Acquired network distribution [Member]
Amortizable intangible assets [Abstract]
Total carrying amount	566,936,000	514,944,000
Total accumulated amortization	(91,039,000)	(70,082,000)
Customer lists [Member]
Amortizable intangible assets [Abstract]
Total carrying amount	90,509,000	87,107,000
Total accumulated amortization	(39,154,000)	(28,981,000)
Copyrights and other trade names [Member]
Amortizable intangible assets [Abstract]
Total carrying amount	63,724,000	59,350,000
Total accumulated amortization	(11,407,000)	(8,800,000)
Other [Member]
Amortizable intangible assets [Abstract]
Total carrying amount	76,392,000	8,008,000
Total accumulated amortization	$ (7,718,000)	$ (5,451,000)