Goodwill and Other Intangible Assets Acquired (Details) - Goodwill (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 24, 2012	Jun. 24, 2012	Dec. 25, 2011
Goodwill [Roll Forward]
Goodwill, gross, beginning of period		$ 1,294,112
Accumulated impairment losses	(999,950)	(999,950)	(805,218)
Goodwill (less accumulated impairment losses), beginning of period		488,894
Impairment of assets, goodwill		(194,732)
Foreign currency translation		(2,868)
Goodwill, gross, end of period	1,291,244	1,291,244
Goodwill (less accumulated impairment losses), end of period	291,294	291,294
News Media Group [Member]
Goodwill [Roll Forward]
Goodwill, gross, beginning of period		926,836
Accumulated impairment losses	(805,218)	(805,218)	(805,218)
Goodwill (less accumulated impairment losses), beginning of period		121,618
Impairment of assets, goodwill		0
Foreign currency translation		(2,868)
Goodwill, gross, end of period	923,968	923,968
Goodwill (less accumulated impairment losses), end of period	118,750	118,750
About Group [Member]
Goodwill [Roll Forward]
Goodwill, gross, beginning of period		367,276
Accumulated impairment losses	(194,732)	(194,732)	0
Goodwill (less accumulated impairment losses), beginning of period		367,276
Impairment of assets, goodwill	(194,732)	(194,732)
Foreign currency translation		0
Goodwill, gross, end of period	367,276	367,276
Goodwill (less accumulated impairment losses), end of period	$ 172,544	$ 172,544