Goodwill and Other Intangible Assets Acquired (Details) - Goodwill (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 25, 2012	Dec. 25, 2011
Goodwill [Roll Forward]
Goodwill, gross, beginning of period	$ 1,294,112
Accumulated impairment losses	(805,218)	(805,218)
Goodwill (less accumulated impairment losses), beginning of period	488,894
Foreign currency translation	1,368
Goodwill, gross, end of period	1,295,480
Goodwill (less accumulated impairment losses), end of period	490,262
News Media Group [Member]
Goodwill [Roll Forward]
Goodwill, gross, beginning of period	926,836
Accumulated impairment losses	(805,218)	(805,218)
Goodwill (less accumulated impairment losses), beginning of period	121,618
Foreign currency translation	1,368
Goodwill, gross, end of period	928,204
Goodwill (less accumulated impairment losses), end of period	122,986
About Group [Member]
Goodwill [Roll Forward]
Goodwill, gross, beginning of period	367,276
Accumulated impairment losses	0	0
Goodwill (less accumulated impairment losses), beginning of period	367,276
Foreign currency translation	0
Goodwill, gross, end of period	367,276
Goodwill (less accumulated impairment losses), end of period	$ 367,276