Discontinued Operations (Narrative) (Details) (USD $)	3 Months Ended					12 Months Ended					3 Months Ended			3 Months Ended		12 Months Ended					3 Months Ended		12 Months Ended					3 Months Ended	9 Months Ended	12 Months Ended						3 Months Ended	12 Months Ended			3 Months Ended
	Mar. 31, 2013	Dec. 30, 2012	Sep. 23, 2012	Jun. 24, 2012	Mar. 25, 2012	Dec. 29, 2013		Dec. 30, 2012		Dec. 25, 2011	Dec. 30, 2012 About Group's Consumersearch Tradename [Member]	Dec. 30, 2012 Net Carrying Value [Member]	Dec. 25, 2011 Net Carrying Value [Member]	Dec. 29, 2013 New England Media Group [Member]	Sep. 29, 2013 New England Media Group [Member]	Dec. 29, 2013 New England Media Group [Member]		Dec. 30, 2012 New England Media Group [Member]		Dec. 25, 2011 New England Media Group [Member]	Jun. 30, 2013 About Group [Member]	Dec. 30, 2012 About Group [Member]	Dec. 29, 2013 About Group [Member]		Dec. 30, 2012 About Group [Member]		Dec. 25, 2011 About Group [Member]	Mar. 25, 2012 Regional Media Group [Member] Newspaper	Dec. 30, 2012 Regional Media Group [Member]	Dec. 29, 2013 Regional Media Group [Member]		Dec. 30, 2012 Regional Media Group [Member]		Dec. 25, 2011 Regional Media Group [Member]	Dec. 29, 2013 Metro Boston LLC [Member]	Mar. 25, 2012 Other Postretirement Benefit Plans, Defined Benefit [Member]	Dec. 29, 2013 Other Postretirement Benefit Plans, Defined Benefit [Member]	Dec. 30, 2012 Other Postretirement Benefit Plans, Defined Benefit [Member]	Dec. 25, 2011 Other Postretirement Benefit Plans, Defined Benefit [Member]	Dec. 29, 2013 Other Postretirement Benefit Plans, Defined Benefit [Member] New England Media Group [Member]
Discontinued operations
Effect of curtailment																																				$ 27,200,000	$ 49,122,000	$ 27,213,000	$ 0	$ 49,100,000
Equity method investment, ownership percentage																																			49.00%
Proceeds from the sale of discontinued operations														70,000,000								300,000,000						140,000,000
Net after-tax proceeds from sale, including tax benefit														74,000,000								291,000,000						150,000,000
Impairment of goodwill															34,300,000						194,700,000
Gain on sale						47,980,000	[1]	91,234,000								47,561,000	[1],[2]	0				96,700,000	419,000	[1]	96,675,000					0	[1]	(5,441,000)
Gain on sale, net of income taxes						28,362,000		85,520,000		0						28,104,000		0				61,900,000	258,000		61,890,000			23,600,000		0		23,630,000
Number of newspapers, print publications and related businesses sold																												16
Income/(loss) from discontinued operations, net of income taxes	(2,785,000)	60,080,000	5,703,000	(121,900,000)	28,190,000	7,949,000		(27,927,000)		(82,799,000)						5,194,000		(1,444,000)					2,755,000		(48,947,000)				(6,600,000)	0		22,464,000
Goodwill													0
Impairment of assets						34,300,000		194,732,000		164,434,000	3,100,000
Impairment of assets						34,300,000	[3]	194,732,000	[4]	156,976,000						34,300,000	[3]	0	[4]	1,767,000			0	[3]	194,732,000	[4]	3,116,000			0	[3]	0	[4]	152,093,000
Net working capital adjustment																						17,000,000
Cost method investments												$ 2,864,000	$ 3,000,000

[1] Included in the gain on sale in 2013 is a $49.1 million post-retirement curtailment gain related to the New England Media Group.

[2] The income tax benefit for the About Group in 2013 is related to a change in prior period estimated tax expense.

[3] Included in impairment of assets in 2013 is the impairment of fixed assets related to the New England Media Group.

[4] Included in impairment of assets in 2012 is the impairment of goodwill related to the About Group.