Fair Value Measurements (Details) (USD $)	3 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. 26, 2010	Jun. 30, 2013 About Group [Member]	Dec. 29, 2013 Nonrecurring [Member]		Dec. 30, 2012 Nonrecurring [Member]		Dec. 25, 2011 Nonrecurring [Member]		Dec. 30, 2012 Nonrecurring [Member] Cost-method Investments [Member]	Jun. 24, 2012 Nonrecurring [Member] About Group [Member]	Dec. 29, 2013 Estimate of Fair Value, Fair Value Disclosure [Member] Recurring [Member]	Dec. 30, 2012 Estimate of Fair Value, Fair Value Disclosure [Member] Recurring [Member]	Dec. 29, 2013 Level 1 [Member] Recurring [Member]	Dec. 30, 2012 Level 1 [Member] Recurring [Member]	Dec. 29, 2013 Level 1 [Member] Nonrecurring [Member]	Dec. 30, 2012 Level 1 [Member] Nonrecurring [Member]	Dec. 25, 2011 Level 1 [Member] Nonrecurring [Member]	Dec. 29, 2013 Level 2 [Member] Recurring [Member]	Dec. 30, 2012 Level 2 [Member] Recurring [Member]	Dec. 29, 2013 Level 2 [Member] Nonrecurring [Member]	Dec. 30, 2012 Level 2 [Member] Nonrecurring [Member]	Dec. 25, 2011 Level 2 [Member] Nonrecurring [Member]	Dec. 29, 2013 Level 3 [Member] Recurring [Member]	Dec. 30, 2012 Level 3 [Member] Recurring [Member]	Dec. 29, 2013 Level 3 [Member] Nonrecurring [Member]	Dec. 30, 2012 Level 3 [Member] Nonrecurring [Member]	Dec. 25, 2011 Level 3 [Member] Nonrecurring [Member]	Dec. 30, 2012 Net Carrying Value [Member]	Jun. 24, 2012 Net Carrying Value [Member]	Dec. 25, 2011 Net Carrying Value [Member]	Dec. 25, 2011 Net Carrying Value [Member] Assets Held-for-sale [Member]	Dec. 29, 2013 Net Carrying Value [Member] Nonrecurring [Member]	Dec. 30, 2012 Net Carrying Value [Member] Nonrecurring [Member]	Dec. 25, 2011 Net Carrying Value [Member] Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale security																								$ 0	$ 4,444,000	$ 0	$ 4,444,000				$ 0	$ 0				$ 0	$ 0
Deferred compensation																								51,660,000	52,882,000	51,660,000	52,882,000				0	0				0	0
Property, plant and equipment, net																												0		0			0		0			0		0					0		0
Impairment of assets, property, plant and equipment																34,300,000	[1]			1,767,000
Goodwill																													0	0				0	0				0	0			0			0	0
Impairment of assets															194,700,000			194,732,000	[2]	152,093,000	[3]		194,732,000
Investments in joint ventures																													0					0					0							0
Impairment of investments	0	0	[4]	600,000	[4]	0	[4]	4,900,000	[4]	0	5,500,000	[4]	0					5,500,000				5,500,000
Other intangible assets																														0					0					2,864,000	2,864,000		3,000,000				2,864,000
Impairment of assets, other intangible assets																				10,574,000
Impairment testing annual growth rate assumption														2.00%				3.50%		5.00%
Impairment testing discount rate assumption													10.70%	10.50%				15.00%		13.80%
Carrying value of intangible asset after impairment charge																																										0		0
Carrying value of long-term debt		690,000,000								677,000,000	690,000,000
Long-term debt, fair value		$ 840,000,000								$ 819,000,000	$ 840,000,000

[1] Impairment losses related to the New England Media Group and are included within “(Loss)/income from discontinued operations, net of income taxes” for the year ended December 30, 2013. We sold the New England Media Group in the fourth quarter of 2013. See Note 15 for additional information.

[2] Impairment losses related to the About Group and are included within “(Loss)/income from discontinued operations, net of income taxes” for the year ended December 25, 2012. We sold the About Group in September 2012. See Note 15 for additional information.

[3] Impairment losses relate to the Regional Media Group and are included within “(Loss)/income from discontinued operations, net of income taxes” for the year ended December 25, 2011. We sold the Regional Media Group in January 2012. See Note 15 for additional information.

[4] In the first and third quarters of 2012, we recorded a $4.9 million and $0.6 million non-cash charge, respectively, for the impairment of certain investments.