Pension Benefits - Schedule of Multiemployer Plans (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 29, 2013		Sep. 29, 2013		Jun. 30, 2013		Mar. 31, 2013		Dec. 28, 2014		Dec. 29, 2013		Dec. 30, 2012
Pension Benefits
Multiemployer pension withdrawal expense, including amount for New England Media Group									$ 0		$ 14,168,000		$ 0
Multiemployer pension plan withdrawal expense	0	[1]	6,171,000	[1]	0	[1]	0	[1]	0		6,171,000	[1]	0
Multiemployer plan, withdrawal obligation	119,000,000								116,000,000		119,000,000
Multiemployer plan, period contributions									2,971,000		4,079,000		5,522,000
CWA/ITU Negotiated Pension Plan [Member]
Pension Benefits
Multiemployer plan, period contributions									611,000	[2]	663,000	[2]	646,000	[2]
Newspaper and Mail Deliverers'-Publishers' Pension Fund [Member]
Pension Benefits
Multiemployer plan, period contributions									1,102,000	[3]	1,217,000	[3]	1,101,000	[3]
Number of collective bargaining arrangements									2
GCIU-Employer Retirement Benefit Plan [Member]
Pension Benefits
Multiemployer plan, period contributions									58,000	[4]	124,000	[4]	114,000	[4]
Number of collective bargaining arrangements									2
Collective bargaining agreement, actuarial calculation, period for smoothing investment losses (in years)									10 years
Collective bargaining agreement, actuarial calculation, asset corridor as percentage of market value of assets, percent									130.00%
Pressmen's Publishers' Pension Fund [Member]
Pension Benefits
Multiemployer plan, period contributions									1,097,000	[5]	1,016,000	[5]	1,037,000	[5]
Collective bargaining agreement, actuarial calculation, period for smoothing investment losses (in years)									10 years
Paper-Handlers' - Publishers' Pension Fund [Member]
Pension Benefits
Multiemployer plan, period contributions									103,000	[6]	114,000	[6]	121,000	[6]
Collective bargaining agreement, actuarial calculation, period for smoothing investment losses (in years)									10 years
Collective bargaining agreement, actuarial calculation, asset corridor as percentage of market value of assets, percent									130.00%
Total of Individually Significant Multiemployer Plans [Member]
Pension Benefits
Multiemployer plan, period contributions									2,971,000		3,134,000		3,019,000
Total of Other Multiemployer Plans [Member]
Pension Benefits
Multiemployer plan, period contributions									0		945,000		2,503,000
New England Media Group [Member]
Pension Benefits
Multiemployer pension plan withdrawal expense											$ 8,000,000

[1] We recorded an estimated charge related to a partial withdrawal obligation under a multiemployer pension plan.

[2] There are two collective bargaining agreements (Mailers and Typographers) requiring contributions to this plan, which both expire March 30, 2016.

[3] Elections under the Preservation of Access to Care for Medicare Beneficiaries and Pension Relief Act of 2010: Extended Amortization of Net Investment Losses (IRS Section 431(b)(8)(A)) and the Expanded Smoothing Period (IRS Section 431(b)(8)(B)).

[4] two collective bargaining agreements requiring contributions to this plan. With the sale of the New England Media Group only one collective bargaining agreement remains for the Stereotypers, which expires March 30, 2017. The method for calculating actuarial value of assets was changed retroactive to January 1, 2009, as elected by the Board of Trustees and as permitted by IRS Notice 2010-83. This election includes smoothing 2008 investment losses over ten years and widening the asset corridor to 130% of market value of assets for 2009 and 2010.

[5] The Plan sponsor elected two provisions of funding relief under the Preservation of Access to Care for Medicare Beneficiaries and Pension Relief Act of 2010 (PRA 2010) to more slowly absorb the 2008 plan year investment loss, retroactively effective as of April 1, 2009. These included extended amortization under the prospective method and 10-year smoothing of the asset loss for the plan year beginning April 1, 2008.

[6] Board of Trustees elected funding relief. This election includes smoothing the March 31, 2009 investment losses over 10 years and widening the asset corridor to 130% of market value of assets for April 1, 2009 and April 1, 2010.