Multi-Employer Pension Plans (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 29, 2013	Dec. 30, 2012	Dec. 25, 2011
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Contributions	$ 4,016	$ 3,967	$ 3,604
American Federation Of Television And Radio Artists
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
EIN Number	136414972
Multiemployer Plan Number	001
Zone Status	Green	Green
FIP/RP Status Pending/ Implemented	NA
Contributions	988	965	896
Surcharge Imposed	NA
Multiemployer Plans, Collective-Bargaining Arrangement, Expiration Date, First	May 31, 2015
Multiemployer Plans, Collective-Bargaining Arrangement, Expiration Date, Last	Sep. 11, 2015
CWA/ITU Negotiated Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
EIN Number	136212879
Multiemployer Plan Number	001
Zone Status	Red	Red
FIP/RP Status Pending/ Implemented	Implemented
Contributions	242	572	146
Surcharge Imposed	No
Multiemployer Plans, Collective-Bargaining Arrangement, Expiration Date, First	Aug. 17, 2013
Multiemployer Plans, Collective-Bargaining Arrangement, Expiration Date, Last	Dec. 31, 2015
GCIU - Employer Retirement Benefit Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
EIN Number	916024903
Multiemployer Plan Number	001
Multiemployer Plans, Collective-Bargaining Arrangement, Expiration Date	Jan. 31, 2015
Zone Status	Red	Red
FIP/RP Status Pending/ Implemented	Implemented
Contributions	216	380	280
Surcharge Imposed	No
Newspaper Guild Of Detroit
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
EIN Number	521082662
Multiemployer Plan Number	001
Multiemployer Plans, Collective-Bargaining Arrangement, Expiration Date	Nov. 13, 2015
Zone Status	Red	Red
FIP/RP Status Pending/ Implemented	Implemented
Contributions	279	415	385
Surcharge Imposed	No
International Association Of Machinists
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
EIN Number	516031295
Multiemployer Plan Number	002
Multiemployer Plans, Collective-Bargaining Arrangement, Expiration Date	Apr. 30, 2016
Zone Status	Green	Green
FIP/RP Status Pending/ Implemented	NA
Contributions	736	341	308
Surcharge Imposed	NA
Teamster Pension Fund of Philadelphia and Vicinity
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
EIN Number	231511735
Multiemployer Plan Number	001
Multiemployer Plans, Collective-Bargaining Arrangement, Expiration Date	Mar. 13, 2013
Zone Status	Yellow	Yellow
FIP/RP Status Pending/ Implemented	Implemented
Contributions	1,355	876	1,054
Surcharge Imposed	NA
Central Pension Fund of the International Union of Operating Engineers and Participating Employers
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
EIN Number	366052390
Multiemployer Plan Number	001
Multiemployer Plans, Collective-Bargaining Arrangement, Expiration Date	Apr. 30, 2016
Zone Status	Green	Green
FIP/RP Status Pending/ Implemented	NA
Contributions	160	158	163
Surcharge Imposed	NA
Central States Southeast and Southwest Areas Pension Fund
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
EIN Number	366044243
Multiemployer Plan Number	001
Multiemployer Plans, Collective-Bargaining Arrangement, Expiration Date	Jun. 30, 2013
Zone Status	Red	Red
FIP/RP Status Pending/ Implemented	Implemented
Contributions	$ 40	$ 260	$ 372
Surcharge Imposed	No
Period 2 \| CWA/ITU Negotiated Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Multiemployer Plans, Collective-Bargaining Arrangement, Expiration Date	Feb. 01, 2014
Period 3 \| CWA/ITU Negotiated Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Multiemployer Plans, Collective-Bargaining Arrangement, Expiration Date	Oct. 15, 2014
Period 4 \| CWA/ITU Negotiated Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Multiemployer Plans, Collective-Bargaining Arrangement, Expiration Date	Nov. 08, 2014

The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.

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Three digit plan number for a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

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Amount of contributions made to multiemployer plans by the employer. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

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Indicate the multiemployer plan's certified zone status as currently required by the Pension Protection Act of 2006 or a subsequent amendment thereof. The zone status categories are red (critical status), orange (seriously endangered), yellow (endangered), and green (none of the above). The acceptable values are "red", "orange", "yellow", "green", "other", and "NA". A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

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Expiration date of the collective bargaining arrangement requiring contributions to the multiemployer plan, in CCYY-MM-DD format. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

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Expiration date of the collective bargaining arrangement requiring contributions to the multiemployer plan that will expire first in a group of associated collective bargaining arrangements, in CCYY-MM-DD format. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

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Expiration date of the collective bargaining arrangement requiring contributions to the multiemployer plan that will expire last in a group of associated collective bargaining arrangements, in CCYY-MM-DD format. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

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Indicate whether a funding improvement plan or rehabilitation plan has been implemented or is pending for a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers. The acceptable values are "no", "pending", "implemented", "other", and "NA".

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Indicate whether the employer paid a surcharge to the pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers. The acceptable values are "no", "yes", and "NA".

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