Multi-Employer Pension Plans (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Contributions	$ 3,575	$ 4,016	$ 3,967
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	973	988	965
Surcharge Imposed	NA
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	433	242	572
Surcharge Imposed	No
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
Zone Status	Red	Red
FIP/RP Status Pending/ Implemented	Implemented
Contributions	71	216	380
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
Zone Status	Red	Red
FIP/RP Status Pending/ Implemented	Implemented
Contributions	244	279	415
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
Zone Status	Green	Green
FIP/RP Status Pending/ Implemented	NA
Contributions	403	736	341
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
Zone Status	Yellow	Yellow
FIP/RP Status Pending/ Implemented	Implemented
Contributions	1,298	1,355	876
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
Zone Status	Green	Green
FIP/RP Status Pending/ Implemented	NA
Contributions	153	160	158
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
Zone Status	Red	Red
FIP/RP Status Pending/ Implemented	Implemented
Contributions	$ 0	$ 40	$ 260
Surcharge Imposed	No

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation 12B

-Number 240

-Section 12b

-Subsection 1

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- Definition

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.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 80

-Section 50

-Paragraph 5

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 80

-Section 50

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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.

+ References

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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".

+ References

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