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Business Operations and Segment Information - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 30, 2012 | Dec. 25, 2011 | Dec. 26, 2010
Segment Reporting Disclosure [Line Items] |  |  |
Foreign revenues | $ 546 | $ 568 | $ 564
Long-lived assets in foreign countries | $ 530 | $ 543 | $ 556
Publishing | UNITED STATES |  |  |
Segment Reporting Disclosure [Line Items] |  |  |
Number of daily publications | 82 |  |
Number of states in which company operates | 30 |  |
Number of U.S. territory in which company operates | 1 |  |
Number of non daily publications | 480 |  |
Publishing | United Kingdom |  |  |
Segment Reporting Disclosure [Line Items] |  |  |
Number of daily publications | 17 |  |
Publishing | United Kingdom | Minimum |  |  |
Segment Reporting Disclosure [Line Items] |  |  |
Number of weekly publications | 200 |  |
Broadcasting |  |  |
Segment Reporting Disclosure [Line Items] |  |  |
Number of television stations | 23 |  |
Number of households covered | 21,000,000 |  |
Percentage of U.S. households covered | 18.10% |  |

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- Details
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- Definition Amount of long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets, located in foreign countries in total in which the entity holds assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9038-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 38 -Subparagraph b(2) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Revenues from external customers attributed to all foreign countries in total from which the entity derives revenues. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9038-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 38 -Subparagraph a(2) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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