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Goodwill, Indefinite-Lived Intangible Assets, and Amortizable Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified | Dec. 29, 2013 | Dec. 30, 2012 | Dec. 25, 2011
--- | --- | --- | ---
Goodwill and Intangible Assets Disclosure [Line Items] |  |  |
Goodwill | $ 3,790,472 | $ 2,846,869 | $ 2,864,885
Intangible Assets Gross | 5,468,881 | 3,568,013 |
Intangible Assets Accumulated Amortization | 201,178 | 221,231 |
Intangible Assets Net | 5,267,703 | 3,346,782 |
Customer Relationships |  |  |
Goodwill and Intangible Assets Disclosure [Line Items] |  |  |
Finite-Lived Intangible Assets, Gross | 290,845 | 313,567 |
Finite-Lived Intangible Assets, Accumulated Amortization | 177,515 | 197,300 |
Finite-Lived Intangible Assets, Net | 113,330 | 116,267 |
Other Intangible Assets |  |  |
Goodwill and Intangible Assets Disclosure [Line Items] |  |  |
Finite-Lived Intangible Assets, Gross | 213,790 | 56,965 |
Finite-Lived Intangible Assets, Accumulated Amortization | 23,663 | 23,931 |
Finite-Lived Intangible Assets, Net | 190,127 | 33,034 |
Mastheads and trade names |  |  |
Goodwill and Intangible Assets Disclosure [Line Items] |  |  |
Indefinite-Lived Intangible Assets (Excluding Goodwill) | 82,570 | 95,308 |
Intangible Assets Accumulated Amortization | 0 | 0 |
Intangible Assets Net | 82,570 | 95,308 |
Television station FCC licenses |  |  |
Goodwill and Intangible Assets Disclosure [Line Items] |  |  |
Indefinite-Lived Intangible Assets (Excluding Goodwill) | 1,091,204 | 255,304 |
Intangible Assets Accumulated Amortization | 0 | 0 |
Intangible Assets Net | 1,091,204 | 255,304 |
Goodwill |  |  |
Goodwill and Intangible Assets Disclosure [Line Items] |  |  |
Goodwill | 3,790,472 | 2,846,869 |
Intangible Assets Accumulated Amortization | 0 | 0 |
Intangible Assets Net | $ 3,790,472 | $ 2,846,869 |

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