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Goodwill and Other Intangible Assets - Additional Information (Detail) (USD $)
 12 Months Ended
Dec. 25, 2011
Dec. 26, 2010
Dec. 27, 2009
Goodwill and Intangible Assets Disclosure [Line Items]      
Non cash impairment charges   $ 30,000,000 $ 42,000,000
Non cash impairment charges on goodwill   10,603,000 33,000,000
Non cash impairment charges on other intangible assets   19,000,000  
Amortization expense 31,634,000 31,362,000 32,983,000
Expected annual amortization expenses in 2012 31,000,000    
Expected annual amortization expenses in 2016 14,000,000    
Customer Relationships
      
Goodwill and Intangible Assets Disclosure [Line Items]      
Intangible assets, minimum useful life (in years) 3    
Intangible assets, maximum useful life (in years) 25    
Other Intangible Assets
      
Goodwill and Intangible Assets Disclosure [Line Items]      
Intangible assets, minimum useful life (in years) 4    
Intangible assets, maximum useful life (in years) 21    
Digital
      
Goodwill and Intangible Assets Disclosure [Line Items]      
Non cash impairment charges on goodwill   10,603,000 16,000,000
Non cash impairment charges on other intangible assets   2,000,000 9,000,000
Publishing
      
Goodwill and Intangible Assets Disclosure [Line Items]      
Non cash impairment charges on other intangible assets   $ 17,000,000 $ 17,000,000