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Goodwill and Other Intangible Assets - Additional Information (Detail) (USD $)
 12 Months Ended
Dec. 30, 2012
Dec. 25, 2011
Dec. 26, 2010
Goodwill and Intangible Assets Disclosure [Line Items]      
Goodwill and intangible asset impairment     $ 29,000,000
Amortization expense 33,293,000 31,634,000 31,362,000
Expected annual amortization expenses in 2013 34,000,000    
Expected annual amortization expenses in 2017 13,000,000    
Customer Relationships | Minimum
      
Goodwill and Intangible Assets Disclosure [Line Items]      
Intangible assets, useful life (in years) 3 years    
Customer Relationships | Maximum
      
Goodwill and Intangible Assets Disclosure [Line Items]      
Intangible assets, useful life (in years) 25 years    
Other Intangible Assets | Minimum
      
Goodwill and Intangible Assets Disclosure [Line Items]      
Intangible assets, useful life (in years) 3 years    
Other Intangible Assets | Maximum
      
Goodwill and Intangible Assets Disclosure [Line Items]      
Intangible assets, useful life (in years) 21 years    
Digital
      
Goodwill and Intangible Assets Disclosure [Line Items]      
Goodwill and intangible asset impairment 90,053,000   11,000,000
Non cash impairment charges on other intangible assets     2,000,000
Publishing
      
Goodwill and Intangible Assets Disclosure [Line Items]      
Impairment of other intangible assets     $ 17,000,000