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Income Taxes - Additional Information (Detail) (USD $)
 12 Months Ended
Dec. 30, 2012
Dec. 25, 2011
Dec. 26, 2010
Income Taxes [Line Items]      
Effective income tax rate absent of adjustments 30.90% 31.60% 33.10%
Taxes provided on the earnings from discontinued operations     $ 11,700,000
Effective income tax rate on discontinued operations     36.00%
Recognized gain on disposals, net of tax 0 0 21,195,000
Taxes provided on the gains from the disposals     12,200,000
Effective income tax rate on the gains from the disposals     36.00%
Deferred tax assets valuation allowance 76,419,000 54,287,000  
Unrecognized tax benefits that, if recognized, would impact effective tax rate 63,000,000 78,000,000  
Recognized income (expense) from interest and the release of penalty reserves 8,000,000 4,000,000 40,000,000
Accrued interest and penalties payable related to unrecognized tax benefits 29,000,000 35,000,000  
Estimated decrease in gross unrecognized tax positions within the next 12 months, maximum $ 50,000,000    
Federal
      
Income Taxes [Line Items]      
Tax years subject to examination The 2009 through 2011 tax years remain subject to examination by the IRS    
State
      
Income Taxes [Line Items]      
Tax years subject to examination The 2005 through 2011 tax years generally remain subject to examination by state authorities    
United Kingdom
      
Income Taxes [Line Items]      
Tax years subject to examination the years 2010 and 2011 are subject to examination in the U.K.