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Schedule of Annual Maturities of Long-Term Debt (Parenthetical) (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 25, 2011
Dec. 26, 2010
Debt Instrument [Line Items]    
Long term debt $ 1,760,363 $ 2,352,242
Revolving Credit Agreement | Range 1
   
Debt Instrument [Line Items]    
Long term debt 307,000  
Revolving Credit Agreement | Range 2
   
Debt Instrument [Line Items]    
Long term debt 247,000  
Revolving Credit Agreement | Range 3
   
Debt Instrument [Line Items]    
Long term debt $ 542,000