Intangible Assets And Goodwill (Summary Of Amortization Expense And Estimated Future Amortization Expenses) (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jul. 01, 2012
Jun. 26, 2011
Jul. 01, 2012
Jun. 26, 2011
Dec. 25, 2011
Indefinite-lived Intangible Assets [Line Items]          
Amortization expense $ 7,317 $ 5,729 $ 13,979 $ 10,902  
Fiscal 2012 (remaining 6 months) 14,647   14,647    
Fiscal 2013 27,251   27,251    
Fiscal 2014 27,251   27,251    
Fiscal 2015 27,251   27,251    
Fiscal 2016 27,535   27,535    
Fiscal 2017 and beyond 39,514   39,514    
Net Amount $ 163,449   $ 163,449   $ 177,721