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Goodwill And Other Intangible Assets (Estimated Future Amortization Expense) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 25, 2011
Goodwill And Other Intangible Assets [Abstract]  
2012 $ 10,031
2013 8,873
2014 8,361
2015 8,187
2016 $ 7,729