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Debt And Bank Credit Facilities (Maturities Of Long-Term Debt) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2011
Jan. 01, 2011
Debt And Bank Credit Facilities [Abstract]    
2012 $ 10,030  
2013 145,448  
2014 150,207  
2015 212  
2016 12,017  
Thereafter 601,275  
Long-term debt, Total $ 919,189 $ 436,893