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Other Income (Expense), Net (Tables)
 12 Months Ended
Dec. 29, 2012
Other Income (Expense), Net [Abstract]  
Other Income (Expense), Net
(In thousands)
 
2012
   
2011
   
2010
 
                         
Interest income
 
$
847
   
$
711
   
$
829
 
Environmental expense, non-operating properties
   
(1,128
)
   
(330
)
   
(3,467
)
Other
   
820
     
1,531
     
(12
)
                         
Other income (expense), net
 
$
539
   
$
1,912
   
$
(2,650
)