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Defined Benefit Plans (Tables)
9 Months Ended
Sep. 26, 2012
Defined Benefit Plans [Abstract]  
Components of net periodic benefit cost
The components of net periodic benefit cost were as follows:
 
 
Pension Plan
 
Other Defined Benefit Plans
 
 
Quarter Ended
 
Quarter Ended
 
 
September 26, 2012
 
September 28, 2011
 
September 26, 2012
  
September 28, 2011
 
 
(In thousands)
Service cost
 $95  $84  $  $ 
Interest cost
  800   841   29   32 
Expected return on plan assets
  (1,024 )  (1,046 )      
Amortization of net loss
  441   251   13   8 
Net periodic benefit cost
 $312  $130  $42  $40 
 
 
 
Pension Plan
 
Other Defined Benefit Plans
 
 
Three Quarters Ended
 
Three Quarters Ended
 
 
September 26, 2012
 
September 28, 2011
 
September 26, 2012
  
September 28, 2011
 
 
(In thousands)
Service cost
 $285  $251  $  $ 
Interest cost
  2,400   2,523   87   95 
Expected return on plan assets
  (3,042 )  (3,137 )      
Amortization of net loss
  1,322   753   39   24 
Net periodic benefit cost
 $965  $390  $126  $119