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Pension Plans (Tables) (Pension Plans, Defined Benefit [Member])
 9 Months Ended
Sep. 28, 2012
Pension Plans, Defined Benefit [Member]
  
Schedule of Defined Benefit Plans Disclosures [Table Text Block]

The following table summarizes the components of net periodic pension cost recorded for the Company’s defined benefit pension plans (in thousands):

 

    Three Months
Ended
September 28,
2012		     Three Months
Ended
September 30,
2011		     Nine Months
Ended
September 28,
2012		     Nine Months
Ended
September 30,
2011		  
Service cost   $ 122     $ 161     $ 364     $ 423  
Interest cost     34       42       102       104  
Expected return on plan assets     (28 )     (34 )     (81 )     (83 )
Amortization of unrecognized transitional obligation     4       4       12       12  
Amortization of prior service cost     —       (1 )     (1 )     (1 )
Recognized actuarial gain     (1 )     (2 )     (4 )     (18 )
    $ 131     $ 170     $ 392     $ 437