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Note 14 - Employee Benefit Plans
 3 Months Ended
Apr. 03, 2016
Notes to Financial Statements  
Pension and Other Postretirement Benefits Disclosure [Text Block]
(14)         Employee Benefit Plans
 
Pension expense (benefit) consisted of the following (in thousands):
 
 
 
Three Months Ended
 
 
 
April 3,
 
 
April 5,
 
 
 
2016
 
 
2015
 
 
 
(Unaudited)
 
Service cost
   $ 3     $ 4  
Interest cost on projected benefit obligation
     426       434  
Net amortizations of actuarial loss
     174       170  
Expected return on plan assets
     (496 )     (564 )
    $ 107     $ 44