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Note 7 - Components of Net Periodic Cost (Benefit) Related to Pension and Other Postretirement Benefit Plans (Tables)
 3 Months Ended
Feb. 27, 2016
Notes Tables  
Schedule of Net Benefit Costs [Table Text Block]
 
  
Quarter Ended February 27, 2016 and February 28, 2015
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
Other
 
 
  
Pension Benefits
    
Postretirement
  
 
  
U.S. Plans
    
Non-U.S. Plans
    
Benefits
  
Net periodic cost (benefit):
  
2016
    
2015
    
2016
    
2015
    
2016
    
2015
  
Service cost
 
$
27
    $ 27  
 
$
480
    $ 507  
 
$
84
    $ 112  
Interest cost
 
 
3,767
      4,081  
 
 
1,367
      1,516  
 
 
480
      510  
Expected return on assets
 
 
(6,077
)
     (6,420 )
 
 
(2,482
)
     (2,667 )
 
 
(1,342
)
     (1,377 )
Amortization:
                                                
Prior service cost
 
 
7
      7  
 
 
(1
)
     (1 )
 
 
(10
)
     (626 )
Actuarial loss (gain)
 
 
1,293
      1,407  
 
 
752
      831  
 
 
532
      608  
Net periodic (benefit) cost
 
$
(983
)
   $ (898 )
 
$
116
    $ 186  
 
$
(256
)
   $ (773 )