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Note 7 - Components of Net Periodic Cost (Benefit) Related to Pension and Other Postretirement Benefit Plans (Tables)
 9 Months Ended
Aug. 27, 2016
Notes Tables  
Schedule of Net Benefit Costs [Table Text Block]
 
  
Three Months Ended August 27, 2016 and August 29, 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  
 
$
519
    $ 467  
 
$
84
    $ 112  
Interest cost
 
 
3,768
      4,082  
 
 
1,343
      1,471  
 
 
479
      510  
Expected return on assets
 
 
(6,078
)
     (6,421 )
 
 
(2,435
)
     (2,590 )
 
 
(1,341
)
     (1,377 )
Amortization:
                                                
Prior service cost
 
 
7
      7  
 
 
(1
)
     (1 )
 
 
(10
)
     (626 )
Actuarial loss
 
 
1,292
      1,407  
 
 
788
      775  
 
 
532
      607  
Net periodic (benefit) cost
 
$
(984
)
   $ (898 )
 
$
214
 
   $ 122  
 
$
(256
)
   $ (774 )
 
  
Nine Months Ended August 27, 2016 and August 29, 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
 
$
81
    $ 80  
 
$
1,480
    $ 1,447  
 
$
252
    $ 336  
Interest cost
 
 
11,303
      12,242  
 
 
4,076
      4,448  
 
 
1,439
      1,531  
Expected return on assets
 
 
(18,232
)
     (19,262 )
 
 
(7,400
)
     (7,830 )
 
 
(4,025
)
     (4,132 )
Amortization:
                                                
Prior service cost
 
 
21
      22  
 
 
(3
)
     (3 )
 
 
(30
)
     (1,878 )
Actuarial loss
 
 
3,878
      4,221  
 
 
2,293
      2,387  
 
 
1,596
      1,823  
Net periodic (benefit) cost
 
$
(2,949
)
   $ (2,697 )
 
$
446
    $ 449  
 
$
(768
)
   $ (2,320 )