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Note 9 - Plant Restructuring (Tables)
6 Months Ended
Sep. 28, 2019
Notes Tables  
Restructuring and Related Costs [Table Text Block]
   
Restructuring Payable
 
   
Severance
   
Other Costs
   
Total
 
   
(In thousands)
 
                         
Balance March 31, 2019
  $
225
    $
1
    $
226
 
First quarter charge
   
586
     
4,220
     
4,806
 
Second quarter charge
   
386
     
760
     
1,146
 
Cash payments/write offs
   
(836
)    
(4,981
)    
(5,817
)
Balance September 28, 2019
  $
361
    $
-
    $
361
 
   
Severance
   
Other Costs
   
Total
 
   
(In thousands)
 
                         
Balance March 31, 2018
  $
-
    $
-
    $
-
 
First quarter charge
   
110
     
(72
)    
38
 
Second quarter charge
   
845
     
-
     
845
 
Cash payments/write offs
   
(177
)    
72
     
(105
)
Balance September 29, 2018
  $
778
    $
-
    $
778