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Note 6 - Revolving Credit Facility (Tables)
6 Months Ended
Sep. 29, 2018
Notes Tables  
Schedule of Line of Credit Facilities [Table Text Block]
   
Second Quarter
   
Year-to-Date
 
   
2019
   
2018
   
2019
   
2018
 
   
(In thousands)
   
(In thousands)
 
Reported end of period:
                               
Outstanding borrowings
  $
242,947
    $
272,609
    $
242,947
    $
272,609
 
Weighted average interest rate
   
3.73
%
   
2.75
%
   
3.73
%
   
2.75
%
Reported during the period:
                               
Maximum amount of borrowings
  $
242,947
    $
274,117
    $
294,062
    $
274,117
 
Average outstanding borrowings
  $
220,917
    $
244,160
    $
241,855
    $
229,235
 
Weighted average interest rate
   
3.64
%
   
2.58
%
   
3.56
%
   
2.45
%