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Note 4 - Inventories (Tables)
6 Months Ended
Oct. 02, 2021
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

October 2,

  

September 26,

  

March 31,

 
  

2021

  

2020

  

2021

 

Finished products

 $629,503  $536,015  $317,654 

In process

  17,810   26,514   25,175 

Raw materials and supplies

  101,177   132,830   128,987 
   748,490   695,359   471,816 

Less excess of FIFO cost over LIFO cost

  140,311   144,655   128,672 

Total inventories

 $608,179  $550,704  $343,144