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Note 4 - Inventories (Tables)
3 Months Ended
Jun. 28, 2025
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   

As of:

 
   

June 28,

   

June 29,

   

March 31,

 
   

2025

   

2024

   

2025

 

Finished products

  $ 587,053     $ 753,175     $ 619,598  

Work in process

    99,651       118,914       106,006  

Raw materials and supplies

    275,189       291,622       237,607  
      961,893       1,163,711       963,211  

Less: excess of FIFO cost over LIFO cost

    (347,458 )     (321,864 )     (359,256 )

Total inventories

  $ 614,435     $ 841,847     $ 603,955