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Note 4 - Inventories (Tables)
9 Months Ended
Dec. 27, 2025
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   

As of:

 
   

December 27,

   

December 28,

   

March 31,

 
   

2025

   

2024

   

2025

 

Finished products

  $ 709,101     $ 794,430     $ 619,598  

Work in process

    114,694       118,381       106,006  

Raw materials and supplies

    182,033       170,631       237,607  
      1,005,828       1,083,442       963,211  

Less: excess of FIFO cost over LIFO cost

    (337,140 )     (347,760 )     (359,256 )

Total inventories

  $ 668,688     $ 735,682     $ 603,955