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Note 4 - Inventories - Inventories by Category and Impact of Using LIFO Method (Details) - USD ($) $ in Thousands | Dec. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Finished products | $ 912,430 | $ 613,622 | $ 738,331
In process | 111,939 | 75,123 | 67,380
Raw materials and supplies | 266,603 | 284,593 | 218,572
FIFO Inventory Amount | 1,290,972 | 973,338 | 1,024,283
Less excess of FIFO cost over LIFO cost | 322,083 | 302,440 | 250,162
Total inventories | $ 968,889 | $ 670,898 | $ 774,121

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- Definition Carrying amount as of the balance sheet date of merchandise or goods which are partially completed, are generally comprised of raw materials, labor and factory overhead costs, and which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing on a FIFO basis + References No definition available. + Details
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