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Note 4 - Inventories - Inventories by Category and Impact of Using LIFO Method (Details) - USD ($)
$ in Thousands
Jan. 01, 2022
Mar. 31, 2021
Dec. 26, 2020
Finished products $ 515,225 $ 317,654 $ 421,987
In process 26,468 25,175 38,552
Raw materials and supplies 99,611 128,987 90,387
FIFO Inventory Amount 641,304 471,816 550,926
Less excess of FIFO cost over LIFO cost 159,326 128,672 139,999
Total inventories $ 481,978 $ 343,144 $ 410,927