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Inventories
3 Months Ended
Mar. 30, 2024
Inventory Disclosure [Abstract]  
Inventories Inventories
The Corporation’s residential building products inventories, and a majority of its workplace furnishings inventories, are valued at cost, on the "last-in, first-out" (LIFO) basis. Remaining inventories are generally valued at the lower of cost, on the "first-in, first-out" (FIFO) basis, or net realizable value. Inventories included in the Condensed Consolidated Balance Sheets consisted of the following:
March 30,
2024
December 30,
2023
Finished products, net$130.6 $112.9 
Materials and work in process, net126.0 128.2 
LIFO allowance(44.5)(44.5)
Total inventories, net$212.1 $196.6 
Inventory valued by the LIFO costing method94 %91 %

In addition to the LIFO allowance, the Corporation recorded inventory allowances reducing finished products, materials, and work in process of $14.7 million and $14.2 million as of March 30, 2024 and December 30, 2023, respectively, to adjust for excess and obsolete inventory or otherwise reduce FIFO-basis inventory to net realizable value.