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Inventories (Details) - USD ($)
Nov. 27, 2020
Feb. 28, 2020
Inventories [Abstract]    
Raw materials and work-in-process $ 130,800,000 $ 122,000,000.0
Finished goods 123,300,000 112,800,000
Inventory, net of valuation allowances 254,100,000 234,800,000
LIFO reserve 19,100,000 19,800,000
Inventory, net of valuation allowances and LIFO reserve 235,000,000.0 215,000,000.0
FIFO inventory amount $ 106,500,000 $ 93,800,000