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Inventories (Details) - USD ($)
$ in Millions
Feb. 22, 2019
Feb. 23, 2018
Inventory Disclosure [Abstract]    
Raw Materials and Work in Process $ 118.3 $ 98.3
Finished goods 127.2 105.3
Inventories, gross 245.5 203.6
LIFO reserve 20.7 19.0
Inventories 224.8 184.6
FIFO inventory amount $ 96.9 $ 76.3