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Inventories - Inventories by Major Classification (Detail) - USD ($)
$ in Millions
Dec. 28, 2019
Dec. 29, 2018
Inventory Disclosure [Abstract]    
Finished goods $ 661.0 $ 577.0
Work in progress 57.1 51.7
Raw materials 126.8 123.5
Total FIFO value 844.9 752.2
Excess of current cost over LIFO cost (84.5) (78.4)
Total inventories – net $ 760.4 $ 673.8