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Inventories - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Jan. 02, 2021
Dec. 28, 2019
Inventory Disclosure [Abstract]    
LIFO inventory amount $ 35.6 $ 81.2
Effect of LIFO Inventory Liquidation on Income 3.9 0.4
Excess of FIFO over LIFO value $ 7.5 $ 11.4