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Components Of Net Inventories (Detail) - USD ($)
$ in Millions
Apr. 03, 2020
Jan. 03, 2020
Inventory, Net [Abstract]    
Raw materials $ 97.7 $ 95.8
Work-in-process 13.1 13.2
Finished goods 216.4 203.1
Total inventories $ 327.2 $ 312.1