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Inventories (Details) - USD ($)
$ in Millions
Jan. 31, 2020
Oct. 31, 2019
Inventory Disclosure [Abstract]    
Raw materials $ 133.3 $ 131.4
Work-in-process 12.5 13.3
Finished goods 380.7 362.2
Inventories, net $ 526.5 $ 506.9