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Inventories (Tables)
6 Months Ended
Apr. 30, 2021
Inventory Disclosure [Abstract]  
Schedule of inventories
(In millions)April 30, 2021October 31, 2020
Raw materials$143.6 $151.0 
Work-in-process13.8 12.4 
Finished goods424.6 407.0 
Total inventories$582.0 $570.4