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Preferred and Common Stock (Tables)
12 Months Ended
Oct. 31, 2020
Stockholders' Equity Note [Abstract]  
Schedule of Share Repurchase Activity
Year Ended
(in millions, except per share amounts)October 31, 2020
Total number of shares purchased0.2 
Average price paid per share$36.16 
Total cash paid for share repurchases$5.1