Preferred and Common Stock - Repurchase Activity (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018
Stockholders' Equity Note [Abstract]
Total number of shares repurchased (in shares)	200,000	0	0
Average price paid per share (usd per share)	$ 36.16
Total cash paid for share repurchases	$ 5.1

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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-Publisher FASB
-Name Accounting Standards Codification
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