Preferred and Common Stock - Repurchase Activity (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
Oct. 31, 2021	Oct. 31, 2020
Stockholders' Equity Note [Abstract]
Total number of shares repurchased (in shares)	0	200,000
Average price paid per share (in USD per share)		$ 36.16
Total cash paid for share repurchases	$ 0.0	$ 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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