Preferred and Common Stock - Narrative (Details) - USD ($)	12 Months Ended
	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017	Dec. 18, 2019	Sep. 02, 2015
Equity, Class of Treasury Stock [Line Items]
Preferred stock, shares authorized (in shares)	500,000	500,000
Preferred stock, shares issued (in shares)	0	0
Share repurchase program, authorized amount					$ 200,000,000.0
Share repurchase program, remaining authorized amount	$ 134,100,000
Total number of shares repurchased (in shares)	0	0	200,000
Average price paid per share (usd per share)			$ 40.07
Total cash paid for share repurchase			$ 7,900,000
Subsequent Event
Equity, Class of Treasury Stock [Line Items]
Share repurchase program, authorized amount				$ 150,000,000.0