Earnings Per Common Share - Reconciliation of Basic Weighted-Average Common Shares Outstanding to Diluted Weighted-Average Shares Outstanding (Detail) - shares	12 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018
Earnings Per Share [Abstract]
Basic weighted-average common shares outstanding	63,044,872	62,789,165	63,966,977
Dilutive stock options	0	0	1,242,644
Dilutive restricted stock units	0	0	548
Dilutive restricted stock awards	0	0	0
Dilutive performance stock units	0	0	0
Diluted weighted-average common shares	63,044,872	62,789,165	65,210,169