CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Paid-In Capital	Retained Earnings
Beginning Balance (in shares) at Oct. 31, 2018		22,099,780
Beginning Balance at Oct. 31, 2018	$ 1,387,893	$ 22,100	$ 81,269	$ 1,284,524
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(17,833)			(17,833)
Cash dividends ($0.32 per share)	(7,089)			(7,089)
Stock compensation plan transactions (in shares)		53,688
Stock compensation plan transactions	(2,073)	$ 53	(2,126)
Amortization of unearned compensation	2,313		2,313
Ending Balance at Jan. 31, 2019	$ 1,363,211	$ 22,153	81,456	1,259,602
Ending Balance (in shares) at Jan. 31, 2019		22,153,468
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends, per share (in usd per share)	$ 0.32
Beginning Balance (in shares) at Oct. 31, 2019		22,203,920
Beginning Balance at Oct. 31, 2019	$ 1,417,675	$ 22,204	86,010	1,309,461
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(38,576)			(38,576)
Cash dividends ($0.32 per share)	(7,113)			(7,113)
Stock compensation plan transactions (in shares)		25,292
Stock compensation plan transactions	(4,696)	$ 25	(4,721)
Amortization of unearned compensation	2,082		2,082
Ending Balance at Jan. 31, 2020	$ 1,369,372	$ 22,229	$ 83,371	$ 1,263,772
Ending Balance (in shares) at Jan. 31, 2020		22,229,212
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends, per share (in usd per share)	$ 0.32