Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Beginning Balance at Oct. 31, 2018	$ 199,522	$ 234	$ 114,405	$ 135,813	$ (50,930)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	(3,586)	0	0	(3,586)	0
Other comprehensive income, net of tax	(1,773)	0	0	0	(1,773)
Restricted stock and exercise of stock options	0	4	(4)	0	0
Accounts Receivable, Credit Loss Expense (Reversal)	326
Stock-based compensation cost	(990)	0	(990)	0	0
Ending Balance at Apr. 30, 2019	195,153	238	115,391	132,227	(52,703)
Beginning Balance at Jan. 31, 2019	197,940	237	114,947	131,115	(48,359)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	1,112	0	0	1,112	0
Other comprehensive income, net of tax	(4,344)	0	0	0	(4,344)
Restricted stock and exercise of stock options	0	1	(1)	0	0
Accounts Receivable, Credit Loss Expense (Reversal)	(3)
Stock-based compensation cost	(445)	0	(445)	0	0
Ending Balance at Apr. 30, 2019	195,153	238	115,391	132,227	(52,703)
Beginning Balance at Oct. 31, 2019	167,514	238	116,436	115,866	(65,026)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	(62,387)	0	0	(62,387)	0
Other comprehensive income, net of tax	(5,428)	0	0	0	(5,428)
Restricted stock and exercise of stock options	(1)	5	(6)	0	0
Accounts Receivable, Credit Loss Expense (Reversal)	542
Stock-based compensation cost	(1,120)	0	(1,120)	0	0
Ending Balance at Apr. 30, 2020	100,818	243	117,550	53,479	(70,454)
Beginning Balance at Jan. 31, 2020	164,740	242	117,008	112,186	(64,696)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	(58,707)	0	0	(58,707)	0
Other comprehensive income, net of tax	(5,758)	0	0	0	(5,758)
Restricted stock and exercise of stock options	0	1	(1)	0	0
Accounts Receivable, Credit Loss Expense (Reversal)	530
Stock-based compensation cost	(543)	0	(543)	0	0
Ending Balance at Apr. 30, 2020	$ 100,818	$ 243	$ 117,550	$ 53,479	$ (70,454)