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, 2017	$ 188,321	$ 231	$ 112,351	$ 117,976	$ (42,237)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification of stranded tax effects	0	0	0	6,358	(6,358)
Provision for Doubtful Accounts	14
Stock-based compensation cost	(1,557)
Ending Balance at Jul. 31, 2018	209,082	234	113,946	144,269	(49,367)
Beginning Balance at Oct. 31, 2017	188,321	231	112,351	117,976	(42,237)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification of stranded tax effects	0	0	0	6,358	(6,358)
Ending Balance at Oct. 31, 2018	199,522	234	114,405	135,813	(50,930)
Beginning Balance at Apr. 30, 2018	199,738	234	113,424	126,859	(40,779)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	11,052	0	0	11,052	0
Other comprehensive income, net of tax	(2,230)	0	0	0	(2,230)
Restricted stock and exercise of stock options	7	0	7	0	0
Provision for Doubtful Accounts	(32)
Stock-based compensation cost	(515)	0	(515)	0	0
Ending Balance at Jul. 31, 2018	209,082	234	113,946	144,269	(49,367)
Beginning Balance at Oct. 31, 2018	199,522	234	114,405	135,813	(50,930)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	(6,295)	0	0	(6,295)	0
Other comprehensive income, net of tax	(3,682)	0	0	0	(3,682)
Restricted stock and exercise of stock options	0	4	(4)	0	0
Provision for Doubtful Accounts	329
Stock-based compensation cost	(1,576)	0	(1,576)	0	0
Ending Balance at Jul. 31, 2019	191,121	238	115,977	129,518	(54,612)
Beginning Balance at Jan. 31, 2019	195,153	238	115,391	132,227	(52,703)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	(2,709)	0	0	(2,709)	0
Other comprehensive income, net of tax	(1,909)	0	0	0	(1,909)
Stock-based compensation cost	(586)	0	(586)	0	0
Ending Balance at Apr. 30, 2019					(52,703)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Provision for Doubtful Accounts	3
Ending Balance at Jul. 31, 2019	$ 191,121	$ 238	$ 115,977	$ 129,518	$ (54,612)