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]
Stockholders' equity, beginning balance at Oct. 31, 2013	$ 129,584	$ 170	$ 66,312	$ 89,184	$ (26,082)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	19,915	0	0	19,915	0
Other comprehensive loss, net of tax	(10,799)	0	0	0	(10,799)
Restricted stock and exercise of stock options	1,061	2	1,059	0	0
Stock-based compensation cost	579	0	579	0	0
Income tax effect on stock compensation	85	0	85	0	0
Stockholders' equity, ending balance at Oct. 31, 2014	140,425	172	68,035	109,099	(36,881)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	5,905	0	0	5,905	0
Other comprehensive loss, net of tax	(13,168)	0	0	0	(13,168)
Restricted stock and exercise of stock options	159	1	158	0	0
Stock-based compensation cost	1,025	0	1,025	0	0
Income tax effect on stock compensation	116	0	116	0	0
Stockholders' equity, ending balance at Oct. 31, 2015	134,462	173	69,334	115,004	(50,049)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	3,669	0	0	3,669	0
Other comprehensive loss, net of tax	(6,413)	0	0	0	(6,413)
Restricted stock and exercise of stock options	0	3	(3)	0	0
Stock-based compensation cost	1,072	0	1,072	0	0
Stockholders' equity, ending balance at Oct. 31, 2016	$ 132,790	$ 176	$ 70,403	$ 118,673	$ (56,462)