Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Jan. 31, 2020	Oct. 31, 2019
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 549	$ 393
Accumulated depreciation of property, plant and equipment	$ 322,403	$ 317,568
Preferred stock, no par value	$ 0	$ 0
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value (in usd per share)	$ 0.01	$ 0.01
Common stock, shares authorized	125,000,000	125,000,000
Common stock, shares issued	37,319,866	37,370,402
Common stock, shares outstanding	32,963,475	33,021,789
Treasury stock, shares	4,356,391	4,348,613