Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	Oct. 31, 2020	Oct. 31, 2019
Current assets:
Accounts receivable, allowance	$ 1,324	$ 1,334
Equity:
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	2,000	2,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	150,000	150,000
Common stock, shares issued (in shares)	63,138	65,595
Common stock, shares outstanding (in shares)	63,138	65,595