Condensed Consolidated Balance Sheets (unaudited) (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	Jul. 29, 2018	Oct. 29, 2017
Current assets:
Accounts receivable, allowance	$ 1,968	$ 2,319
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)	69,505	68,666
Common stock, shares outstanding (in shares)	68,727	68,666
Treasury stock, shares (in shares)	778