Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	Oct. 27, 2012	Oct. 29, 2011
Statement of Financial Position [Abstract]
Accounts receivable, allowances	$ 833	$ 1,388
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	5,000	5,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	800,000	800,000
Common stock, shares issued	456,913	448,022
Common stock, shares outstanding	456,913	448,022