Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Per Share data	Oct. 01, 2011	Jan. 01, 2011
Condensed Consolidated Balance Sheets
Accounts receivable, allowance for doubtful accounts (in dollars)	$ 733	$ 772
Preferred stock-par value (in dollars per share)	$ 0.0001	$ 0.0001
Preferred stock-shares authorized	10,000	10,000
Preferred stock-shares issued	0	0
Preferred stock-shares outstanding	0	0
Common stock-par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock-shares authorized	250,000	250,000
Common stock-shares issued	41,839	43,933
Common stock-shares outstanding	41,839	43,933