Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data	Jul. 01, 2011	Sep. 24, 2010
Accounts receivable, allowance for doubtful accounts	$ 1,642	$ 2,005
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, authorized	10,000,000	10,000,000
Preferred stock, shares issued	0	0
Common stock, no par value	$ 0	$ 0
Common stock, authorized	30,000,000	30,000,000
Common stock, issued shares	19,573,269	19,162,335