CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 30, 2012	Sep. 30, 2011
Accounts receivable, allowance for doubtful accounts	$ 1,068	$ 1,622
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, authorized	10,000,000	10,000,000
Preferred stock, shares issued
Common stock, no par value
Common stock, authorized	30,000,000	30,000,000
Common stock, issued shares	20,118,026	19,758,400