Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	Jan. 01, 2012	Oct. 02, 2011
Condensed Consolidated Balance Sheets
Preferred stock, shares authorized	2,000	2,000
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, shares authorized	150,000	150,000
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares issued	62,748	62,495
Common stock, shares outstanding	62,748	62,495