Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	Dec. 30, 2012	Sep. 30, 2012
Condensed Consolidated Balance Sheets
Preferred stock, Authorized shares	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, Authorized shares	150,000	150,000
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares issued	64,374	63,837
Common stock, shares outstanding	64,374	63,837