Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data	Jul. 02, 2011	Oct. 02, 2010
Condensed Consolidated Balance Sheets
Accounts receivable, allowances	$ 2,353	$ 1,400
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares issued	48,278,000	47,849,000
Common stock, shares outstanding	35,549,000	40,403,000
Treasury stock, shares	12,729,000	7,446,000