Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data	Sep. 30, 2011	Oct. 01, 2010
Current assets:
Allowance for doubtful accounts	$ 785	$ 1,177
Stockholders' Equity:
Preferred stock, par value
Preferred stock, shares authorized	25,000,000	25,000,000
Preferred stock, shares issued
Common stock, par value	$ 0.25	$ 0.25
Common stock, shares authorized	525,000,000	525,000,000
Common stock, shares issued	195,407,396	185,683,000
Common stock, shares outstanding	186,386,197	180,263,000