Consolidated Balance Sheets (Parenthetical) (USD $)	Jun. 25, 2011	Sep. 25, 2010
Consolidated Balance Sheets
Accounts receivable, reserves	$ 6,721,000	$ 7,769,000
Convertible debt, principal	$ 1,725,000,000	$ 1,725,000,000
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	1,623,000	1,623,000
Preferred stock, shares issued	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	750,000,000	750,000,000
Common stock, shares issued	262,341,000	259,488,000
Treasury stock, shares	219,000	219,000