Debt (Original Notes and Exchange Notes) and Related Equity Components) (Details) (USD $)	Jun. 25, 2011	Sep. 25, 2010	Jun. 25, 2011 Original Notes [Member]	Nov. 18, 2010 Original Notes [Member]	Jun. 25, 2011 Exchange Notes [Member]
Convertible debt, principal	$ 1,725,000,000	$ 1,725,000,000	$ 1,275,000,000	$ 450,000,000	$ 450,000,000
Unamortized discount		(277,947,000)	(162,223,000)		(92,667,000)
Net carrying amount	1,470,110,000	1,447,053,000	1,112,777,000		357,333,000
Equity component, net of taxes		$ 283,638,000	$ 259,000,000		$ 60,054,000