Basis of Presentation (Details) (USD $)	3 Months Ended		9 Months Ended
	Jul. 01, 2012	Jul. 03, 2011	Jul. 01, 2012	Jul. 03, 2011
Other costs of revenue	$ (419,140,000)	$ (395,630,000)	$ (1,215,391,000)	$ (1,076,788,000)
Selling, general and administrative expenses	(51,465,000)	(45,466,000)	(152,528,000)	(136,612,000)
Interest income	200,000	200,000	600,000	500,000
Previously reported as
Other costs of revenue		2,500,000		6,700,000
Selling, general and administrative expenses		$ (2,500,000)		$ (6,700,000)