Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 29, 2012
Income before income taxes:
Domestic	$ 856,240	$ 675,438	$ 486,258
Foreign	68,133	65,436	89,883
Income before income taxes	924,373	740,874	576,141
United States federal:
Current	288,757	202,006	75,932
Deferred	(41,589)	(8,654)	74,042
Total United States federal	247,168	193,352	149,974
State and local:
Current	61,839	47,930	40,270
Deferred	(811)	(1,695)	(712)
Total State and local	61,028	46,235	39,558
Total United States	308,196	239,587	189,532
Foreign:
Current	36,903	29,901	26,860
Deferred	(18,140)	(12,717)	(3,751)
Total foreign	18,763	17,184	23,109
Total income tax expense	$ 326,959	$ 256,771	$ 212,641