Stockholders' Equity (Details 2) (USD $)	12 Months Ended			0 Months Ended		12 Months Ended					0 Months Ended	12 Months Ended			0 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 29, 2012	Feb. 28, 2014 Accelerated Share Repurchase Program February 2014 [Member] Major Financial Institution [Member]	Sep. 27, 2014 Accelerated Share Repurchase Program February 2014 [Member] Major Financial Institution [Member]	Sep. 27, 2014 Common Stock Share Repurchase Programs [Member]	Sep. 28, 2013 Common Stock Share Repurchase Programs [Member]	Sep. 27, 2014 Common Stock [Member]	Sep. 28, 2013 Common Stock [Member]	Sep. 29, 2012 Common Stock [Member]	Feb. 28, 2014 Common Stock [Member] Accelerated Share Repurchase Program February 2014 [Member] Major Financial Institution [Member]	Sep. 27, 2014 Additional Paid-in Capital [Member]	Sep. 28, 2013 Additional Paid-in Capital [Member]	Sep. 29, 2012 Additional Paid-in Capital [Member]	Feb. 28, 2014 Additional Paid-in Capital [Member] Accelerated Share Repurchase Program February 2014 [Member] Major Financial Institution [Member]
Stockholders' equity
Fixed price of share repurchase	$ 1,052,430,000	$ 188,278,000	$ 76,470,000	$ 700,000,000
Value of initial shares as percent of total fixed purchase price				70.00%
Value of initial shares											400,000				489,600,000
Value of stock held back pending final settlement															210,000,000
Maximum number of shares that may be required to be issued on settlement				10,000,000
Additional shares that would have been issued if ASR was settled					1,900,000
Value of shares available for repurchase under the current authorization						1,182,800,000
Number of shares acquired				4,340,508		8,138,592	5,642,793	8,138,592	5,642,793	3,120,700
Average price per share of acquired shares (in dollars per share)						$ 103.51	$ 33.37
Total cost of acquired shares	$ 1,052,430,000	$ 188,278,000	$ 76,470,000			$ 1,052,430,000	$ 188,278,000	$ 814,000	$ 564,000	$ 312,000		$ 1,051,616,000	$ 187,714,000	$ 76,158,000