Stockholders' Equity Stockholders' Equity(Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions	3 Months Ended			4 Months Ended	12 Months Ended
	Oct. 02, 2016	Jul. 03, 2016	Apr. 10, 2016	Jan. 17, 2016	Oct. 02, 2016	Sep. 27, 2015	Sep. 28, 2014	Sep. 22, 2016	May 06, 2016	Feb. 12, 2016
Equity, Class of Treasury Stock [Line Items]
Treasury Stock, Shares, Acquired					3.9
Treasury Stock, Value, Acquired, Cost Method					$ 291,853	$ 317,051	$ 319,690
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 408,200				$ 408,200
Common Stock, Dividends, Per Share, Declared	$ 0.30	$ 0.30	$ 0.30	$ 0.30	$ 1.20	$ 1.00	$ 0.40
Dividends, Common Stock					$ 40,500
Expiration: November 2017 [Member]
Equity, Class of Treasury Stock [Line Items]
Stock Repurchase Program, Authorized Amount									$ 100,000	$ 100,000
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 108,200				108,200
Expiration: November 2018 [Member]
Equity, Class of Treasury Stock [Line Items]
Stock Repurchase Program, Authorized Amount								$ 300,000
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 300,000				300,000
Treasury Stock [Member]
Equity, Class of Treasury Stock [Line Items]
Treasury Stock, Value, Acquired, Cost Method					$ 291,853	$ 317,051	$ 319,690