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Earnings Per Share (Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands			12 Months Ended
	Jul. 23, 2015	Aug. 19, 2014	Oct. 02, 2015	Sep. 26, 2014	Sep. 27, 2013
Shares used to calculate EPS:
Weighted average shares outstanding (denominator used to compute basic EPS)			125,007	130,483	129,288
Effect of stock options and restricted stock			1,103	1,888	1,657
Denominator used to compute diluted EPS			126,110	132,371	130,945
Antidilutive stock options, shares of restricted stock, and restricted stock units			3,237	2,074	2,603
Amount authorized to be repurchased	$ 500,000,000	$ 500,000,000
Repurchase period	3 years	3 years
Average price ($ per share)		$ 43.33
Number of shares repurchased			9,746

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- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Amount of stock repurchase plan authorized.

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Number of shares that have been repurchased and retired during the period.

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