Aggregate dividends declared during the period for each share of common stock outstanding.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 2: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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The cash outflow to reacquire common stock during the period.

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-Name Accounting Standards Codification

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Amount of stock repurchase plan authorized.

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Stockholders' Equity (Narrative) (Details) (USD $) Share data in Millions, except Per Share data, unless otherwise specified	4 Months Ended
	Jan. 18, 2015	Jan. 19, 2014	Nov. 13, 2014	Jul. 31, 2014	Feb. 10, 2014
Equity, Class of Treasury Stock [Line Items]
Stock Repurchase Program, Authorized Amount			$ 100,000,000	$ 100,000,000	$ 200,000,000
Treasury Stock, Shares, Acquired	1.31us-gaap_TreasuryStockSharesAcquired
Repurchase of common stock, remaining authorized amount	115,500,000
Repurchases of common stock	104,669,000	84,318,000
Common Stock, Dividends, Per Share, Declared	$ 0.20
Payments of Ordinary Dividends	7,791,000us-gaap_PaymentsOfOrdinaryDividends	0us-gaap_PaymentsOfOrdinaryDividends
Expiration: November 2015 [Member]
Equity, Class of Treasury Stock [Line Items]
Repurchase of common stock, remaining authorized amount	15,500,000
Expiration: November 2016 [Member] [Member]
Equity, Class of Treasury Stock [Line Items]
Repurchase of common stock, remaining authorized amount	100,000,000
Fiscal 2014 Trades Settled Fiscal 2015 [Member] [Member]
Equity, Class of Treasury Stock [Line Items]
Repurchases of common stock	3,100,000
Fiscal 2013 Trades Settled Fiscal 2014 [Member]
Equity, Class of Treasury Stock [Line Items]
Repurchases of common stock		7,300,000
Treasury Stock [Member]
Equity, Class of Treasury Stock [Line Items]
Repurchases of common stock	$ 101,600,000