Stockholders' Equity (Narrative) (Details) (USD $) Share data in Millions, unless otherwise specified	4 Months Ended		10 Months Ended	21 Months Ended	24 Months Ended
	Jan. 19, 2014	Jan. 20, 2013	Nov. 15, 2014	Nov. 15, 2015	Nov. 15, 2014
Equity, Class of Treasury Stock [Line Items]
Repurchase of common stock, authorized amount				$ 200,000,000	$ 100,000,000
Treasury Stock, Shares, Acquired	1.6
Repurchase of common stock, remaining authorized amount			59,700,000
Repurchases of common stock	84,318,000	26,888,000
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	$ 77,000,000