Long-Term and Short-Term Financing Arrangements (Schedule of Senior Notes Redemption Prices) (Details)			6 Months Ended
	Aug. 26, 2015	Jul. 24, 2015	Jul. 30, 2016
Two Thousand Nineteen Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage	103.563%	103.95%
Two Thousand Twenty Three Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage			101.00%
Two Thousand Twenty Three Senior Notes [Member] | 2018 [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage			104.688%
Two Thousand Twenty Three Senior Notes [Member] | 2019 [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage			103.125%
Two Thousand Twenty Three Senior Notes [Member] | 2020 [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage			101.563%
Two Thousand Twenty Three Senior Notes [Member] | 2021 and thereafter [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage			100.00%