Share-Based Compensation (SARS Activity) (Details) (Stock Appreciation Rights (SARs) [Member], USD $)	9 Months Ended
	Oct. 27, 2012 Y
Stock Appreciation Rights Activity
Outstanding, Number of Underlying Shares, Beginning Balance	9,039,334
Outstanding Weighted-Average Exercise Price, Beginning Balance	$ 39.66
Exercised, Number of Underlying Shares	(37,875)
Exercised, Weighted-Average Exercise Price	$ 30.74
Forfeited or cancelled, Number of Underlying Shares	(89,175)
Forfeited or cancelled, Weighted-Average Exercise Price	$ 44.39
Outstanding, Number of Underlying Shares, Ending Balance	9,267,884
Outstanding, Weighted-Average Exercise Price, Ending Balance	$ 40.15
Outstanding, Aggregate Intrinsic Value	$ 15,107,804
Outstnading, Weighted-Average Remaining Contractual Life (in years)	4.6
Stock appreciation rights exercisable, Number of Underlying shares	2,156,146
Stock appreciation rights exercisable, Weighted-Average Exercise Price	$ 42.40
Stock appreciation rights exercisable, Aggregate Intrinsic Value	744,507
Stock appreciation rights excersisable, Weighted-Average Remaining Contractual Life (in years)	5.1
Stock appreciation rights expected to become exercisable, Number of Shares	7,044,778
Stock appreciation rights expected to become exercisable, Weighted-Average Exercise Price	$ 39.37
Stock appreciation rights expected to become exercisable, Aggregate Intrinsic Value	$ 14,347,187
Stock appreciation rights expected to become exercisable, Weighted Average Remaining Contractual Life (in years)	4.4
Chairman And Chief Executive Officer [Member]
Stock Appreciation Rights Activity
Granted, Number of Underlying Shares	0
Granted, Weighted-Average Exercise Price	$ 0.00
Other Executive Officers [Member]
Stock Appreciation Rights Activity
Granted, Number of Underlying Shares	212,500
Granted, Weighted-Average Exercise Price	$ 52.89
All Other Associates [Member]
Stock Appreciation Rights Activity
Granted, Number of Underlying Shares	143,100
Granted, Weighted-Average Exercise Price	$ 52.02