Share-Based Compensation (Summary Of Stock Option Activity) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	9 Months Ended
	Oct. 29, 2011	Oct. 30, 2010
Share-Based Compensation [Abstract]
Balance at beginning of year, Shares	17,869	19,848
Granted, Shares	1,008	613
Exercised, Shares	(1,098)	(1,364)
Forfeited/expired, Shares	(854)	(661)
Balance at end of quarter, Shares	16,925	18,436
Balance at beginning of year, Weighted Average Exercise Price	$ 53.17	$ 52.10
Granted, Weighted Average Exercise Price	$ 52.61	$ 54.65
Exercised, Weighted Average Exercise Price	$ 43.20	$ 38.15
Forfeited/expired, Weighted Average Exercise Price	$ 62.27	$ 56.51
Balance at end of quarter, Weighted Average Exercise Price	$ 53.32	$ 53.06