Stock-Based Compensation (Summary Of Stock Option Activity) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Apr. 28, 2012	Apr. 30, 2011
Stock-Based Compensation [Abstract]
Balance at beginning of year, Shares	16,564	17,869
Granted, Shares	916	749
Exercised, Shares	(231)	(286)
Forfeited/expired, Shares	(227)	(482)
Balance at end of quarter, Shares	17,022	17,850
Balance at beginning of year, Weighted Average Exercise Price	$ 53.41	$ 53.17
Granted, Weighted Average Exercise Price	$ 48.83	$ 52.78
Exercised, Weighted Average Exercise Price	$ 40.71	$ 45.05
Forfeited/expired, Weighted Average Exercise Price	$ 58.64	$ 63.77
Balance at end of quarter, Weighted Average Exercise Price	$ 53.27	$ 53.00