Summary of Stock Option Activity (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	6 Months Ended
	Jul. 28, 2012	Jul. 30, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Balance at beginning of year, Shares	16,564	17,869
Granted, Shares	1,135	909
Exercised, Shares	(519)	(1,002)
Forfeited/expired, Shares	(543)	(654)
Balance at end of quarter, Shares	16,637	17,122
Balance at beginning of year, Weighted Average Exercise Price	$ 53.41	$ 53.17
Granted, Weighted Average Exercise Price	$ 48.37	$ 53.04
Exercised, Weighted Average Exercise Price	$ 34.57	$ 43.41
Forfeited/expired, Weighted Average Exercise Price	$ 59.21	$ 62.87
Balance at end of quarter, Weighted Average Exercise Price	$ 53.46	$ 53.36