Components Of Provision For Income Taxes (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Feb. 03, 2013	Jan. 29, 2012	Jan. 30, 2011
Provision For Income Taxes [Line Items]
Federal, Current	$ 136,742	$ 104,370	$ 79,719
State, Current	22,072	22,275	15,576
Foreign, Current	3,441	4,044	3,972
Total current	162,255	130,689	99,267
Federal, Deferred	(7,827)	15,650	20,429
State, Deferred	(1,202)	(1,427)	3,047
Foreign, Deferred	0	(13)	90
Total deferred	(9,029)	14,210	23,566
Total provision	$ 153,226	$ 144,899	$ 122,833