Components of Provision for Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Current:
Federal	$ 93,961	$ 86,122	$ 66,229
Foreign taxes	3,168	3,836	(792)
State	11,137	13,032	9,447
Total current	108,266	102,990	74,884
Deferred:
Federal	12,057	5,606	(1,178)
Foreign taxes	(268)	(1,977)	(85)
State	2,758	1,961	(2,906)
Total deferred	14,838	4,680	(2,279)
Provision for income taxes	122,813	108,580	70,715
Continuing Operations
Deferred:
Total deferred	$ 14,547	$ 5,590	$ (4,169)