Reconciliation of Beginning and Ending Gross Amount of Unrecognized Tax Benefits (Detail) - USD ($) $ in Thousands	12 Months Ended
	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Income Tax Contingency [Line Items]
Balance at beginning of year	$ 49,092	$ 43,326	$ 55,619
Additions for uncertain tax positions taken in current year	6,504	7,018	2,248
Additions for uncertain tax positions taken in prior years	7,990	327	11,707
Reductions for uncertain tax positions taken in prior years	(587)	(334)	(23,874)
Reductions resulting from lapse of statute of limitations	(1,295)	(1,245)	(389)
Settlements with tax authorities			(1,985)
Balance at end of year	$ 61,704	$ 49,092	$ 43,326