Significant Accounting Policies - Summary of Allowance for Sales Returns, Net of Cost of Goods Sold (Detail) - USD ($) $ in Thousands	12 Months Ended
	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Balance at beginning of fiscal year	$ 10,077	$ 12,688	$ 10,235
Provision for sales returns	108,134	106,508	104,028
Actual sales returns	(107,646)	(109,642)	(101,575)
Balance at end of fiscal year	$ 10,565	10,077	12,688
Waterworks [Member]
Balance at beginning of fiscal year		$ 523
Balance at end of fiscal year			$ 523