Reconciliation Between Statutory Federal Income Tax Rate and Effective Income Tax Rate from continuing Operations (Detail)	12 Months Ended
	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Income Tax Disclosure [Abstract]
Federal income tax rate	35.00%	35.00%	35.00%
State income taxes, net of federal income tax effect	2.80%	3.10%	3.70%
Foreign rate differential	(1.70%)	(1.60%)	0.30%
Valuation allowance changes, net	0.40%	(1.10%)	6.60%
Change in unrecognized tax benefits	0.40%	(1.50%)	(0.60%)
Other	(0.30%)	(0.20%)	(0.70%)
Effective Income Tax Rate Reconciliation, Percent, Total	36.60%	33.70%	44.30%