Income Taxes - Additional Information (Detail) - USD ($)	12 Months Ended
	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015	Feb. 01, 2014
Income Tax [Line Items]
Valuation allowance retained against deferred tax assets	$ 760,000	$ 158,000	$ 176,000	$ 206,000
State net operating loss carryovers	800,000
Foreign net operating loss carryovers	$ 5,000,000
Expiration of federal and state net operating loss carryovers	The state net operating loss carryovers will begin to expire in 2019, and the foreign net operating loss carryovers have an indefinite carryforward.
Ownership equity method percentage	50.00%
Unrecognized tax benefits	$ 2,200,000
Tax expense and the effective tax rate, if recognized	1,400,000
Exposures related to unrecognized tax benefits	$ 0
Period of unrecognized tax benefits change	12 months
Accrued penalties and interest expenses	$ 300,000	$ 200,000
Tax year open to federal and state tax examination	2002
Shanghai Sourcing Operations [Member]
Income Tax [Line Items]
Valuation allowance retained against deferred tax assets	$ 0
Waterworks U.K. Operations [Member]
Income Tax [Line Items]
Valuation allowance retained against deferred tax assets	$ 800,000