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Accumulated Other Comprehensive Loss - Changes in Balance of Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Aug. 03, 2019	May 04, 2019	Jul. 28, 2018	Apr. 28, 2018	Aug. 03, 2019	Jul. 28, 2018
Schedule of Capitalization, Equity [Line Items]
Beginning Balance	$ 71,614	$ 69,775	$ 64,630	$ 63,647	$ 69,775	$ 63,647
Other Comprehensive Income (Loss)	(257)	(200)	(362)	(163)	(457)	(525)
Ending Balance	72,088	71,614	65,488	64,630	72,088	65,488
Foreign Currency Translation Adjustments [Member]
Schedule of Capitalization, Equity [Line Items]
Beginning Balance		(852)			(852)
Other Comprehensive Loss before reclassification					(253)
Other Comprehensive Income (Loss)					(253)
Ending Balance	(1,105)				(1,105)
Net Unrealized Gain/(Loss) on Cash Flow Hedges [Member]
Schedule of Capitalization, Equity [Line Items]
Beginning Balance		34			34
Amounts reclassified from AOCL to Earnings					(204)
Other Comprehensive Income (Loss)					(204)
Ending Balance	(170)				(170)
Accumulated Other Comprehensive Income (Loss) [Member]
Schedule of Capitalization, Equity [Line Items]
Beginning Balance	(1,018)	(818)	(335)	(172)	(818)	(172)
Other Comprehensive Loss before reclassification					(253)
Amounts reclassified from AOCL to Earnings					(204)
Other Comprehensive Income (Loss)	(257)	(200)	(362)	(163)	(457)
Ending Balance	$ (1,275)	$ (1,018)	$ (697)	$ (335)	$ (1,275)	$ (697)

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Amount after tax, before reclassification adjustments of other comprehensive income (loss).

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