Accumulated Other Comprehensive Loss - Changes in Balance of Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Thousands	3 Months Ended
	Apr. 29, 2017	Apr. 30, 2016
Schedule of Capitalization, Equity [Line Items]
Beginning Balance	$ (1,056)
Other Comprehensive Income (Loss)	(257)	$ 325
Ending Balance	(1,313)
Foreign Currency Translation Adjustments [Member]
Schedule of Capitalization, Equity [Line Items]
Beginning Balance	(1,048)
Other Comprehensive Income (Loss) before reclassification	(221)
Other Comprehensive Income (Loss)	(221)
Ending Balance	(1,269)
Unrealized Holding Gain/ (Loss) on Available for Sale Securities [Member]
Schedule of Capitalization, Equity [Line Items]
Beginning Balance	(8)
Other Comprehensive Income (Loss) before reclassification	12
Other Comprehensive Income (Loss)	12
Ending Balance	4
Net Unrealized Gain (Losses) on Cash Flow Hedges Translation Adjustments [Member]
Schedule of Capitalization, Equity [Line Items]
Other Comprehensive Income (Loss) before reclassification	(259)
Amounts reclassified from AOCI to Earnings	211
Other Comprehensive Income (Loss)	(48)
Ending Balance	(48)
Accumulated Other Comprehensive Income (Loss) [Member]
Schedule of Capitalization, Equity [Line Items]
Beginning Balance	(1,056)
Other Comprehensive Income (Loss) before reclassification	(468)
Amounts reclassified from AOCI to Earnings	211
Other Comprehensive Income (Loss)	(257)
Ending Balance	$ (1,313)