Condensed Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 29, 2018	Jul. 30, 2017	Jul. 29, 2018	Jul. 30, 2017
Net income	$ 25,169	$ 12,564	$ 37,551	$ 24,385
Other comprehensive income, net:
Unrealized gain on convertible debt	0	0	0	750
Release of realized gain on convertible debt	0	(750)	0	(750)
Change in employee benefit plans	(16)	22	(32)	43
Other comprehensive (loss) income, net	(155)	(121)	(124)	780
Comprehensive income	25,014	12,443	37,427	25,165
Foreign Exchange Contract [Member]
Other comprehensive income, net:
Unrealized (loss) gain on foreign currency cash flow hedges	(164)	810	(117)	993
Realized gain (loss) on foreign currency cash flow hedges	$ 25	$ (203)	$ 25	$ (256)