Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 30, 2021	Oct. 31, 2020	Oct. 30, 2021	Oct. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 18,226	$ (55,868)	$ 35,484	$ (281,003)
Other comprehensive income (loss):
Unrealized (losses) gains on marketable securities, net of taxes	(10)	(32)	(64)	(61)
Foreign currency translation adjustment	0	0	0	580
Comprehensive income (loss)	$ 18,216	$ (55,900)	$ 35,420	$ (280,484)