Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	May 02, 2020	May 04, 2019
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (215,858)	$ 31,194
Other comprehensive income (loss), net of income taxes:
Foreign currency translation loss	(3,541)	(714)
Unrealized net gain on debt securities	195	242
Reclassification adjustment for net gains realized in net income	(368)	(88)
Total other comprehensive loss, net of income taxes	(3,714)	(560)
Total comprehensive income (loss)	$ (219,572)	$ 30,634