Net (Loss)/Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	May 02, 2020	May 04, 2019
Basic Net (Loss)/Income per Share:
Net (loss)/income	$ (16,190)	$ 13,873
Conversion of share-based compensation arrangements	0	(44)
Net (loss)/income available for basic common shares and basic net (loss)/income per share	$ (16,190)	$ 13,829
Basic	13,992	14,612
Basic	$ (1.16)	$ 0.95
Diluted Net (Loss)/Income per Share:
Net (loss)/income	$ (16,190)	$ 13,873
Conversion of share-based compensation arrangements	0	(43)
Net (loss)/income available for diluted common shares and diluted net (loss)/income per share	$ (16,190)	$ 13,830
Conversion of share-based compensation arrangements	0	580
Net (loss)/income available for diluted common shares and diluted net (loss)/income per share	13,992	15,192
Diluted	$ (1.16)	$ 0.91