Net Income Per Share (Schedule of Net Income Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 30, 2022	May 01, 2021
Basic Net Income per Share:
Net income available for basic common shares and basic net income per share	$ 26,897	$ 43,242
Basic	27,996	28,258
Basic	$ 0.96	$ 1.53
Diluted Net Income per Share:
Net income	$ 26,897	$ 43,242
Conversion of stock-based compensation arrangements	0	0
Net income available for diluted common shares and diluted net income per share	$ 26,897	$ 43,242
Conversion of stock-based compensation arrangements	335	389
Net income available for diluted common shares and diluted net income per share	28,331	28,647
Net income available for diluted common shares and diluted net income per share	$ 0.95	$ 1.51