Net Income Per Share and Weighted Average Shares (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jan. 28, 2022	Oct. 29, 2021	Jan. 29, 2021	Oct. 30, 2020	Jan. 28, 2022	Jan. 29, 2021
Net Income Per Share and Weighted Average Shares [Abstract]
Net income per share numerator	$ 37,624	$ 33,376	$ 14,000	$ 170,680	$ 71,000	$ 184,680
Net income per share denominator [Abstract]
Weighted average shares (in shares)	23,393,398		23,723,395		23,450,379	23,715,573
Add potential dilution [Abstract]
Nonvested stock awards and units (in shares)	69,173		61,979		77,848	62,729
Diluted weighted average shares (in shares)	23,462,571		23,785,374		23,528,227	23,778,302