CONSOLIDATED STATMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 23, 2021	Jan. 25, 2020	Jan. 23, 2021	Jan. 25, 2020
Sales	$ 522,818	$ 437,422	$ 1,012,954	$ 844,824
Cost of sales	380,973	319,475	733,146	613,331
Gross profit	141,845	117,947	279,808	231,493
Operating and administrative expense	126,449	107,734	250,812	210,874
Depreciation and amortization	8,793	7,798	17,507	15,237
Operating income	6,603	2,415	11,489	5,382
Interest expense	(982)	(568)	(1,969)	(1,135)
Interest income	874	1,030	1,766	2,289
Income before income taxes	6,495	2,877	11,286	6,536
Income taxes	1,940	872	3,370	1,964
Net income	$ 4,555	$ 2,005	$ 7,916	$ 4,572
Common Class A
Net income per share:
Basic (in dollars per share)	$ 0.35	$ 0.16	$ 0.61	$ 0.35
Diluted (in dollars per share)	0.31	0.14	0.54	0.32
Common Class B
Net income per share:
Basic (in dollars per share)	0.23	0.10	0.39	0.23
Diluted (in dollars per share)	$ 0.23	$ 0.10	$ 0.39	$ 0.23