CONSOLIDATED CONDENSED STATMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 29, 2017	Apr. 23, 2016	Apr. 29, 2017	Apr. 23, 2016
Sales	$ 391,984	$ 387,905	$ 1,193,891	$ 1,197,603
Cost of sales	283,648	281,167	869,668	872,653
Gross profit	108,336	106,738	324,223	324,950
Operating and administrative expense	91,536	90,851	277,060	277,432
Depreciation and amortization	6,062	5,822	18,358	17,840
Operating income	10,738	10,065	28,805	29,678
Interest expense	(1,111)	(1,122)	(3,343)	(3,375)
Interest income	726	659	2,063	1,788
Income before income taxes	10,353	9,602	27,525	28,091
Income taxes	4,338	3,720	11,408	11,495
Net income	$ 6,015	$ 5,882	$ 16,117	$ 16,596
Common Class A [Member]
Net income per share:
Basic (in dollars per share)	$ 0.47	$ 0.47	$ 1.27	$ 1.31
Diluted (in dollars per share)	0.42	0.42	1.13	1.17
Common Class B [Member]
Net income per share:
Basic (in dollars per share)	0.30	0.30	0.82	0.85
Diluted (in dollars per share)	$ 0.30	$ 0.30	$ 0.82	$ 0.85