CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	9 Months Ended
	Apr. 27, 2019	Apr. 28, 2018
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 18,810,000	$ 19,070,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	20,481,000	18,704,000
Non-cash share-based compensation	2,387,000	2,515,000
Deferred taxes	(392,000)	(418,000)
Provision to value inventories at LIFO	303,000	100,000
Gain (Loss) on Disposition of Assets	102,000	130,000
Changes in assets and liabilities:
Merchandise inventories	188,000	506,000
Patronage dividend receivable	3,575,000	4,293,000
Accounts payable to Wakefern	(2,132,000)	(2,700,000)
Accounts payable and accrued expenses	1,069,000	(1,575,000)
Accrued wages and benefits	495,000	19,000
Income taxes receivable / payable	(2,394,000)	(402,000)
Other assets and liabilities	(2,519,000)	(8,259,000)
Net cash provided by operating activities	39,769,000	31,723,000
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures	(18,815,000)	(21,883,000)
Proceeds from Sale of Property, Plant, and Equipment	102,000	130,000
Investment in notes receivable from Wakefern	(27,263,000)	(23,875,000)
Proceeds from Sale, Maturity and Collection of Long-term Investments	24,937,000	22,172,000
Payments to Acquire Notes Receivable	0	4,835,000
Net Cash Provided by (Used in) Investing Activities	(21,039,000)	(28,291,000)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from exercise of stock options	1,008,000	0
Excess tax benefit related to share-based compensation	26,000	0
Proceeds from Notes Payable	0	6,860,000
Payments of Debt Issuance Costs	0	(297,000)
Principal payments of long-term debt	(1,354,000)	(695,000)
Dividends	(9,658,000)	(9,656,000)
Payments for Repurchase of Common Stock	$ (729,000)	(632,000)
Document Period End Date	Apr. 27, 2019
Net cash used in financing activities	$ (10,707,000)	(4,420,000)
NET DECREASE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	8,023,000	(988,000)
SUPPLEMENTAL DISCLOSURES OF CASH PAYMENTS MADE FOR:
Income taxes	10,790,000	5,375,000
NONCASH SUPPLEMENTAL DISCLOSURES:
Investment in Wakefern and increase in notes payable to Wakefern	838,000	0
Cash and Cash Equivalents, at Carrying Value	104,131,000	86,447,000
Interest Paid, Excluding Capitalized Interest, Operating Activities	$ 3,334,000	$ 3,340,000