Consolidated Balance Sheets (USD $)	Jun. 29, 2014	Jun. 30, 2013
CURRENT ASSETS:
Cash and cash equivalents (Note 2)	$ 842,114	$ 3,437,780
Short-term investments (Note 3)	1,453,326	949,815
Inventories	520,355	519,179
Prepaid expenses and other	610,416	563,591
Income taxes refundable	312,856	58,129
Current deferred income taxes (Note 7)		6,658
TOTAL CURRENT ASSETS	3,739,067	5,535,152
LAND, BUILDINGS & EQUIPMENT, net (Note 4)	20,887,127	21,979,489
OTHER ASSETS:
Marketable investment securities (Note 3)	8,979,499	8,477,227
Cash surrender value-life insurance	677,922	648,717
Other	80,165	84,465
TOTAL OTHER ASSETS	9,737,586	9,210,409
TOTAL ASSETS	34,363,780	36,725,050
CURRENT LIABILITIES:
Accounts payable	681,509	694,454
Accrued expenses	1,091,098	1,045,645
Dividends payable	877,365	851,561
Other current liabilities	308,068	311,284
Income taxes payable		151,227
Current deferred income taxes (Note 7)	24,705
TOTAL CURRENT LIABILITIES	2,982,745	3,054,171
LONG-TERM DEFERRED COMPENSATION	34,088	39,194
NONCURRENT DEFERRED INCOME TAXES (Note 7)	2,368,216	2,599,884
TOTAL LIABILITIES	5,385,049	5,693,249
STOCKHOLDERS' EQUITY (Note 8)
Preferred stock, par value $10 a share: Authorized and unissued, 2,000,000 shares	0	0
Additional paid-in capital	7,849,814	7,849,814
Accumulated other comprehensive earnings- Unrealized gain on available-for-sale securities, net of tax	2,592,603	2,584,020
Retained earnings	18,020,217	20,081,870
TOTAL STOCKHOLDERS'EQUITY	28,978,731	31,031,801
TOTAL LIABILITIES AND STOCKHOLDERS'EQUITY	34,363,780	36,725,050
Common Class A [Member]
STOCKHOLDERS' EQUITY (Note 8)
Common stock	374,645	374,645
Common Class B [Member]
STOCKHOLDERS' EQUITY (Note 8)
Common stock	$ 141,452	$ 141,452