Consolidated Balance Sheets (USD $)	Sep. 30, 2012	Jul. 01, 2012
CURRENT ASSETS:
Cash and cash equivalents	$ 2,194,413	$ 2,332,022
Short-term investments	3,457,488	3,863,721
Inventories	653,640	535,412
Prepaid expenses and other	466,792	613,891
Income taxes refundable	313,518	313,518
Current deferred income tax	64,148
TOTAL CURRENT ASSETS	7,149,999	7,658,564
LAND, BUILDINGS & EQUIPMENT, net of accumulated depreciation of 38,412,298 and 38,021,911	22,616,772	22,718,526
OTHER ASSETS:
Marketable investment securities	8,635,517	8,286,680
Cash surrender value-life insurance	619,624	619,624
Other	84,780	84,780
TOTAL OTHER ASSETS	9,339,921	8,991,084
TOTAL ASSETS	39,106,692	39,368,174
CURRENT LIABILITIES:
Accounts payable	722,589	722,380
Accrued expenses	939,310	1,004,221
Dividends payable	849,992	824,235
Other current liabilities	904,834	295,978
Current deferred income taxes		65,552
TOTAL CURRENT LIABILITIES	3,416,725	2,912,366
LONG-TERM DEFERRED COMPENSATION	44,217	44,217
NONCURRENT DEFERRED INCOME TAXES	2,850,316	2,726,437
TOTAL LIABILITIES	6,311,258	5,683,020
STOCKHOLDERS' EQUITY
Additional paid-in capital	7,727,264	7,727,264
Accumulated other comprehensive earnings- Unrealized gain on available-for-sale securities, net of tax	2,740,083	2,538,818
Retained earnings	21,812,940	22,903,925
TOTAL STOCKHOLDERS' EQUITY	32,795,434	33,685,154
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	39,106,692	39,368,174
Common Class A [Member]
STOCKHOLDERS' EQUITY
Common stock	368,301	368,301
Common Class B [Member]
STOCKHOLDERS' EQUITY
Common stock	$ 146,846	$ 146,846