Condensed Consolidated Statements of Earnings (Unaudited) - USD ($)	3 Months Ended
	Sep. 30, 2018	Oct. 01, 2017
Operating Revenues:
Operating revenue	$ 5,441,468	$ 5,263,753
Operating Expenses:
Employee compensation and benefits	2,741,653	2,683,871
Depreciation and amortization	232,130	236,084
General and administrative	207,660	206,628
Total Operating Expenses	5,201,716	5,067,378
Operating Income	239,752	196,375
Interest, dividend and other income	105,421	104,017
Change in value of investments	238,278
Earnings before provision for income tax	583,451	300,392
Provision for income tax	143,070	105,200
Net Income	$ 440,381	$ 195,192
Net Earnings per share-basic & diluted (in dollars per share)	$ 0.09	$ 0.04
Weighted average shares outstanding (in shares)	5,160,971	5,160,971
Dividends paid	$ 877,365	$ 877,365
Common Class A [Member]
Operating Expenses:
Per share, dividends paid (in dollars per share)	$ 0.17	$ 0.17
Common Class B [Member]
Operating Expenses:
Per share, dividends paid (in dollars per share)	$ 0.17	$ 0.17
Bowling and Other [Member]
Operating Revenues:
Operating revenue	$ 3,833,291	$ 3,748,270
Operating Expenses:
Cost of goods and services sold	1,536,746	1,467,908
Food, Beverage, and Merchandise [Member]
Operating Revenues:
Operating revenue	1,608,177	1,515,483
Operating Expenses:
Cost of goods and services sold	$ 483,527	$ 472,887