Consolidated Statements of Stockholders' Equity - USD ($)	Common Stock [Member] Common Class A [Member]	Common Stock [Member] Common Class B [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Jul. 03, 2016	3,746,454,454	1,414,517
Balance at Jul. 03, 2016	$ 374,645	$ 141,452	$ 7,854,108	$ 2,986,587	$ 14,792,550
Cash dividends paid					(2,632,095)
Accrued dividends declared and payable					(877,365)
Change in unrealized gain on available-for-sale securities (shown net of tax)				(508,218)	(508,218)
Reclassification adjustment for loss (gain) included in Net Income, net of tax (benefit)				3,619	3,619
Net Earnings					2,451,110
Balance (in shares) at Jul. 02, 2017	3,746,454	1,414,517
Balance at Jul. 02, 2017	$ 374,645	$ 141,452	7,854,108	2,481,988	13,734,200
Cash dividends paid					(2,632,095)
Accrued dividends declared and payable					(877,365)
Change in unrealized gain on available-for-sale securities (shown net of tax)				(375,723)	(375,723)
Reclassification adjustment for loss (gain) included in Net Income, net of tax (benefit)				(3,520)	(3,520)
Net Earnings					3,785,985
Balance (in shares) at Jul. 01, 2018	3,746,454	1,414,517
Balance at Jul. 01, 2018	$ 374,645	$ 141,452	$ 7,854,108	$ 2,102,745	$ 14,010,725