Consolidated Statements of Cash Flows (USD $)	12 Months Ended
	May 31, 2013	Jun. 01, 2012
CASH FLOWS FROM OPERATING ACTIVITIES
Cash received from customers	$ 137,451,083	$ 135,839,804
Interest income	2,007	7,353
Rental income	48,222	42,552
Other operating cash payments/receipts	52,688	63,968
Income taxes	(1,115,088)	(375,077)
Interest expense	(311,098)	(282,784)
Net cash provided by operating activities	4,607,029	5,747,290
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of property, plant and equipment	(4,149,678)	(5,214,408)
Proceeds from sale of property, plant and equipment	74,514	222,755
Net cash used in investing activities	(4,075,164)	(4,991,653)
CASH FLOWS FROM FINANCING ACTIVITIES
Debt proceeds	38,361,199	36,639,753
Debt repayments	(38,287,529)	(37,468,412)
Change in checks outstanding in excess of bank balances	(267,501)	712,031
Purchases of treasury shares	(6,860)
Cash dividends paid	(1,467,879)	(1,466,831)
Net cash (used in) provided by financing activities	(1,668,570)	(1,583,459)
NET DECREASE IN CASH AND CASH EQUIVALENTS	(1,136,705)	(827,822)
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR	1,893,816	2,721,638
CASH AND CASH EQUIVALENTS AT END OF YEAR	757,111	1,893,816
Adjustment to reconcile net income to net cash provided by operating activities:
Net income	1,134,037	2,207,623
Adjustment non-cash items to reconcile net income to net cash provided by operating activities:
Depreciation	3,538,740	3,303,353
Deferred income taxes	(185,939)	557,576
Gain on sale of property and equipment	(61,040)	(162,876)
Change in receivables-net	106,367	(345,853)
Change in inventories	200,985	(161,169)
Change in prepaid expenses	200,137	48,956
Change in cash surrender value of insurance	62,906	176,177
Change in other assets - other	(191,298)	(151,239)
Change in accounts payable	(1,216,399)	(297,983)
Change in accrued expenses	954,938	(132,524)
Change in salary continuation plan	(49,774)	(100,324)
Change in accrued income taxes	113,369	805,573
Net cash provided by operating activities	4,607,029	5,747,290
Cost of Goods Sold [Member]
CASH FLOWS FROM OPERATING ACTIVITIES
Cash paid for suppliers and employees	(69,214,257)	(68,449,193)
Selling, General and Administrative [Member]
CASH FLOWS FROM OPERATING ACTIVITIES
Cash paid for suppliers and employees	$ (62,306,528)	$ (61,099,333)