Consolidated Statement Of Cash Flows (USD $)	12 Months Ended
	May 29, 2012	May 31, 2011	Jun. 01, 2010
Cash flows provided by (used in) operating activities:
Net earnings	$ 2,148,211	$ 9,472,589	$ 9,998,931
Less (loss) earnings from discontinued operations	(3,653,329)	2,368,033	3,253,709
Earnings from continuing operations	5,801,540	7,104,556	6,745,222
Adjustments to reconcile net earnings to net cash from operating activities:
Depreciation and amortization	10,272,643	9,932,748	8,477,408
Loss (gain) on disposition of assets, including abandonment losses	(112,491)	217,470	79,702
Impairment of long lived assets	1,228,760
Stock-based compensation expense	938,505	420,922	355,561
Net periodic pension cost	2,258,684	2,394,134	2,389,009
Contributions to pension plans	(2,100,000)	(1,600,000)	(1,625,000)
Adjustments to reconcile net (loss) earnings to net cash from operating activities, total	18,287,641	18,469,830	16,421,902
Changes in assets and liabilities:
Trade and other receivables	314,305	(463,629)	15,427
Inventories	(650,000)	265,521	217,039
Prepaid expenses and sundry deposits	612,149	(719,014)	90,614
Other assets	3,025	(77,330)	(14,960)
Prepaid and deferred income taxes	301,683	1,683,722	(420,700)
Accrued income taxes	130,427	170,186	19,549
Excess tax benefit from stock-based compensation	(3,800)	(223,296)	(6,144)
Accounts payable	(3,741,824)	(266,055)	2,549,206
Accrued expenses	(1,633,237)	535,463	(1,868,726)
Self insured obligations	335,786	336,798	445,000
Deferred compensation and other liabilities	301,275	295,247	206,301
Changes in assets and liabilities, total	(4,030,211)	1,537,613	1,232,606
Net cash provided by continuing operations	14,257,430	20,007,443	17,654,508
Net cash provided by discontinued operations	9,524,626	9,335,787	8,969,544
Net cash provided by operating activities	23,782,056	29,343,230	26,624,052
Cash flows (used in) provided by investing activities:
Additions to property and equipment	(10,731,367)	(17,148,875)	(21,372,706)
Proceeds from disposition of property	461,331	422,576	30,701
Change in restricted cash	3,492,803
Change in other assets	(92,546)	(440,588)	(392,208)
Net cash (used in) continuing investing activities	(13,855,385)	(17,166,887)	(21,734,213)
Net cash provided by (used in) discontinued investing activities	46,872,447	(2,554,519)	(3,111,636)
Net cash (used in) investing activities	33,017,062	(19,721,406)	(24,845,849)
Cash flows (used in) provided by financing activities:
Proceeds from borrowings	2,000,000	6,500,000	10,000,000
Payment of long-term debt and capital lease obligations	(11,542,394)	(7,734,211)	(8,616,525)
Cash dividends paid	(3,108,046)	(2,924,758)	(2,603,767)
Proceeds from stock options exercised	131,116	736,632	93,926
Other treasury shares re-issued	30,133	50,546	74,773
Treasury shares acquired	(642,514)	(4,680,224)	(1,009,010)
Excess tax benefit from stock options exercised	3,800	223,296	6,144
Employee stock purchase plan	(24,615)	5,001	22,319
Net cash (used in) financing activities	(13,152,520)	(7,823,718)	(2,032,140)
Net increase (decrease) in cash and equivalents	43,646,598	1,798,106	(253,937)
Cash and equivalents at beginning of year	2,315,948	517,842	771,779
Cash and equivalents at end of year	45,962,546	2,315,948	517,842
Supplemental disclosures:
Interest paid	1,482,363	1,560,703	1,839,073
Income taxes paid	1,525,778	1,241,221	5,514,145
Income taxes refunded	893,366	2,576	57,201
Lease transactions capitalized (non-cash)		$ 996,844	$ 825,000