Consolidated Statement Of Shareholders' Equity (USD $)
Common Stock At $1 Per Share - Shares And Amount [Member]
Additional Contributed Capital [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Retained Earnings [Member]
Treasury Shares [Member]
Total
Balance at Jun. 01, 2010$ 7,585,764$ 65,222,878$ (7,856,427)$ 89,701,652$ (34,559,851)$ 120,094,016
Net (loss) earnings   2,741,279 2,741,279
Other comprehensive income (loss), net of tax  245,084  245,084
Stock options exercised1,000(182,490)  855,444673,954
Excess tax benefit from stock options exercised 208,223   208,223
Stock-based compensation expense 94,728   94,728
Treasury shares acquired    (1,118,171)(1,118,171)
Other treasury shares re-issued 16,308  34,23850,546
Cash dividends, per share   (1,417,914) (1,417,914)
Balance at Sep. 21, 20107,586,76465,359,647(7,611,343)91,025,017(34,788,340)121,571,745
Net (loss) earnings   6,731,310 6,731,310
Other comprehensive income (loss), net of tax  1,884,788  1,884,788
Stock options exercised (3,943)  66,62162,678
Issuance of restricted stock (166,338)  166,338 
Excess tax benefit from stock options exercised 15,073   15,073
Stock-based compensation expense 326,194   326,194
Treasury shares acquired    (3,562,053)(3,562,053)
Employee stock purchase plan 5,001   5,001
Cash dividends, per share   (1,506,844) (1,506,844)
Balance at May. 31, 20117,586,76465,535,634(5,726,555)96,249,483(38,117,434)125,527,892
Net (loss) earnings   (2,274,283) (2,274,283)
Other comprehensive income (loss), net of tax  208,323  208,323
Stock options exercised 15,080  71,77086,850
Issuance of restricted stock (102,045)  102,045 
Excess tax benefit from stock options exercised 3,800   3,800
Stock-based compensation expense 301,751  248,132549,883
Treasury shares acquired    (588,206)(588,206)
Other treasury shares re-issued 8,886  21,24730,133
Cash dividends, per share   (1,528,150) (1,528,150)
Balance at Sep. 20, 2011$ 7,586,764$ 65,763,106$ (5,518,232)$ 92,447,050$ (38,262,446)$ 122,016,242