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Long-term Liabilities (Schedule of Other Long-term Obligations) (Detail) (USD $)	May 31, 2013	Jun. 01, 2012
Debt Disclosure [Abstract]
Salary continuation plan	$ 1,229,459	$ 1,279,233
Less: current portion	(196,649)	(181,578)
Total non current portion	$ 1,032,810	$ 1,097,655

This represents the entire liability recognized in the balance sheet that is associated with the defined benefit pension plans.

This represents the current liability recognized in the balance sheet that is associated with the defined benefit pension plans.

This represents the noncurrent liability recognized in the balance sheet that is associated with the defined benefit pension plans.