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Other Assets	3 Months Ended
Other Assets	Aug. 31, 2014
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Other Assets	NOTE 4 Other Assets Other assets consist primarily of the cash surrender value of life insurance policies which totaled $6,461,000 and $6,452,000 at August 31 and May 31, 2014, respectively.