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Other Assets
12 Months Ended
May 31, 2017
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Other Assets
NOTE 5 Other Assets

Other assets consist primarily of the cash surrender value of life insurance policies which totaled $7,093,000 and $6,885,000 at May 31, 2017 and 2016, respectively.