FAIR VALUE MEASUREMENTS (Details) - Fair Value, Measurements, Recurring [Member] - Fair Value, Inputs, Level 1 [Member] - USD ($) $ in Thousands	Feb. 25, 2017	May 28, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Time deposits/CDs	$ 8,193	$ 9,517
Equity securities	601	550
Investments, Fair Value Disclosure	$ 8,794	$ 10,067