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FAIR VALUE MEASUREMENTS (Tables)
3 Months Ended
Sep. 02, 2017
Fair Value Disclosures [Abstract]  
Schedule of investments measured at fair value on a recurring basis

Investments measured at fair value on a recurring basis subject to the disclosure requirements of ASC 820 as of September 2, 2017 and May 27, 2017, were as follows (in thousands):

     
   Level 1 
September 2, 2017     
Time deposits/CDs  $4,301 
Equity securities   637 
Total  $4,938 
May 27, 2017     
Time deposits/CDs  $8,226 
Equity securities   622 
Total  $8,848