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FAIR VALUE MEASUREMENTS (Tables)
9 Months Ended
Feb. 25, 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 February 25, 2017, and May 28, 2016, were as follows (in thousands):

 

   Level 1 
February 25, 2017     
Time deposits/CDs  $8,193 
Equity securities   601 
Total  $8,794 
May 28, 2016     
Time deposits/CDs  $9,517 
Equity securities   550 
Total  $10,067