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FAIR VALUE MEASUREMENTS (Tables)
3 Months Ended
Aug. 29, 2015
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 August 29, 2015, and May 30, 2015, were as follows (in thousands):

   Level 1
August 29, 2015     
Time deposits/CDs  $16,315 
Equity securities   538 
Total  $16,853 
May 30, 2015     
Time deposits/CDs  $34,665 
Equity securities   576 
Total  $35,241