Note 2 - Loss Per Share - Antidilutive Shares Excluded From Computation of Diluted Earnings (Loss) Per Share (Details) - shares
shares in Thousands
3 Months Ended 6 Months Ended
Nov. 29, 2016
Dec. 01, 2015
Nov. 29, 2016
Dec. 01, 2015
Antidilutive securities (in shares) 3,528 3,538 3,340 3,551
Employee Stock Option [Member]        
Antidilutive securities (in shares) 2,944 2,574 2,669 2,694
Restricted Stock [Member]        
Antidilutive securities (in shares) 584 964 671 857