Note 8 - Employee Post-employment Benefits - Roll Forward of Employee Separation Obligations (Details) - USD ($)	12 Months Ended
	May 31, 2016	Jun. 02, 2015	Jun. 03, 2014
Employee Severance [Member]
Balance	$ 313,000	$ 1,055,000
Balance	317,000	313,000	$ 1,055,000
Severance Costs	1,006,000	1,211,000	$ 4,300,000
Cash payments	$ (1,002,000)	$ (1,953,000)