Note 9 - Income Taxes (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Jun. 06, 2017	May 31, 2016	Jun. 02, 2015
Unrecognized Tax Benefits	$ 3,890	$ 4,548	$ 3,870
Unrecognized Tax Benefit Reclassified Against Deferred Tax Assets	3,400	3,700
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	2,500	2,300
Operating Loss Carryforwards, State and Local, Reclassified Against Deferred Tax Assets	2,200	2,100
Unrecognized Tax Benefits Including Income Tax Penalties and Interest Accrued	900	1,300
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	400	$ 400
State and Local Jurisdiction [Member]
Operating Loss Carryforwards	$ 343,300