Note 9 - Income Taxes - Rollforward of Deferred Tax Asset Valuation Allowance (Details) - USD ($) $ in Thousands	12 Months Ended
	May 31, 2016	Jun. 02, 2015	Jun. 03, 2014
Continuing Operations [Member]
Changes in estimated realization of deferred tax assets	$ (28,192)	$ (9,138)	$ (31,187)
Discontinued Operations [Member]
Changes in estimated realization of deferred tax assets			288
Other Reductions [Member]
Changes in estimated realization of deferred tax assets	1,058	921	883
Beginning of fiscal year	62,799	54,582	24,566
End of fiscal year	$ 89,933	$ 62,799	$ 54,582