Note 8 - Employee Post-employment Benefits - Reclassification of Amounts Out of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 06, 2017	May 31, 2016	Jun. 02, 2015
Pension reclassification	$ 1,613	$ 2,350	$ 1,853
Reclassification out of Accumulated Other Comprehensive Income [Member]
Recognized actuarial loss	1,613	2,348	1,852
Amortization of prior service cost/(credit)		1	1
Curtailment expense		$ 1