Note 8 - Employee Post-employment Benefits (Details Textual) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 01, 2015 USD ($)	Dec. 02, 2014 USD ($)	Dec. 01, 2015 USD ($)	Dec. 02, 2014 USD ($)	Jun. 02, 2015 USD ($)
Pension Plan [Member]
Defined Benefit Pension Plan Liabilities, Current	$ 3,200		$ 3,200		$ 3,200
Defined Benefit Pension Plan, Liabilities, Noncurrent	34,700		34,700		33,900
Retirement Plan [Member]
Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year			100
Selling, General and Administrative Expenses [Member]
Defined Benefit Plan, Amortization of Gains (Losses)	$ (500)	$ (500)	$ (1,200)	$ (900)
Defined Benefit Pension Plans	3		3
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ (10,478)		$ (10,478)		$ (10,940)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax			1,200
Increase (Decrease) in Pension Plan Obligations			$ 700