Note 9 - Income Taxes (Details Textual) - USD ($)	3 Months Ended		12 Months Ended
	Jun. 02, 2019	May 27, 2018	Mar. 03, 2019	Feb. 25, 2018
Income Tax Expense (Benefit), Total	$ 1,116,000	$ 275,000
Tax Adjustments, Settlements, and Unusual Provisions	$ 153,000
Effective Income Tax Rate Reconciliation, Percent, Total	29.10%	25.20%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	21.00%
Undistributed Earnings, Basic, Total	$ 25,000,000
Foreign Earnings Repatriated	$ 0		$ 113,600,000	$ 135,300,000