Note 4 - Income Taxes - Effective Income Tax Reconciliation (Details)	12 Months Ended
	Mar. 01, 2020	Mar. 03, 2019	Feb. 25, 2018
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	21.00%	32.90%
State and local taxes, net of	0.10%	1.60%	(41.40%)
Foreign tax rate differentials	(0.60%)	(0.80%)	(117.60%)
Valuation allowance on deferred tax assets	(0.10%)	(2.80%)
Adjustment on tax accruals	(17.60%)	2.90%	56.80%
ASC 740-10 change	23.50%	0.40%	104.70%
Foreign tax credits	(2.70%)	(3.20%)	(118.00%)
U.S. Tax Reform			(5944.20%)
Subpart F	4.00%	4.00%	281.10%
Permanent differences and other	(0.10%)	(1.00%)	(104.00%)
Effective Income Tax Rate Reconciliation, Percent, Total	27.50%	22.10%	(5849.70%)