Note 4 - Income Taxes - Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 25, 2018	Feb. 26, 2017	Feb. 28, 2016
Current:
Federal	$ 21,568	$ (532)	$ 10,118
State and local	219	(40)	(120)
Foreign	808	3,083	3,883
	22,595	2,511	13,881
Deferred:
Federal	(42,054)	(369)	(11,273)
State and local	(52)	(590)	(205)
Foreign	46	(574)	66
	(42,060)	(1,533)	(11,412)
	$ (19,465)	$ 978	$ 2,469