Note 4 - Income Taxes - Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
Feb. 26, 2017	Feb. 28, 2016	Mar. 01, 2015
Balance, beginning of year	$ 1,024	$ 1,255	$ 1,135
Gross decreases-tax positions in prior period	(688)	(293)
Gross increases-current period tax positions	320	274	271
Audit settlements		(42)	(57)
Lapse of statute of limitations	(155)	(170)	(94)
Balance, end of year	$ 501	$ 1,024	$ 1,255

Amount of unrecognized tax benefits.

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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