Consolidated Statements of Comprehensive Earnings (Unaudited) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Nov. 27, 2016	Nov. 29, 2015	Nov. 27, 2016	Nov. 29, 2015
Net earnings	$ 1,875	$ 4,109	$ 6,806	$ 13,455
Other comprehensive earnings (loss), net of tax:
Foreign currency translation	28	28	33	91
Unrealized gains on marketable securities:
Other comprehensive loss	(340)	(144)	(414)	(126)
Total comprehensive earnings	1,535	3,965	6,392	13,329
Gains on Marketable Securities [Member]
Unrealized gains on marketable securities:
Unrealized holding gains (losses) arising during the period		70	11	99
Less: reclassification adjustment for gains (losses) included in net earnings	(105)	(11)	(160)	(17)
Losses on Marketable Securities [Member]
Unrealized gains on marketable securities:
Unrealized holding gains (losses) arising during the period	(292)	(264)	(361)	(335)
Less: reclassification adjustment for gains (losses) included in net earnings	$ 29	$ 33	$ 63	$ 36

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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