Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Nov. 29, 2020	Dec. 01, 2019
Cash flows from operating activities:
Net earnings from continuing operations	$ 4,160	$ 7,572
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	870	1,142
Stock-based compensation	142	404
Deferred income taxes	119	103
Amortization of bond premium	266	(36)
Changes in operating assets and liabilities	3,053	(6,492)
Net cash provided by operating activities - continuing operations	8,610	2,693
Net cash used in operating activities - discontinued operations	(328)	(404)
Net cash provided by operating activities	8,282	2,289
Cash flows from investing activities:
Purchase of property, plant and equipment	(5,251)	(4,363)
Purchases of marketable securities	(62,876)	(100,454)
Proceeds from sales and maturities of marketable securities	65,982	43,950
Net cash used in investing activities - continuing operations	(2,145)	(60,867)
Net cash used in investing activities - discontinued operations
Net cash used in investing activities	(2,145)	(60,867)
Cash flows from financing activities:
Dividends paid	(6,114)	(6,150)
Proceeds from exercise of stock options		401
Purchase of treasury stock	(1,644)
Net cash used in financing activities - continuing operations	(7,758)	(5,749)
Net cash used in financing activities - discontinued operations
Net cash used in financing activities	(7,758)	(5,749)
Decrease in cash and cash equivalents	(1,621)	(64,327)
Cash and cash equivalents, beginning of period	5,410	71,007
Cash and cash equivalents, end of period	3,789	6,680
Supplemental cash flow information:
Cash paid during the period for income taxes, net of refunds	$ 717	$ 7,614