Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Feb. 25, 2018	Feb. 26, 2017	Feb. 28, 2016
Net sales	$ 111,196	$ 114,609	$ 145,855
Cost of sales	84,737	84,568	103,103
Gross profit	26,459	30,041	42,752
Selling, general and administrative expenses	19,371	19,739	21,211
Restructuring charges (Note 8)	5,022	313	535
Earnings from operations	2,066	9,989	21,006
Interest expense (Note 10)	2,269	1,432	1,657
Interest and other income	2,675	1,704	1,149
Loss on sale of marketable securities	(1,342)
Earnings before income taxes	1,130	10,261	20,498
Income tax (benefit) provision (Note 4)	(19,465)	978	2,469
Net earnings	$ 20,595	$ 9,283	$ 18,029
Earnings per share (Note 7):
Basic earnings per share (in dollars per share)	$ 1.02	$ 0.46	$ 0.89
Basic weighted average shares (in shares)	20,237	20,235	20,347
Diluted earnings per share (in dollars per share)	$ 1.02	$ 0.46	$ 0.89
Diluted weighted average shares (in shares)	20,267	20,239	20,352