Consolidated Statements of Shareholders' Equity (USD $) In Thousands, except Share data	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Total
Balance, at Feb. 27, 2011	$ 2,072	$ 154,459	$ 166,795	$ 1,983	$ (1)
Balance, (in Shares) at Feb. 27, 2011	20,722,179				158
Net earnings (loss)			23,442			23,442
Foreign currency translation				70		70
Unrealized gain (loss) on marketable securities, net of tax				24
Stock options exercised	7	1,803
Stock options exercised (in Shares)	73,412					73,412
Stock-based compensation		762
Tax benefit on exercise of options		91
Cash dividends			(8,296)
Balance, at Feb. 26, 2012	2,079	157,115	181,941	2,077	(1)
Balance, (in Shares) at Feb. 26, 2012	20,795,591				158
Net earnings (loss)			16,961			16,961
Foreign currency translation				(1,390)		75
Unrealized gain (loss) on marketable securities, net of tax				(58)
Stock options exercised	4	758			(93)
Stock options exercised (in Shares)	35,987				3,908	35,987
Stock-based compensation		915
Tax benefit on exercise of options		2
Cash dividends			(60,388)
Balance, at Mar. 03, 2013	2,083	158,790	138,514	629	(94)	299,922
Balance, (in Shares) at Mar. 03, 2013	20,831,578				4,066
Net earnings (loss)			(42,329)			(42,329)
Foreign currency translation				420		420
Unrealized gain (loss) on marketable securities, net of tax				172
Stock options exercised	5	1,157
Stock options exercised (in Shares)	51,266				8	51,266
Stock-based compensation		1,730
Cash dividends			(60,534)
Balance, at Mar. 02, 2014	$ 2,088	$ 161,677	$ 35,651	$ 1,221	$ (94)	$ 200,543
Balance, (in Shares) at Mar. 02, 2014	20,882,844				4,074