Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]
Beginning balance at Mar. 01, 2013	$ 361,216	$ 75,134	$ 122,186	$ 251,713	$ (14,903)	$ (72,914)
Beginning balance common stock, shares at Mar. 01, 2013		30,053,443
Beginning balance, treasury stock, shares at Mar. 01, 2013						(4,084,765)
Net earnings (loss)	13,189			13,189
Foreign currency translation, net of deferred tax of $910, $2,273 and $3,254 respectively	(1,486)				(1,486)
Adjustment to pension, net of deferred tax of $2,435, $3,718 and $138 respectively	3,976				3,976
Dividends paid ($0.525, $0.70 and $0.70 per share respectively)	(13,765)			(13,765)
Excess tax benefit of stock option exercises and restricted stock grants	17		17
Stock based compensation	1,532		1,532
Exercise of stock options and restricted stock	94		(1,218)			$ 1,312
Exercise of stock options and restricted stock grants, shares						73,503
Stock repurchases	(1,838)					$ (1,838)
Stock repurchases, shares						(120,014)
Ending balance at Feb. 28, 2014	362,935	$ 75,134	122,517	251,137	(12,413)	$ (73,440)
Ending balance common stock, shares at Feb. 28, 2014		30,053,443
Ending balance treasury stock, shares at Feb. 28, 2014						(4,131,276)
Net earnings (loss)	(44,533)			(44,533)
Foreign currency translation, net of deferred tax of $910, $2,273 and $3,254 respectively	(3,712)				(3,712)
Adjustment to pension, net of deferred tax of $2,435, $3,718 and $138 respectively	(6,072)				(6,072)
Dividends paid ($0.525, $0.70 and $0.70 per share respectively)	(18,191)			(18,191)
Excess tax benefit of stock option exercises and restricted stock grants	(106)		(106)
Stock based compensation	1,339		1,339
Exercise of stock options and restricted stock	54		(2,063)			$ 2,117
Exercise of stock options and restricted stock grants, shares						119,061
Stock repurchases	(7,034)					$ (7,034)
Stock repurchases, shares						(502,690)
Ending balance at Feb. 28, 2015	$ 284,680	$ 75,134	121,687	188,413	(22,197)	$ (78,357)
Ending balance common stock, shares at Feb. 28, 2015	30,053,443	30,053,443
Ending balance treasury stock, shares at Feb. 28, 2015						(4,514,905)
Net earnings (loss)	$ 35,736			35,736
Foreign currency translation, net of deferred tax of $910, $2,273 and $3,254 respectively	(5,313)				(5,313)
Adjustment to pension, net of deferred tax of $2,435, $3,718 and $138 respectively	225				225
Dividends paid ($0.525, $0.70 and $0.70 per share respectively)	(18,044)			(18,044)
Excess tax benefit of stock option exercises and restricted stock grants	(46)		(46)
Stock based compensation	1,308		1,308
Exercise of stock options and restricted stock			(1,352)			$ 1,352
Exercise of stock options and restricted stock grants, shares						77,900
Stock repurchases	0
Ending balance at Feb. 29, 2016	$ 298,546	$ 75,134	$ 121,597	$ 206,105	$ (27,285)	$ (77,005)
Ending balance common stock, shares at Feb. 29, 2016	30,053,443	30,053,443
Ending balance treasury stock, shares at Feb. 29, 2016						(4,437,005)