Consolidated Statement of Shareholders' Equity - CY Statement - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Capital in Excess of Par Value	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Balance (shares) at Feb. 28, 2019		26,115
Balance at Feb. 28, 2019	$ 603,728	$ 26,115	$ 46,141	$ 560,224	$ (28,752)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Compensation (shares)		0
Restricted Stock Units (shares)		37
Stock Compensation	1,350	$ 0	1,350
Restricted Stock Units	(691)	$ 37	(728)
Cash Dividend Paid	(4,440)			(4,440)
Net income	21,284			21,284
Foreign Currency Translation	(1,960)				(1,960)
Interest rate swap	(14)				(14)
Balance (shares) at May. 31, 2019		26,152
Balance at May. 31, 2019	619,257	$ 26,152	46,763	577,068	(30,726)
Balance (shares) at Feb. 29, 2020		26,148
Balance at Feb. 29, 2020	634,366	$ 26,148	66,703	572,414	(30,899)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Compensation (shares)		0
Restricted Stock Units (shares)		47
Stock Compensation	1,766	$ 0	1,766
Restricted Stock Units	(539)	$ 47	(586)
Cash Dividend Paid	(4,425)			(4,425)
Net income	5,541			5,541
Foreign Currency Translation	(1,039)				(1,039)
Interest rate swap	(14)				(14)
Balance (shares) at May. 31, 2020		26,195
Balance at May. 31, 2020	$ 635,656	$ 26,195	$ 67,883	$ 573,530	$ (31,952)