Consolidated Statement of Shareholders' Equity - PY Statement - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]
Balance (shares) at Feb. 28, 2018		25,959
Balance at Feb. 28, 2018	$ 565,203	$ 25,959	$ 38,446	$ 526,018	$ (25,220)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative Effect on Retained Earnings, Net of Tax	716			716
Stock Compensation (shares)		0
Stock Compensation	1,358	$ 0	1,358
Restricted Stock Units (shares)		31
Restricted Stock Units	(518)	$ 31	(549)
Employee Stock Purchase Plan (shares)		37
Employee Stock Purchase Plan	1,327	$ 37	1,290
Cash Dividend Paid	(4,418)			(4,418)
Net income	15,718			15,718
Foreign Currency Translation	(2,256)				(2,256)
Interest rate swap	(14)				(14)
Balance (shares) at May. 31, 2018		26,027
Balance at May. 31, 2018	577,116	$ 26,027	40,545	538,034	(27,490)
Balance (shares) at Feb. 28, 2018		25,959
Balance at Feb. 28, 2018	565,203	$ 25,959	38,446	526,018	(25,220)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	42,357
Foreign Currency Translation	(3,988)
Interest rate swap	(41)
Balance (shares) at Nov. 30, 2018		26,087
Balance at Nov. 30, 2018	596,594	$ 26,087	43,944	555,812	(29,249)
Balance (shares) at May. 31, 2018		26,027
Balance at May. 31, 2018	577,116	$ 26,027	40,545	538,034	(27,490)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Compensation (shares)		0
Stock Compensation	2,301	$ 0	2,301
Restricted Stock Units (shares)		23
Restricted Stock Units	(36)	$ 23	(59)
Cash Dividend Paid	(4,426)			(4,426)
Net income	11,244			11,244
Foreign Currency Translation	455				455
Interest rate swap	(13)				(13)
Balance (shares) at Aug. 31, 2018		26,050
Balance at Aug. 31, 2018	586,641	$ 26,050	42,787	544,852	(27,048)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Compensation (shares)		0
Stock Compensation	(324)	$ 0	(324)
Employee Stock Purchase Plan (shares)		37
Employee Stock Purchase Plan	1,518	$ 37	1,481
Cash Dividend Paid	(4,435)			(4,435)
Net income	15,395			15,395
Foreign Currency Translation	(2,187)				(2,187)
Interest rate swap	(14)				(14)
Balance (shares) at Nov. 30, 2018		26,087
Balance at Nov. 30, 2018	596,594	$ 26,087	43,944	555,812	(29,249)
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
Stock Compensation	1,350	$ 0	1,350
Restricted Stock Units (shares)		37
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. 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]
Net income	58,877
Foreign Currency Translation	(1,434)
Interest rate swap	(41)
Balance (shares) at Nov. 30, 2019		26,240
Balance at Nov. 30, 2019	653,243	$ 26,240	51,484	605,746	(30,227)
Balance (shares) at May. 31, 2019		26,152
Balance at May. 31, 2019	619,257	$ 26,152	46,763	577,068	(30,726)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Compensation (shares)		0
Stock Compensation	1,736	$ 0	1,736
Restricted Stock Units (shares)		18
Restricted Stock Units	0	$ 18	(18)
Employee Stock Purchase Plan (shares)		51
Employee Stock Purchase Plan	1,781	$ 51	1,730		0
Cash Dividend Paid	(4,454)			(4,454)
Net income	15,558			15,558
Foreign Currency Translation	741				741
Interest rate swap	(13)				(13)
Balance (shares) at Aug. 31, 2019		26,221
Balance at Aug. 31, 2019	634,606	$ 26,221	50,211	588,172	(29,998)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Compensation (shares)		0
Stock Compensation	1,818	$ 0	1,818
Restricted Stock Units (shares)		19
Restricted Stock Units	(526)	$ 19	(545)
Cash Dividend Paid	(4,461)			(4,461)
Net income	22,035			22,035
Foreign Currency Translation	(215)				(215)
Interest rate swap	(14)				(14)
Balance (shares) at Nov. 30, 2019		26,240
Balance at Nov. 30, 2019	$ 653,243	$ 26,240	$ 51,484	$ 605,746	$ (30,227)

Amount of the cumulative effect on retained earnings net of related income tax effect.

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