Consolidated Statement of Changes in Shareholders' Equity - USD ($) shares in Thousands, $ in Thousands		Total		Common Stock	Capital in Excess of Par Value	Retained Earnings	Accumulated Other Comprehensive Loss	Preferred Stock Series A Preferred Stock
Balance, beginning balance (shares) at Feb. 29, 2020				26,148
Balance, beginning balance at Feb. 29, 2020		$ 634,366		$ 26,148	$ 66,703	$ 572,414	$ (30,899)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation		7,330			7,330
Common stock issued under stock-based plans and related income tax expense (shares)				83
Common stock issued under stock-based plans and related income tax expense		(712)		$ 83	(795)
Common stock issued under employee stock purchase plan (shares)				91
Common stock issued under employee stock purchase plan		2,832		$ 91	2,741
Repurchase and retirement of common stock (shares)				(1,214)
Repurchase and retirement of common stock		(48,311)		$ (1,214)		(47,097)
Cash dividends paid on common shares		(17,642)				(17,642)
Net income (loss) available to common shareholders		39,614				39,614
Foreign currency translation		5,865					5,865
Reclassification of foreign currency translation adjustment from accumulated other comprehensive loss to loss on sale of discontinued operations		0
Pension actuarial gain (loss)	[1]	0
Interest rate swap		(50)					(50)
Balance, ending balance (shares) at Feb. 28, 2021				25,108
Balance, ending balance at Feb. 28, 2021		623,292		$ 25,108	75,979	547,289	(25,084)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation		9,449			9,449
Common stock issued under stock-based plans and related income tax expense (shares)				109
Common stock issued under stock-based plans and related income tax expense		(2,187)		$ 109	(2,296)
Common stock issued under employee stock purchase plan (shares)				73
Common stock issued under employee stock purchase plan		2,788		$ 73	2,715
Repurchase and retirement of common stock (shares)				(602)
Repurchase and retirement of common stock		(30,815)		$ (602)		(30,213)
Cash dividends paid on common shares		(16,874)				(16,874)
Net income (loss) available to common shareholders		84,022				84,022
Foreign currency translation		(2,310)				(70)	(2,240)
Reclassification of foreign currency translation adjustment from accumulated other comprehensive loss to loss on sale of discontinued operations		0
Pension actuarial gain (loss)	[1]	0
Balance, ending balance (shares) at Feb. 28, 2022				24,688
Balance, ending balance at Feb. 28, 2022		667,365		$ 24,688	85,847	584,154	(27,324)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation		8,362			8,362
Issuance of Class A convertible preferred stock in exchange for convertible debt (in shares)								240
Issuance of Class A convertible preferred stock in exchange for convertible debt		233,722			233,482			$ 240
Common stock issued under stock-based plans and related income tax expense (shares)				154
Accrued Dividends		(8,240)				(8,240)
Common stock issued under stock-based plans and related income tax expense		(3,000)		$ 154	(3,154)
Common stock issued under employee stock purchase plan (shares)				70
Common stock issued under employee stock purchase plan		2,372		$ 70	2,302
Cash dividends paid on common shares		(16,898)				(16,898)
Net income (loss) available to common shareholders		(52,974)				(52,974)
Foreign currency translation		(7,997)					(7,997)
Reclassification of foreign currency translation adjustment from accumulated other comprehensive loss to loss on sale of discontinued operations		27,750					27,750
Pension actuarial gain (loss)		119	[1]				119
Interest rate swap		2,879					2,879
Balance, ending balance (shares) at Feb. 28, 2023				24,912				240
Balance, ending balance at Feb. 28, 2023		$ 853,460		$ 24,912	$ 326,839	$ 506,042	$ (4,573)	$ 240

[1] (1) Net of tax of $43 for 2023.