The Company and Basis of Presentation (Details) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 30, 2025 USD ($) shares	Nov. 30, 2024 USD ($) shares	Nov. 30, 2025 USD ($) segment shares	Nov. 30, 2024 USD ($) shares	Aug. 31, 2025 USD ($) shares	Feb. 28, 2025 USD ($) shares	Aug. 31, 2024 USD ($) shares	Feb. 29, 2024 USD ($) shares
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of operating segments | segment			3
Common stock issued under stock-based plans and related tax expense			$ (5,007)	$ (4,967)
Share-based compensation	$ 2,467	$ 3,796	11,891	11,234
Secondary public offering and issuance of additional common stock				308,668
Dividends on Series A Preferred Stock				(1,200)
Dividends, Cash	(6,002)	(5,080)	(17,099)	(14,423)
Redemption premium on Series A Preferred Stock				(75,198)
Net income (loss)	41,075	33,603	301,329	108,624
Other comprehensive income (loss)	(1,323)	(2,487)	583	(5,488)
Stockholders' Equity Attributable to Parent	1,319,248	1,029,588	1,319,248	1,029,588	$ 1,303,031	$ 1,045,495	$ 999,756	$ 700,769
Capital in Excess of Par Value
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Common stock issued under stock-based plans and related tax expense			(5,116)	(5,099)
Share-based compensation	2,467	3,796	11,891	11,234
Secondary public offering and issuance of additional common stock				304,068
Stockholders' Equity Attributable to Parent	$ 426,800	$ 415,059	426,800	415,059	$ 424,333	$ 418,004	$ 411,263	$ 103,330
Common Stock
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Common stock issued under stock-based plans and related tax expense			$ 109	$ 132
Common stock issued under stock-based plans and related income tax expense (shares) | shares			109	132
Secondary public offering and issuance of additional common stock				$ 4,600
Secondary public offering and issuance of additional common stock (in shares) | shares				4,600
Shares, Issued | shares	29,856	29,877	29,856	29,877	30,057	29,913	29,877	25,102
Stockholders' Equity Attributable to Parent	$ 29,856	$ 29,877	$ 29,856	$ 29,877	$ 30,057	$ 29,913	$ 29,877	$ 25,102
Retained Earnings
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Dividends on Series A Preferred Stock				(1,200)
Dividends, Cash	(6,002)	(5,080)	(17,099)	(14,423)
Redemption premium on Series A Preferred Stock				(75,198)
Net income (loss)	41,075	33,603	301,329	108,624
Stockholders' Equity Attributable to Parent	873,589	594,034	873,589	594,034	858,315	609,158	565,511	576,231
Accumulated Other Comprehensive Income (Loss)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Other comprehensive income (loss)	(1,323)	(2,487)	583	(5,488)
Stockholders' Equity Attributable to Parent	$ (10,997)	$ (9,382)	$ (10,997)	$ (9,382)	$ (9,674)	$ (11,580)	$ (6,895)	$ (3,894)
AIS Joint Venture
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership percentage of investment	40.00%		40.00%		40.00%