Income Taxes (Details 4) - USD ($) $ in Thousands	12 Months Ended
	Feb. 29, 2024	Feb. 28, 2023	Feb. 28, 2022
Income Tax Statutory Rate [Line Items]
Deferred Income Tax Expense (Benefit)	$ 20,053	$ 13,690	$ (9,386)
Analysis of effective income tax rate for continuing operations
U.S. state and local income tax, net	21,919	18,068	(60,742)
Non-deductible expenses in the U.S.	29	19	16
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount	1,107	(968)	71
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount	1,098	928	1,237
Income tax provision (benefit)	23,265	25,466	(7,998)
Bermuda | Foreign Tax Authority
Analysis of effective income tax rate for continuing operations
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount	(6,659)	(12,039)	27,751
Ireland | Foreign Tax Authority
Analysis of effective income tax rate for continuing operations
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount	5,709	19,279	23,510
SINGAPORE | Foreign Tax Authority
Analysis of effective income tax rate for continuing operations
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount	(2)	27	174
Other low tax jurisdictions | Foreign Tax Authority
Analysis of effective income tax rate for continuing operations
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount	$ 64	$ 152	$ (15)