Debentures (Details) $ / shares in Units, shares in Thousands	3 Months Ended		9 Months Ended
	Nov. 30, 2023 USD ($) $ / shares	Nov. 30, 2022 USD ($)	Nov. 30, 2023 USD ($) $ / shares shares	Nov. 30, 2022 USD ($)	Nov. 13, 2023 USD ($)
Debt Instrument [Line Items]
Face amount of debt	$ 150,000,000		$ 150,000,000
Interest rate	1.75%		1.75%
Par value of convertible debentures			$ 1,000
Debt Instrument, Convertible, Number of Equity Instruments - with decimals			166.67
Conversion of stock (in shares) | shares			25,000
Conversion price (in dollars per share) | $ / shares	$ 6.00		$ 6.00
Interest rate in event of default	5.75%		5.75%
Percent of debt holders (not less than)	25.00%		25.00%
Percentage change of control	115.00%		115.00%
Ownership percentage by arms length party, common shares	35.00%		35.00%
Ownership percentage, common shares	50.00%		50.00%
Unpaid principal balance	$ 150,000,000		$ 150,000,000
Fair Value, Option, Aggregate Differences, Long-term Debt Instruments	0		0
Interest expense, debt	$ 1,000,000	$ 2,000,000	$ 5,000,000	$ 5,000,000
Maximum ownership allowed after converting 1.75% Debenture	19.99%		19.99%
Related Party Principal Amounts of Extension Debenture Owned	$ 150,000,000		$ 150,000,000
Related Party Principal Amounts of 2020 Debenture Owned	$ 330,000,000		$ 330,000,000
Extension Debentures
Debt Instrument [Line Items]
Face amount of debt					$ 365,000,000
Redemption period, end date			Feb. 15, 2024
Extension Debenture - extend Maturity Date			May 15, 2024
2020 Debentures
Debt Instrument [Line Items]
Redemption period, end date			Nov. 13, 2023