Borrowings from Secured and Unsecured Debt Financings - Narrative (Details)			3 Months Ended			9 Months Ended
	Dec. 27, 2024 USD ($) aircraft	Aug. 28, 2024 USD ($) aircraft	Nov. 30, 2024 USD ($)	Aug. 31, 2024 USD ($)	Nov. 30, 2023 USD ($)	Nov. 30, 2024 USD ($)	Nov. 30, 2023 USD ($)	Jul. 18, 2024	Feb. 29, 2024 USD ($)
Debt Instrument [Line Items]
Gain on extinguishment of debt			$ 0	$ 300,000	$ 0	$ 285,000	$ 0
Borrowings from unsecured financings, net			3,827,359,000			3,827,359,000			$ 3,823,099,000
Remaining borrowing capacity			2,100,000,000			2,100,000,000
6.500% Senior Notes due 2028 | Senior Notes | 6.50%
Debt Instrument [Line Items]
Borrowings from unsecured financings, net			$ 650,000,000			$ 650,000,000			650,000,000
Interest rate			6.50%			6.50%
2023 Secured Facility | Secured Debt
Debt Instrument [Line Items]
Principal paid		$ 206,300,000
Individual debt instrument at time of issuance, part of overall portfolio of term financings		1
Maximum number of aircraft secured by debt instrument | aircraft		8
Accrued interest paid		$ 1,900,000
5.75% | Senior Notes | 5.75%
Debt Instrument [Line Items]
Interest rate								5.75%
5.75% Senior Notes Due 2031 | Senior Notes
Debt Instrument [Line Items]
Debt issue price percent								99.64%
NAB 2018/2019 Financing | Secured Debt | Subsequent Event
Debt Instrument [Line Items]
Principal paid	$ 60,600,000
Individual debt instrument at time of issuance, part of overall portfolio of term financings	1
Maximum number of aircraft secured by debt instrument | aircraft	7
Accrued interest paid	$ 600,000
Revolving Credit Facility | Line of Credit
Debt Instrument [Line Items]
Borrowings from unsecured financings, net			$ 20,000,000			$ 20,000,000			$ 20,000,000