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Weighted average interest rate of debt outstanding.

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Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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Borrowings from Secured and Unsecured Debt Financings (Details) $ in Thousands	Feb. 29, 2024 USD ($) aircraft	Jan. 22, 2024 USD ($)	Jul. 18, 2023 USD ($)	Feb. 28, 2023 USD ($)
Debt Instrument [Line Items]
Borrowings from secured financings, net	$ 875,397			$ 752,298
Borrowings from unsecured financings, net	3,823,099			3,842,454
Long-term Debt	$ 4,698,496			4,594,752
Debt, Weighted Average Interest Rate	5.45%
Secured Debt
Debt Instrument [Line Items]
Borrowings from secured financings, net	$ 875,397			752,298
Line of Credit \| Revolving Credit Facility
Debt Instrument [Line Items]
Borrowings from unsecured financings, net	20,000			20,000
Unsecured Debt
Debt Instrument [Line Items]
Borrowings from unsecured financings, net	3,823,099			3,842,454
Bank Financings [Member] \| Notes Payable to Banks
Debt Instrument [Line Items]
Borrowings from secured financings, net	$ 883,451			761,283
Number of Aircraft Financed \| aircraft	38
Bank Financings [Member] \| Notes Payable, Other Payables
Debt Instrument [Line Items]
Debt, Weighted Average Interest Rate	5.45%
Secured Debt
Debt Instrument [Line Items]
Unamortized Debt Issuance Expense	$ (8,054)			(8,985)
Senior Notes Due 2023 [Member] \| Senior Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	0.00%
Borrowings from unsecured financings, net	$ 0			500,000
Senior 4.40% Notes due 2023 [Member] \| Senior Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	0.00%
Borrowings from unsecured financings, net	$ 0			650,000
Senior Notes Due 2024 [Member] \| Senior Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.125%
Borrowings from unsecured financings, net	$ 500,000			500,000
Senior Notes Due 2025 \| Senior Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.25%
Borrowings from unsecured financings, net	$ 650,000			650,000
Senior Notes Due 2026 \| Senior Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.25%
Borrowings from unsecured financings, net	$ 650,000			650,000
Senior Notes Due 2028 \| Senior Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	2.85%
Borrowings from unsecured financings, net	$ 750,000			750,000
DBJ Term Loan \| Term Loan
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	0.00%
Borrowings from unsecured financings, net	$ 0			155,000
Unsecured Debt
Debt Instrument [Line Items]
Unamortized Debt Issuance Expense	$ (46,901)			(32,546)
6.500% Senior Notes Due 2028 \| Senior Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.50%
Borrowings from unsecured financings, net	$ 650,000		$ 650,000	0
5.950% Senior Notes Due 2029 \| Senior Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.95%
Borrowings from unsecured financings, net	$ 650,000	$ 650,000		$ 0
Minimum \| Bank Financings [Member] \| Notes Payable to Banks
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	2.36%
Maximum \| Line of Credit \| Revolving Credit Facility
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	7.48%
Maximum \| Bank Financings [Member] \| Notes Payable to Banks
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	7.67%