Number of Aircraft Previously on Lease with Russian Airlines that Remain in Russia

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Fair Value Measurements (Details) $ in Thousands		12 Months Ended
Fair Value Measurements (Details) $ in Thousands	Dec. 26, 2023 aircraft	Feb. 28, 2025 USD ($)	Feb. 29, 2024 USD ($)	Feb. 28, 2023 USD ($)
Liabilities:
Impairment of flight equipment		$ 19,391	$ 55,240	$ 85,623
Aircraft Remaining in Country of Base Operations \| RUSSIAN FEDERATION
Liabilities:
Number of Aircraft Previously on Lease with Russian Airlines \| aircraft	9
Recurring \| Quoted Prices In Active Markets for Identical Assets (Level 1)
Assets:
Cash and cash equivalents		279,052	129,977
Total		985	1,687
Recurring \| Quoted Prices In Active Markets for Identical Assets (Level 1) \| Debt Securities
Assets:
Investments, Fair Value Disclosure		0	0
Recurring \| Quoted Prices In Active Markets for Identical Assets (Level 1) \| Equity Securities
Assets:
Investments, Fair Value Disclosure		985	1,687
Recurring \| Significant Other Observable Inputs (Level 2)
Assets:
Cash and cash equivalents		0	0
Total		0	0
Recurring \| Significant Other Observable Inputs (Level 2) \| Debt Securities
Assets:
Investments, Fair Value Disclosure		0	0
Recurring \| Significant Other Observable Inputs (Level 2) \| Equity Securities
Assets:
Investments, Fair Value Disclosure		0	0
Recurring \| Significant Unobservable Inputs (Level 3)
Assets:
Cash and cash equivalents		0	0
Total		8,927	8,473
Recurring \| Significant Unobservable Inputs (Level 3) \| Debt Securities
Assets:
Investments, Fair Value Disclosure		5,029	5,029
Recurring \| Significant Unobservable Inputs (Level 3) \| Equity Securities
Assets:
Investments, Fair Value Disclosure		3,898	3,444
Estimate of Fair Value Measurement \| Significant Other Observable Inputs (Level 2) \| Debt Securities
Assets:
Investments, Fair Value Disclosure		9,912	10,160
Estimate of Fair Value Measurement \| Significant Other Observable Inputs (Level 2) \| Equity Securities
Assets:
Investments, Fair Value Disclosure		4,916	5,079
Estimate of Fair Value Measurement \| Recurring
Assets:
Cash and cash equivalents		279,052	129,977
Total		9,912	10,160
Estimate of Fair Value Measurement \| Recurring \| Debt Securities
Assets:
Investments, Fair Value Disclosure		5,029	5,029
Estimate of Fair Value Measurement \| Recurring \| Equity Securities
Assets:
Investments, Fair Value Disclosure		$ 4,883	$ 5,131