Fair Value Measurements Fair Value Measurements (Details 4) (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 29, 2024	Feb. 28, 2023	Feb. 28, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment of flight equipment	$ 55,240	$ 85,623	$ 452,250
Transactional
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment of flight equipment	39,500
Impairments not Related to Russian Invasion of Ukraine
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment of flight equipment	$ 53,700