Flight Equipment Held for Lease, Net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 31, 2024	Aug. 31, 2023	Aug. 31, 2024	Aug. 31, 2023
Impaired Long-Lived Assets Held And Used [Roll Forward]
Balance, beginning of period			$ 6,940,502
Depreciation	$ (87,675)	$ (86,328)	(177,033)	$ (175,117)
Transfers from flight equipment held for lease to Net investment in leases and Other assets			6,310	182,818
Impairments	(5,761)	$ (1,100)	(10,972)	$ (2,197)
Balance, end of period	6,798,327		6,798,327
Flight Equipment
Impaired Long-Lived Assets Held And Used [Roll Forward]
Balance, beginning of period			6,940,502
Additions			350,962
Depreciation			(175,905)
Transfers from flight equipment held for lease to Net investment in leases and Other assets			(306,260)
Impairments			(10,972)
Balance, end of period	6,798,327		6,798,327
Accumulated depreciation	$ 2,173,023		$ 2,173,023