Flight Equipment Held for Lease, Net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 31, 2023	Aug. 31, 2022	Aug. 31, 2023	Aug. 31, 2022
Impaired Long-Lived Assets Held And Used [Roll Forward]
Property, Plant, and Equipment, Lessor Asset under Operating Lease, after Accumulated Depreciation			$ 6,567,606
Depreciation	$ (86,328)	$ (82,106)	(175,117)	$ (163,424)
Transfers from flight equipment held for lease to Net investment in leases and Other assets			182,818	8,895
Impairments	(1,100)	$ (33,671)	(2,197)	$ (38,099)
Property, Plant, and Equipment, Lessor Asset under Operating Lease, after Accumulated Depreciation	6,501,828		6,501,828
Flight Equipment
Impaired Long-Lived Assets Held And Used [Roll Forward]
Property, Plant, and Equipment, Lessor Asset under Operating Lease, after Accumulated Depreciation			6,567,606
Additions			365,025
Depreciation			(174,652)
Transfers from flight equipment held for lease to Net investment in leases and Other assets			(255,054)
Impairments			(1,097)
Property, Plant, and Equipment, Lessor Asset under Operating Lease, after Accumulated Depreciation	6,501,828		6,501,828
Property, Plant, and Equipment, Lessor Asset under Operating Lease, Accumulated Depreciation	$ 2,254,500		$ 2,254,500