Flight Equipment Held for Lease, Net (Details) $ in Thousands		12 Months Ended
	Dec. 26, 2023 USD ($) aircraft	Feb. 28, 2025 USD ($)	Feb. 29, 2024 USD ($)	Feb. 28, 2023 USD ($)
Property, Plant and Equipment [Line Items]
Net Book Value		$ 7,644,867	$ 6,940,502
Depreciation		(355,666)	(348,229)	$ (332,663)
Transfers from Flight equipment held for lease, net to Net investment in leases, net and Other assets		54,151	220,648	1,695
Asset Impairment Charges		(19,391)	(55,240)	(85,623)
Proceeds from Insurance Settlement, Operating Activities	$ 43,200	49,500
RUSSIAN FEDERATION | Aircraft Remaining in Country of Base Operations
Property, Plant and Equipment [Line Items]
Number of Aircraft Previously on Lease with Russian Airlines | aircraft	9
RUSSIAN FEDERATION | Aircraft Remaining in Country of Base Operations | Settlement Resolved
Property, Plant and Equipment [Line Items]
Number of Aircraft Previously on Lease with Russian Airlines | aircraft	4
Flight Equipment
Property, Plant and Equipment [Line Items]
Property, Plant, and Equipment, Lessor Asset under Operating Lease, Accumulated Depreciation		2,163,084	2,328,354
Net Book Value		7,644,867	6,940,502	$ 6,567,606
Property, Plant and Equipment, Additions		1,670,063	1,264,369
Depreciation		(353,395)	(347,297)
Transfers from Flight equipment held for lease, net to Net investment in leases, net and Other assets		(601,331)	(492,818)
Asset Impairment Charges		$ (10,972)	$ (51,358)