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Flight Equipment Held for Sale (Details) $ in Millions	Dec. 31, 2023 USD ($) aircraft	Dec. 31, 2022 USD ($) aircraft
Disposal Group, Held-for-sale, Not Discontinued Operations | Fourteen Aircrafts
Flight Equipment Held for Sale
Number of aircraft	14
Carrying value of assets held for sale | $	$ 605.1
Disposal Group, Held-for-sale, Not Discontinued Operations | Six Aircrafts
Flight Equipment Held for Sale
Number of aircraft	6
Purchase deposits | $	$ 305.8
Disposal Group, Held-for-sale, Not Discontinued Operations | Four Aircrafts
Flight Equipment Held for Sale
Number of aircraft		4
Carrying value of assets held for sale | $		$ 153.5
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Twenty Five Aircrafts
Flight Equipment Held for Sale
Number of aircraft	25

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Amount classified as property, plant and equipment attributable to disposal group held for sale or disposed of.

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