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Commitments - Additional Information (Details) $ in Millions |  | 3 Months Ended
--- | --- | ---
Jun. 24, 2019 air-craft | Aug. 31, 2019 USD ($) air-craft
Other Aircraft Commitments Disclosure [Abstract] |  |
Deposit and Progress Payments | $ |  | $ 611
B767F [Member] |  |
Other Aircraft Commitments Disclosure [Abstract] |  |
Conditional Aircraft Commitments |  | 5
Number of additional aircraft agreed to purchase options exercised | 6 |
Aircraft expected to be delivered, fiscal year | 2022 |
B777F [Member] |  |
Other Aircraft Commitments Disclosure [Abstract] |  |
Conditional Aircraft Commitments |  | 6

X
- Definition Aircraft expected to be delivered fiscal year. + References No definition available. + Details
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X
- Definition Number of additional aircraft options exercised to purchase. + References No definition available. + Details
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- Definition Number of conditional aircraft commitments. + References No definition available. + Details
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- Details
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Namespace Prefix: |
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X
- Details
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