COMMITMENTS - Additional Information (Details) $ in Millions	May 31, 2025 USD ($) aircraft
Other Aircraft Commitments Disclosure [Abstract]
Deposits and progress payments \| $	$ 590
B777F
Other Aircraft Commitments Disclosure [Abstract]
Number of aircraft options to purchase exercised	8
Aircraft purchase option exercised with delivery due in first fiscal year	3
Aircraft purchase option exercised with delivery due in second fiscal year	5
ATR 72-600F
Other Aircraft Commitments Disclosure [Abstract]
Number of aircraft options to purchase exercised	10
Aircraft purchase option exercised with delivery due in second fiscal year	3
Aircraft purchase option exercised with delivery due in third fiscal year	4
Aircraft purchase option exercised with delivery due in fourth fiscal year	3

Aircraft Purchase Option Exercised With Delivery Due In First Fiscal Year

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Aircraft Purchase Option Exercised With Delivery Due In Fourth Fiscal Year

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Aircraft Purchase Option Exercised With Delivery Due In Second Fiscal Year

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Aircraft Purchase Option Exercised With Delivery Due In Third Fiscal Year

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Balance of deposits and progress payments on aircraft purchases and other planned aircraft-related transactions.

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Number Of Aircraft Options To Purchase Exercised

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Other aircraft commitments disclosure.

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