v3.20.2
Commitments - Additional Information (Details)
$ in Millions
 3 Months Ended 12 Months Ended
Jun. 25, 2020
air-craft
May 31, 2020
USD ($)
air-craft
May 31, 2020
USD ($)
air-craft
Other Aircraft Commitments Disclosure [Abstract]      
Deposit and Progress Payments | $   $ 633 $ 633
B767F [Member]      
Other Aircraft Commitments Disclosure [Abstract]      
Conditional Aircraft Commitments     1
Number of additional aircraft agreed to purchase options exercised   6 6
Aircraft expected to be delivered, fiscal year     2022
B767F [Member] | Subsequent Event [Member]      
Other Aircraft Commitments Disclosure [Abstract]      
Number of aircrafts rescheduled delivery, 2021 18    
Number of aircrafts rescheduled delivery, 2022 11    
Number of aircrafts rescheduled delivery, 2023 13    
Number of aircrafts rescheduled delivery, 2024 4    
B777F [Member]      
Other Aircraft Commitments Disclosure [Abstract]      
Conditional Aircraft Commitments     6
B777F Aircraft from 2023 to 2022 [Member]      
Other Aircraft Commitments Disclosure [Abstract]      
Number of aircrafts rescheduled delivery   2 2
Aircraft expected to be delivered, earliest fiscal year     2022
Aircraft expected to be delivered, latest fiscal year     2023
B767F Aircraft from 2022 to 2023 [Member]      
Other Aircraft Commitments Disclosure [Abstract]      
Number of aircrafts rescheduled delivery   2 2
Aircraft expected to be delivered, earliest fiscal year     2022
Aircraft expected to be delivered, latest fiscal year     2023
B767F Aircraft from 2020 to 2021 [Member]      
Other Aircraft Commitments Disclosure [Abstract]      
Number of aircrafts rescheduled delivery   4 4
Aircraft expected to be delivered, earliest fiscal year   2020  
Aircraft expected to be delivered, latest fiscal year   2021  
B767F Aircraft from 2021 to 2022 [Member]      
Other Aircraft Commitments Disclosure [Abstract]      
Number of aircrafts rescheduled delivery   2 2
Aircraft expected to be delivered, earliest fiscal year   2021  
Aircraft expected to be delivered, latest fiscal year   2022  
Cessna Sky Courier 408 Aircraft [Member]      
Other Aircraft Commitments Disclosure [Abstract]      
Aircraft expected to be delivered, earliest fiscal year   2021  
Aircraft expected to be delivered, latest fiscal year   2026  
ATR 72-600F [Member]      
Other Aircraft Commitments Disclosure [Abstract]      
Aircraft expected to be delivered, earliest fiscal year   2021  
Aircraft expected to be delivered, latest fiscal year   2026