Commitments - Schedule of Aircraft Purchase Commitments (Details) |
12 Months Ended |
|---|---|
|
May 31, 2019
air-craft
| |
| Schedule of Aircraft Commitments [Line Items] | |
| 2020 | 22 |
| 2021 | 37 |
| 2022 | 33 |
| 2023 | 28 |
| 2024 | 24 |
| Thereafter | 9 |
| Total | 153 |
| Cessna SkyCourier 408 [Member] | |
| Schedule of Aircraft Commitments [Line Items] | |
| 2021 | 12 |
| 2022 | 12 |
| 2023 | 12 |
| 2024 | 14 |
| Total | 50 |
| ATR 72-600F [Member] | |
| Schedule of Aircraft Commitments [Line Items] | |
| 2021 | 5 |
| 2022 | 6 |
| 2023 | 6 |
| 2024 | 6 |
| Thereafter | 7 |
| Total | 30 |
| B767F [Member] | |
| Schedule of Aircraft Commitments [Line Items] | |
| 2020 | 17 |
| 2021 | 18 |
| 2022 | 12 |
| 2023 | 6 |
| Total | 53 |
| B777F [Member] | |
| Schedule of Aircraft Commitments [Line Items] | |
| 2020 | 5 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 4 |
| Thereafter | 2 |
| Total | 20 |