Commitments - Schedule of Aircraft Purchase Commitments (Details) |
12 Months Ended |
|---|---|
|
May 31, 2020
air-craft
| |
| Schedule of Aircraft Commitments [Line Items] | |
| 2021 | 26 |
| 2022 | 39 |
| 2023 | 28 |
| 2024 | 22 |
| 2025 | 20 |
| Thereafter | 6 |
| Total | 141 |
| Cessna SkyCourier 408 [Member] | |
| Schedule of Aircraft Commitments [Line Items] | |
| 2022 | 9 |
| 2023 | 12 |
| 2024 | 12 |
| 2025 | 12 |
| Thereafter | 5 |
| Total | 50 |
| ATR 72-600F [Member] | |
| Schedule of Aircraft Commitments [Line Items] | |
| 2021 | 4 |
| 2022 | 7 |
| 2023 | 6 |
| 2024 | 6 |
| 2025 | 6 |
| Thereafter | 1 |
| Total | 30 |
| B767F [Member] | |
| Schedule of Aircraft Commitments [Line Items] | |
| 2021 | 20 |
| 2022 | 18 |
| 2023 | 8 |
| Total | 46 |
| B777F [Member] | |
| Schedule of Aircraft Commitments [Line Items] | |
| 2021 | 2 |
| 2022 | 5 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 2 |
| Total | 15 |