Shareholder Report, Line Graph (Details) - USD ($) |
11 Months Ended | 12 Months Ended | 23 Months Ended | 35 Months Ended | 47 Months Ended | 59 Months Ended | 71 Months Ended | 83 Months Ended | |
|---|---|---|---|---|---|---|---|---|---|
Sep. 26, 2019 |
Aug. 31, 2020 |
Aug. 31, 2026 |
Aug. 31, 2021 |
Aug. 31, 2022 |
Aug. 31, 2023 |
Aug. 31, 2024 |
Aug. 31, 2025 |
Aug. 31, 2026 |
|
| C000214509 [Member] | |||||||||
| Account Value [Line Items] | |||||||||
| Line Graph and Table Measure Name | Class R6 Shares | ||||||||
| Accumulated Value | $ 10,000 | $ 10,629 | $ 11,496 | $ 9,930 | $ 10,686 | $ 12,066 | $ 12,945 | $ 13,535 | |
| C000214506 [Member] | |||||||||
| Account Value [Line Items] | |||||||||
| Line Graph and Table Measure Name | Institutional Shares | ||||||||
| Accumulated Value | 10,000 | 10,629 | 11,497 | 9,932 | 10,671 | 12,044 | 12,917 | 13,500 | |
| Lipper Global High Yield Funds Average [Member] | |||||||||
| Account Value [Line Items] | |||||||||
| Line Graph and Table Measure Name | Lipper Global High Yield Funds Average | ||||||||
| Accumulated Value | 10,000 | 10,171.77 | 11,134.06013 | 9,818.582059 | 10,492.57862 | 11,732.46566 | 12,633.74193 | 13,162.3377 | |
| ICE BofA Global High Yield Constrained USD Hedged Index [Member] | |||||||||
| Account Value [Line Items] | |||||||||
| Line Graph and Table Measure Name | ICE BofA Global High Yield Constrained USD Hedged Index | ||||||||
| Accumulated Value | 10,000 | 10,381.757 | 11,370.01514 | 9,924.466659 | 10,657.06399 | 12,084.39548 | 13,117.43728 | 13,793.09942 | |
| Bloomberg Global Aggregate Index [Member] | |||||||||
| Account Value [Line Items] | |||||||||
| Line Graph and Table Measure Name | Bloomberg Global Aggregate Index | ||||||||
| Accumulated Value | $ 10,000 | $ 10,653.547 | $ 10,708.84317 | $ 8,822.859539 | $ 8,814.626929 | $ 9,422.714545 | $ 9,749.722315 | $ 9,807.813111 |