v3.25.3
Shareholder Report, Average Annual Return (Details)
 12 Months Ended 51 Months Ended 60 Months Ended 71 Months Ended
Aug. 31, 2025
Aug. 31, 2025
Aug. 31, 2025
Aug. 31, 2025
C000214506 [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Institutional Shares      
Average Annual Return, Percent [1] 7.25%   3.98% 4.41%
C000214509 [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Class R6 Shares      
Average Annual Return, Percent [2] 7.29% 4.45% 4.02%  
Bloomberg Global Aggregate Index [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Bloomberg Global Aggregate Index      
Average Annual Return, Percent 3.47% (0.43%) (1.76%) (0.43%)
ICE BofA Global High Yield Constrained USD Hedged Index [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name ICE BofA Global High Yield Constrained USD Hedged Index      
Average Annual Return, Percent 8.55% 4.68% 4.79% 4.68%
Lipper Global High Yield Funds [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Lipper Global High Yield Funds      
Average Annual Return, Percent 7.69% 4.22% 4.71% 4.22%
[1] Commenced operations on September 26, 2019.
[2] The Fund’s Class R6 Shares commenced operations on June 11, 2021. For the periods prior to the commencement of operations of the Fund’s Class R6 Shares, the performance information shown is for the Fund’s Institutional Shares, which commenced operations on September 26, 2019. The performance of the Institutional Shares has not been adjusted to reflect the expenses of the Class R6 Shares, since the Class R6 Shares have a lower expense ratio than the Institutional Shares.