Shareholder Report, Average Annual Return (Details) 190906_Boston Partners Global Equity Fund_R6 Share Class_TSR Annual {R6 Share Class} |
2 Months Ended | 12 Months Ended |
|---|---|---|
Aug. 31, 2026 |
Aug. 31, 2026 |
|
| R6 Share Class | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | R6 Share Class | |
| Average Annual Return, Percent | 4.36% | |
| MSCI THE WORLD INDEX Gross (USD) [Member] | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | MSCI THE WORLD INDEX Gross (USD) | |
| Average Annual Return, Percent | 2.29% | |
| MSCI THE WORLD INDEX Net (USD) [Member] | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | MSCI THE WORLD INDEX Net (USD) | |
| Average Annual Return, Percent | 2.25% | |
| MSCI World Value Net Total Return Index [Member] | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | MSCI World Value Net Total Return Index | |
| Average Annual Return, Percent | 4.68% |