Shareholder Report, Line Graph (Details) 190906_Boston Partners Global Equity Fund_Institutional Class_TSR Annual {Institutional Class} - USD ($) |
12 Months Ended | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Aug. 31, 2025 |
Aug. 31, 2024 |
Aug. 31, 2023 |
Aug. 31, 2022 |
Aug. 31, 2021 |
Aug. 31, 2020 |
Aug. 31, 2019 |
Aug. 31, 2018 |
Aug. 31, 2017 |
Aug. 31, 2016 |
Aug. 31, 2026 |
|
| Institutional Class | |||||||||||
| Account Value [Line Items] | |||||||||||
| Accumulated Value | $ 235,452 | $ 200,410 | $ 164,037 | $ 142,289 | $ 155,121 | $ 111,068 | $ 114,981 | $ 124,865 | $ 113,586 | $ 100,000 | $ 290,378 |
| MSCI THE WORLD INDEX Gross (USD) [Member] | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | MSCI THE WORLD INDEX Gross (USD) | ||||||||||
| Accumulated Value | 295,225 | 254,129 | 203,298 | 174,943 | 205,019 | 157,303 | 133,981 | 132,867 | 116,842 | 100,000 | $ 356,733 |
| MSCI THE WORLD INDEX Net (USD) [Member] | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | MSCI THE WORLD INDEX Net (USD) | ||||||||||
| Accumulated Value | 282,166 | 243,927 | 196,027 | 169,568 | 199,668 | 153,870 | 131,754 | 131,411 | 116,186 | 100,000 | $ 339,652 |
| MSCI World Value Net Total Return Index [Member] | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | MSCI World Value Net Total Return Index | ||||||||||
| Accumulated Value | $ 216,444 | $ 193,365 | $ 159,110 | $ 144,331 | $ 155,946 | $ 118,674 | $ 120,600 | $ 123,325 | $ 114,944 | $ 100,000 | $ 267,120 |