v3.26.3
Shareholder Report, Line Graph (Details) 198337_SGI U.S. Large Cap Equity Fund_Class A_TSR Annual {Class A} - USD ($)
12 Months Ended
Aug. 31, 2026
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, 2015
Aug. 31, 2026
Class A                          
Account Value [Line Items]                          
Line Graph and Table Measure Name                         Class A (with sales charge)
Accumulated Value $ 27,657 $ 22,961 $ 22,265 $ 17,644 $ 16,693 $ 18,734 $ 15,717 $ 14,316 $ 13,556 $ 10,873 $ 10,116 $ 9,477  
S&P 500 Total Return Index [Member]                          
Account Value [Line Items]                          
Line Graph and Table Measure Name                         S&P 500 Total Return Index
Accumulated Value 44,267 36,773 31,733 24,960 21,528 24,251 18,489 15,162 14,732 12,311 10,592 10,000  
S&P 500 Low Volatility Index Total Return Index [Member]                          
Account Value [Line Items]                          
Line Graph and Table Measure Name                         S&P 500 Low Volatility Index Total Return Index
Accumulated Value $ 25,036 $ 24,034 $ 22,785 $ 19,125 $ 19,234 $ 19,073 $ 15,970 $ 16,120 $ 13,794 $ 12,319 $ 11,086 $ 10,000