v3.26.3
International Government Bond Fund Investment Objectives and Goals - International Government Bond Fund
May 31, 2026
Prospectus [Line Items]  
Risk/Return [Heading] Fund Summary: International Government Bond Fund
Objective [Heading] <span style="color:#000000;font-family:Arial;font-size:12pt;font-weight:bold;">Investment Objective</span>
Objective, Primary [Text Block] The Fund seeks high current income through investments primarily in investment grade debt securities issued or guaranteed by foreign governments.