v3.26.1
Expense Example - Touchstone Non-US Equity Fund
Mar. 31, 2026
USD ($)
Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 609
Expense Example, with Redemption, 3 Years 841
Expense Example, with Redemption, 5 Years 1,091
Expense Example, with Redemption, 10 Years 1,806
Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 295
Expense Example, with Redemption, 3 Years 668
Expense Example, with Redemption, 5 Years 1,167
Expense Example, with Redemption, 10 Years 2,540
Class Y  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 92
Expense Example, with Redemption, 3 Years 291
Expense Example, with Redemption, 5 Years 507
Expense Example, with Redemption, 10 Years 1,129
Institutional Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 88
Expense Example, with Redemption, 3 Years 278
Expense Example, with Redemption, 5 Years 485
Expense Example, with Redemption, 10 Years 1,082
Class R6  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 77
Expense Example, with Redemption, 3 Years 268
Expense Example, with Redemption, 5 Years 475
Expense Example, with Redemption, 10 Years $ 1,072