v3.25.1
Expense Example
Apr. 30, 2025
USD ($)
GABELLI GLOBAL CONTENT & CONNECTIVITY FUND | GABELLI GLOBAL CONTENT & CONNECTIVITY FUND CLASS AAA  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 92
Expense Example, with Redemption, 3 Years 464
Expense Example, with Redemption, 5 Years 861
Expense Example, with Redemption, 10 Years 1,972
GABELLI GLOBAL CONTENT & CONNECTIVITY FUND | GABELLI GLOBAL CONTENT & CONNECTIVITY FUND CLASS A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 662
Expense Example, with Redemption, 3 Years 1,013
Expense Example, with Redemption, 5 Years 1,387
Expense Example, with Redemption, 10 Years 2,434
GABELLI GLOBAL CONTENT & CONNECTIVITY FUND | GABELLI GLOBAL CONTENT & CONNECTIVITY FUND CLASS I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 92
Expense Example, with Redemption, 3 Years 411
Expense Example, with Redemption, 5 Years 753
Expense Example, with Redemption, 10 Years 1,719
The Gabelli Global Growth Fund | The Gabelli Global Growth Fund CLASS AAA  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 92
Expense Example, with Redemption, 3 Years 411
Expense Example, with Redemption, 5 Years 753
Expense Example, with Redemption, 10 Years 1,719
The Gabelli Global Growth Fund | The Gabelli Global Growth Fund CLASS A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 662
Expense Example, with Redemption, 3 Years 963
Expense Example, with Redemption, 5 Years 1,285
Expense Example, with Redemption, 10 Years 2,196
The Gabelli Global Growth Fund | The Gabelli Global Growth Fund CLASS I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 92
Expense Example, with Redemption, 3 Years 357
Expense Example, with Redemption, 5 Years 643
Expense Example, with Redemption, 10 Years 1,458
GABELLI INTERNATIONAL SMALL CAP FUND | GABELLI INTERNATIONAL SMALL CAP FUND CLASS AAA  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 94
Expense Example, with Redemption, 3 Years 1,005
Expense Example, with Redemption, 5 Years 1,928
Expense Example, with Redemption, 10 Years 4,288
GABELLI INTERNATIONAL SMALL CAP FUND | GABELLI INTERNATIONAL SMALL CAP FUND CLASS A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 663
Expense Example, with Redemption, 3 Years 1,522
Expense Example, with Redemption, 5 Years 2,393
Expense Example, with Redemption, 10 Years 4,618
GABELLI INTERNATIONAL SMALL CAP FUND | GABELLI INTERNATIONAL SMALL CAP FUND CLASS I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 94
Expense Example, with Redemption, 3 Years 956
Expense Example, with Redemption, 5 Years 1,832
Expense Example, with Redemption, 10 Years 4,093
The Gabelli Global Rising Income and Dividend Fund | The Gabelli Global Rising Income and Dividend Fund CLASS AAA  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 92
Expense Example, with Redemption, 3 Years 438
Expense Example, with Redemption, 5 Years 808
Expense Example, with Redemption, 10 Years 1,850
The Gabelli Global Rising Income and Dividend Fund | The Gabelli Global Rising Income and Dividend Fund CLASS A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 662
Expense Example, with Redemption, 3 Years 989
Expense Example, with Redemption, 5 Years 1,339
Expense Example, with Redemption, 10 Years 2,322
The Gabelli Global Rising Income and Dividend Fund | The Gabelli Global Rising Income and Dividend Fund CLASS I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 92
Expense Example, with Redemption, 3 Years 385
Expense Example, with Redemption, 5 Years 700
Expense Example, with Redemption, 10 Years 1,594
Gabelli Global Mini Mites Fund | Gabelli Global Mini Mites Fund CLASS AAA  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 93
Expense Example, with Redemption, 3 Years 654
Expense Example, with Redemption, 5 Years 1,241
Expense Example, with Redemption, 10 Years 2,835
Gabelli Global Mini Mites Fund | Gabelli Global Mini Mites Fund CLASS A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 663
Expense Example, with Redemption, 3 Years 1,191
Expense Example, with Redemption, 5 Years 1,745
Expense Example, with Redemption, 10 Years 3,249
Gabelli Global Mini Mites Fund | Gabelli Global Mini Mites Fund CLASS I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 93
Expense Example, with Redemption, 3 Years 602
Expense Example, with Redemption, 5 Years 1,137
Expense Example, with Redemption, 10 Years $ 2,604