Annual Fund Operating Expenses |
Apr. 30, 2026 |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GABELLI GLOBAL CONTENT & CONNECTIVITY FUND | ||||||||||||
| Prospectus [Line Items] | ||||||||||||
| Fee Waiver or Reimbursement over Assets, Date of Termination | April 30, 2027 | |||||||||||
| GABELLI GLOBAL CONTENT & CONNECTIVITY FUND | GABELLI GLOBAL CONTENT & CONNECTIVITY FUND CLASS AAA | ||||||||||||
| Prospectus [Line Items] | ||||||||||||
| Management Fees (as a percentage of Assets) | 1.00% | |||||||||||
| Distribution and Service (12b-1) Fees | 0.25% | |||||||||||
| Other Expenses (as a percentage of Assets): | 0.44% | |||||||||||
| Expenses (as a percentage of Assets) | 1.69% | [1] | ||||||||||
| Fee Waiver or Reimbursement | (0.78%) | [1] | ||||||||||
| Net Expenses (as a percentage of Assets) | 0.91% | |||||||||||
| GABELLI GLOBAL CONTENT & CONNECTIVITY FUND | GABELLI GLOBAL CONTENT & CONNECTIVITY FUND CLASS A | ||||||||||||
| Prospectus [Line Items] | ||||||||||||
| Management Fees (as a percentage of Assets) | 1.00% | |||||||||||
| Distribution and Service (12b-1) Fees | 0.25% | |||||||||||
| Other Expenses (as a percentage of Assets): | 0.44% | |||||||||||
| Expenses (as a percentage of Assets) | 1.69% | [1] | ||||||||||
| Fee Waiver or Reimbursement | (0.78%) | [1] | ||||||||||
| Net Expenses (as a percentage of Assets) | 0.91% | |||||||||||
| GABELLI GLOBAL CONTENT & CONNECTIVITY FUND | GABELLI GLOBAL CONTENT & CONNECTIVITY FUND CLASS I | ||||||||||||
| Prospectus [Line Items] | ||||||||||||
| Management Fees (as a percentage of Assets) | 1.00% | |||||||||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||||||||
| Other Expenses (as a percentage of Assets): | 0.44% | |||||||||||
| Expenses (as a percentage of Assets) | 1.44% | [1] | ||||||||||
| Fee Waiver or Reimbursement | (0.53%) | [1] | ||||||||||
| Net Expenses (as a percentage of Assets) | 0.91% | |||||||||||
| The Gabelli Global Growth Fund | ||||||||||||
| Prospectus [Line Items] | ||||||||||||
| Fee Waiver or Reimbursement over Assets, Date of Termination | April 30, 2027 | |||||||||||
| The Gabelli Global Growth Fund | The Gabelli Global Growth Fund CLASS AAA | ||||||||||||
| Prospectus [Line Items] | ||||||||||||
| Management Fees (as a percentage of Assets) | 1.00% | |||||||||||
| Distribution and Service (12b-1) Fees | 0.25% | |||||||||||
| Other Expenses (as a percentage of Assets): | 0.22% | |||||||||||
| Expenses (as a percentage of Assets) | 1.47% | [2] | ||||||||||
| Fee Waiver or Reimbursement | (0.57%) | [2] | ||||||||||
| Net Expenses (as a percentage of Assets) | 0.90% | |||||||||||
| The Gabelli Global Growth Fund | The Gabelli Global Growth Fund CLASS A | ||||||||||||
| Prospectus [Line Items] | ||||||||||||
| Management Fees (as a percentage of Assets) | 1.00% | |||||||||||
| Distribution and Service (12b-1) Fees | 0.25% | |||||||||||
| Other Expenses (as a percentage of Assets): | 0.22% | |||||||||||
| Expenses (as a percentage of Assets) | 1.47% | [2] | ||||||||||
| Fee Waiver or Reimbursement | (0.57%) | [2] | ||||||||||
| Net Expenses (as a percentage of Assets) | 0.90% | |||||||||||
| The Gabelli Global Growth Fund | The Gabelli Global Growth Fund CLASS I | ||||||||||||
| Prospectus [Line Items] | ||||||||||||
| Management Fees (as a percentage of Assets) | 1.00% | |||||||||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||||||||
| Other Expenses (as a percentage of Assets): | 0.22% | |||||||||||
| Expenses (as a percentage of Assets) | 1.22% | [2] | ||||||||||
| Fee Waiver or Reimbursement | (0.32%) | [2] | ||||||||||
| Net Expenses (as a percentage of Assets) | 0.90% | |||||||||||
| GABELLI INTERNATIONAL SMALL CAP FUND | ||||||||||||
| Prospectus [Line Items] | ||||||||||||
| Fee Waiver or Reimbursement over Assets, Date of Termination | April 30, 2027 | |||||||||||
| GABELLI INTERNATIONAL SMALL CAP FUND | GABELLI INTERNATIONAL SMALL CAP FUND CLASS AAA | ||||||||||||
| Prospectus [Line Items] | ||||||||||||
| Management Fees (as a percentage of Assets) | 1.00% | |||||||||||
| Distribution and Service (12b-1) Fees | 0.25% | |||||||||||
| Other Expenses (as a percentage of Assets): | 2.75% | |||||||||||
| Expenses (as a percentage of Assets) | 4.00% | [3] | ||||||||||
| Fee Waiver or Reimbursement | (3.09%) | [3] | ||||||||||
| Net Expenses (as a percentage of Assets) | 0.91% | |||||||||||
| GABELLI INTERNATIONAL SMALL CAP FUND | GABELLI INTERNATIONAL SMALL CAP FUND CLASS A | ||||||||||||
| Prospectus [Line Items] | ||||||||||||
| Management Fees (as a percentage of Assets) | 1.00% | |||||||||||
| Distribution and Service (12b-1) Fees | 0.25% | |||||||||||
| Other Expenses (as a percentage of Assets): | 2.75% | |||||||||||
| Expenses (as a percentage of Assets) | 4.00% | [3] | ||||||||||
| Fee Waiver or Reimbursement | (3.09%) | [3] | ||||||||||
| Net Expenses (as a percentage of Assets) | 0.91% | |||||||||||
| GABELLI INTERNATIONAL SMALL CAP FUND | GABELLI INTERNATIONAL SMALL CAP FUND CLASS I | ||||||||||||
| Prospectus [Line Items] | ||||||||||||
| Management Fees (as a percentage of Assets) | 1.00% | |||||||||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||||||||
| Other Expenses (as a percentage of Assets): | 2.75% | |||||||||||
| Expenses (as a percentage of Assets) | 3.75% | [3] | ||||||||||
| Fee Waiver or Reimbursement | (2.84%) | [3] | ||||||||||
| Net Expenses (as a percentage of Assets) | 0.91% | |||||||||||
| The Gabelli Global Rising Income and Dividend Fund | ||||||||||||
| Prospectus [Line Items] | ||||||||||||
| Fee Waiver or Reimbursement over Assets, Date of Termination | April 30, 2027 | |||||||||||
| The Gabelli Global Rising Income and Dividend Fund | The Gabelli Global Rising Income and Dividend Fund CLASS AAA | ||||||||||||
| Prospectus [Line Items] | ||||||||||||
| Management Fees (as a percentage of Assets) | 1.00% | |||||||||||
| Distribution and Service (12b-1) Fees | 0.25% | |||||||||||
| Other Expenses (as a percentage of Assets): | 0.35% | |||||||||||
| Expenses (as a percentage of Assets) | 1.60% | [4] | ||||||||||
| Fee Waiver or Reimbursement | (0.70%) | [4] | ||||||||||
| Net Expenses (as a percentage of Assets) | 0.90% | |||||||||||
| The Gabelli Global Rising Income and Dividend Fund | The Gabelli Global Rising Income and Dividend Fund CLASS A | ||||||||||||
| Prospectus [Line Items] | ||||||||||||
| Management Fees (as a percentage of Assets) | 1.00% | |||||||||||
| Distribution and Service (12b-1) Fees | 0.25% | |||||||||||
| Other Expenses (as a percentage of Assets): | 0.35% | |||||||||||
| Expenses (as a percentage of Assets) | 1.60% | [4] | ||||||||||
| Fee Waiver or Reimbursement | (0.70%) | [4] | ||||||||||
| Net Expenses (as a percentage of Assets) | 0.90% | |||||||||||
| The Gabelli Global Rising Income and Dividend Fund | The Gabelli Global Rising Income and Dividend Fund CLASS I | ||||||||||||
| Prospectus [Line Items] | ||||||||||||
| Management Fees (as a percentage of Assets) | 1.00% | |||||||||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||||||||
| Other Expenses (as a percentage of Assets): | 0.35% | |||||||||||
| Expenses (as a percentage of Assets) | 1.35% | [4] | ||||||||||
| Fee Waiver or Reimbursement | (0.45%) | [4] | ||||||||||
| Net Expenses (as a percentage of Assets) | 0.90% | |||||||||||
| Gabelli Global Mini Mites Fund | ||||||||||||
| Prospectus [Line Items] | ||||||||||||
| Fee Waiver or Reimbursement over Assets, Date of Termination | April 30, 2027 | |||||||||||
| Gabelli Global Mini Mites Fund | Gabelli Global Mini Mites Fund CLASS AAA | ||||||||||||
| Prospectus [Line Items] | ||||||||||||
| Management Fees (as a percentage of Assets) | 1.00% | |||||||||||
| Distribution and Service (12b-1) Fees | 0.25% | |||||||||||
| Other Expenses (as a percentage of Assets): | 0.98% | |||||||||||
| Expenses (as a percentage of Assets) | 2.23% | [5] | ||||||||||
| Fee Waiver or Reimbursement | (1.33%) | [5] | ||||||||||
| Net Expenses (as a percentage of Assets) | 0.90% | |||||||||||
| Gabelli Global Mini Mites Fund | Gabelli Global Mini Mites Fund CLASS A | ||||||||||||
| Prospectus [Line Items] | ||||||||||||
| Management Fees (as a percentage of Assets) | 1.00% | |||||||||||
| Distribution and Service (12b-1) Fees | 0.25% | |||||||||||
| Other Expenses (as a percentage of Assets): | 0.98% | |||||||||||
| Expenses (as a percentage of Assets) | 2.23% | [5] | ||||||||||
| Fee Waiver or Reimbursement | (1.33%) | [5] | ||||||||||
| Net Expenses (as a percentage of Assets) | 0.90% | |||||||||||
| Gabelli Global Mini Mites Fund | Gabelli Global Mini Mites Fund CLASS I | ||||||||||||
| Prospectus [Line Items] | ||||||||||||
| Management Fees (as a percentage of Assets) | 1.00% | |||||||||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||||||||
| Other Expenses (as a percentage of Assets): | 0.98% | |||||||||||
| Expenses (as a percentage of Assets) | 1.98% | [5] | ||||||||||
| Fee Waiver or Reimbursement | (1.08%) | [5] | ||||||||||
| Net Expenses (as a percentage of Assets) | 0.90% | |||||||||||
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