Annual Fund Operating Expenses - Eaton Vance Focused Opportunities Funds |
Feb. 28, 2026 |
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| Eaton Vance Focused Growth Opportunities Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Fee Waiver or Reimbursement over Assets, Date of Termination | July 1, 2027 | |||||||||
| Eaton Vance Focused Growth Opportunities Fund | Class A | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Management Fees (as a percentage of Assets) | 0.65% | |||||||||
| Distribution and Service (12b-1) Fees | 0.25% | |||||||||
| Other Expenses (as a percentage of Assets): | 0.24% | |||||||||
| Expenses (as a percentage of Assets) | 1.14% | |||||||||
| Fee Waiver or Reimbursement | (0.09%) | [1] | ||||||||
| Net Expenses (as a percentage of Assets) | 1.05% | |||||||||
| Eaton Vance Focused Growth Opportunities Fund | Class C | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Management Fees (as a percentage of Assets) | 0.65% | |||||||||
| Distribution and Service (12b-1) Fees | 1.00% | |||||||||
| Other Expenses (as a percentage of Assets): | 0.24% | |||||||||
| Expenses (as a percentage of Assets) | 1.89% | |||||||||
| Fee Waiver or Reimbursement | (0.09%) | [1] | ||||||||
| Net Expenses (as a percentage of Assets) | 1.80% | |||||||||
| Eaton Vance Focused Growth Opportunities Fund | Class I | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Management Fees (as a percentage of Assets) | 0.65% | |||||||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||||||
| Other Expenses (as a percentage of Assets): | 0.24% | |||||||||
| Expenses (as a percentage of Assets) | 0.89% | |||||||||
| Fee Waiver or Reimbursement | (0.09%) | [1] | ||||||||
| Net Expenses (as a percentage of Assets) | 0.80% | |||||||||
| Eaton Vance Focused Value Opportunities Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Fee Waiver or Reimbursement over Assets, Date of Termination | July 1, 2027 | |||||||||
| Eaton Vance Focused Value Opportunities Fund | Class A | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Management Fees (as a percentage of Assets) | 0.65% | |||||||||
| Distribution and Service (12b-1) Fees | 0.25% | |||||||||
| Other Expenses (as a percentage of Assets): | 0.17% | |||||||||
| Expenses (as a percentage of Assets) | 1.07% | |||||||||
| Fee Waiver or Reimbursement | (0.08%) | [2] | ||||||||
| Net Expenses (as a percentage of Assets) | 0.99% | |||||||||
| Eaton Vance Focused Value Opportunities Fund | Class C | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Management Fees (as a percentage of Assets) | 0.65% | |||||||||
| Distribution and Service (12b-1) Fees | 1.00% | |||||||||
| Other Expenses (as a percentage of Assets): | 0.17% | |||||||||
| Expenses (as a percentage of Assets) | 1.82% | |||||||||
| Fee Waiver or Reimbursement | (0.08%) | [2] | ||||||||
| Net Expenses (as a percentage of Assets) | 1.74% | |||||||||
| Eaton Vance Focused Value Opportunities Fund | Class I | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Management Fees (as a percentage of Assets) | 0.65% | |||||||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||||||
| Other Expenses (as a percentage of Assets): | 0.17% | |||||||||
| Expenses (as a percentage of Assets) | 0.82% | |||||||||
| Fee Waiver or Reimbursement | (0.08%) | [2] | ||||||||
| Net Expenses (as a percentage of Assets) | 0.74% | |||||||||
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