Shareholder Report, Average Annual Return (Details) |
12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|
Feb. 28, 2026 |
Feb. 28, 2026 |
Feb. 28, 2026 |
|
| C000098128 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Class A with Maximum Sales Charge | ||
| Average Annual Return, Percent | 4.63% | 8.64% | 15.38% |
| C000098129 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Class C | ||
| Average Annual Return, Percent | 8.77% | 9.00% | 15.31% |
| C000098130 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Class I | ||
| C000098131 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Class A with Maximum Sales Charge | ||
| Average Annual Return, Percent | 9.29% | 8.90% | 10.98% |
| C000098132 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Class C | ||
| Average Annual Return, Percent | 13.45% | 9.26% | 10.90% |
| C000098133 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Class I | ||
| Without Sales Load [Member] | C000098128 | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 10.42% | 9.82% | 16.01% |
| Without Sales Load [Member] | C000098129 | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 9.59% | 9.00% | 15.31% |
| Without Sales Load [Member] | C000098130 | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 10.69% | 10.10% | 16.30% |
| Without Sales Load [Member] | C000098131 | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 15.32% | 10.08% | 11.57% |
| Without Sales Load [Member] | C000098132 | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 14.45% | 9.26% | 10.90% |
| Without Sales Load [Member] | C000098133 | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 15.57% | 10.36% | 11.85% |
| EATON VANCE Index: S&P 500 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index | ||
| Average Annual Return, Percent | 16.99% | 14.18% | 15.49% |
| EATON VANCE Index: S&P 500 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index | ||
| Average Annual Return, Percent | 16.99% | 14.18% | 15.49% |
| EATON VANCE Index: S&P 500 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index | ||
| Average Annual Return, Percent | 16.99% | 14.18% | 15.49% |
| EATON VANCE Index: Russell 3000 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Russell 3000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index | ||
| Average Annual Return, Percent | 17.02% | 12.79% | 15.07% |
| EATON VANCE Index: Russell 3000 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Russell 3000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index | ||
| Average Annual Return, Percent | 17.02% | 12.79% | 15.07% |
| EATON VANCE Index: Russell 3000 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Russell 3000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index | ||
| Average Annual Return, Percent | 17.02% | 12.79% | 15.07% |
| EATON VANCE Index: Russell 1000® Growth Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Russell 1000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Growth Index | ||
| Average Annual Return, Percent | 14.78% | 14.36% | 18.22% |
| EATON VANCE Index: Russell 1000® Growth Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Russell 1000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Growth Index | ||
| Average Annual Return, Percent | 14.78% | 14.36% | 18.22% |
| EATON VANCE Index: Russell 1000® Growth Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Russell 1000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Growth Index | ||
| Average Annual Return, Percent | 14.78% | 14.36% | 18.22% |
| EATON VANCE Index: Russell 1000® Value Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Russell 1000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Value Index | ||
| Average Annual Return, Percent | 18.36% | 11.78% | 11.90% |
| EATON VANCE Index: Russell 1000® Value Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Russell 1000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Value Index | ||
| Average Annual Return, Percent | 18.36% | 11.78% | 11.90% |
| EATON VANCE Index: Russell 1000® Value Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Russell 1000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Value Index | ||
| Average Annual Return, Percent | 18.36% | 11.78% | 11.90% |