Shareholder Report, Holdings (Details) - C000009521 [Member] |
Jul. 31, 2026 |
|---|---|
| Information Technology Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 26.18% |
| Consumer Discretionary Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.45% |
| Communications Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.01% |
| Healthcare Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.20% |
| Financial Services Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 29.38% |