v3.26.3
Shareholder Report, Holdings (Details)
Jul. 31, 2026
C000009519 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
C000009519 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.88%
C000009519 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.69%
C000009519 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.40%
C000009519 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 27.07%
C000009520 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
C000009520 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.88%
C000009520 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.69%
C000009520 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.40%
C000009520 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 27.07%
C000009518 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
C000009518 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.88%
C000009518 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.69%
C000009518 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.40%
C000009518 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 27.07%
C000009516 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
C000009516 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.88%
C000009516 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.69%
C000009516 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.40%
C000009516 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 27.07%