v3.26.1
Shareholder Report, Holdings (Details)
May 31, 2026
C000112291 [Member] | Moody s Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000112291 [Member] | Aon PLC [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000112291 [Member] | Amphenol Corp A [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.30%
C000112291 [Member] | Visa Inc A [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000112291 [Member] | Taiwan Semiconductor Manufacturing Co Ltd ADR [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.10%
C000112291 [Member] | Amazon com Inc [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.80%
C000112291 [Member] | Apple Inc [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.30%
C000112291 [Member] | Alphabet Inc A [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.90%
C000112291 [Member] | Microsoft Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.50%
C000112291 [Member] | NVIDIA Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.70%
C000112291 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.00%
C000112291 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000112291 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 40.10%
C000112291 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.40%
C000112291 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.20%
C000112291 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.80%
C000112291 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.30%
C000112291 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.10%
C000112291 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 11.20%
C000112291 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 13.10%
C000112291 [Member] | Equity [Member]  
Holdings [Line Items]  
Percent of Total Investments 99.10%
C000112291 [Member] | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000002025 [Member] | Moody s Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000002025 [Member] | Aon PLC [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000002025 [Member] | Amphenol Corp A [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.30%
C000002025 [Member] | Visa Inc A [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000002025 [Member] | Taiwan Semiconductor Manufacturing Co Ltd ADR [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.10%
C000002025 [Member] | Amazon com Inc [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.80%
C000002025 [Member] | Apple Inc [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.30%
C000002025 [Member] | Alphabet Inc A [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.90%
C000002025 [Member] | Microsoft Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.50%
C000002025 [Member] | NVIDIA Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.70%
C000002025 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.00%
C000002025 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000002025 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 40.10%
C000002025 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.40%
C000002025 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.20%
C000002025 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.80%
C000002025 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.30%
C000002025 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.10%
C000002025 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 11.20%
C000002025 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 13.10%
C000002025 [Member] | Equity [Member]  
Holdings [Line Items]  
Percent of Total Investments 99.10%
C000002025 [Member] | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000002024 [Member] | Moody s Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000002024 [Member] | Aon PLC [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000002024 [Member] | Amphenol Corp A [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.30%
C000002024 [Member] | Visa Inc A [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000002024 [Member] | Taiwan Semiconductor Manufacturing Co Ltd ADR [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.10%
C000002024 [Member] | Amazon com Inc [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.80%
C000002024 [Member] | Apple Inc [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.30%
C000002024 [Member] | Alphabet Inc A [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.90%
C000002024 [Member] | Microsoft Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.50%
C000002024 [Member] | NVIDIA Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.70%
C000002024 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.00%
C000002024 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000002024 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 40.10%
C000002024 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.40%
C000002024 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.20%
C000002024 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.80%
C000002024 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.30%
C000002024 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.10%
C000002024 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 11.20%
C000002024 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 13.10%
C000002024 [Member] | Equity [Member]  
Holdings [Line Items]  
Percent of Total Investments 99.10%
C000002024 [Member] | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000002036 [Member] | Moody s Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000002036 [Member] | Aon PLC [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000002036 [Member] | Amphenol Corp A [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.30%
C000002036 [Member] | Visa Inc A [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000002036 [Member] | Taiwan Semiconductor Manufacturing Co Ltd ADR [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.10%
C000002036 [Member] | Amazon com Inc [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.80%
C000002036 [Member] | Apple Inc [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.30%
C000002036 [Member] | Alphabet Inc A [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.90%
C000002036 [Member] | Microsoft Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.50%
C000002036 [Member] | NVIDIA Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.70%
C000002036 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.00%
C000002036 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000002036 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 40.10%
C000002036 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.40%
C000002036 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.20%
C000002036 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.80%
C000002036 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.30%
C000002036 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.10%
C000002036 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 11.20%
C000002036 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 13.10%
C000002036 [Member] | Equity [Member]  
Holdings [Line Items]  
Percent of Total Investments 99.10%
C000002036 [Member] | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000002034 [Member] | Moody s Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000002034 [Member] | Aon PLC [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000002034 [Member] | Amphenol Corp A [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.30%
C000002034 [Member] | Visa Inc A [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000002034 [Member] | Taiwan Semiconductor Manufacturing Co Ltd ADR [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.10%
C000002034 [Member] | Amazon com Inc [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.80%
C000002034 [Member] | Apple Inc [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.30%
C000002034 [Member] | Alphabet Inc A [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.90%
C000002034 [Member] | Microsoft Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.50%
C000002034 [Member] | NVIDIA Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.70%
C000002034 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.00%
C000002034 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000002034 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 40.10%
C000002034 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.40%
C000002034 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.20%
C000002034 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.80%
C000002034 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.30%
C000002034 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.10%
C000002034 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 11.20%
C000002034 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 13.10%
C000002034 [Member] | Equity [Member]  
Holdings [Line Items]  
Percent of Total Investments 99.10%
C000002034 [Member] | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000002031 [Member] | Moody s Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000002031 [Member] | Aon PLC [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000002031 [Member] | Amphenol Corp A [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.30%
C000002031 [Member] | Visa Inc A [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000002031 [Member] | Taiwan Semiconductor Manufacturing Co Ltd ADR [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.10%
C000002031 [Member] | Amazon com Inc [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.80%
C000002031 [Member] | Apple Inc [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.30%
C000002031 [Member] | Alphabet Inc A [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.90%
C000002031 [Member] | Microsoft Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.50%
C000002031 [Member] | NVIDIA Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.70%
C000002031 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.00%
C000002031 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000002031 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 40.10%
C000002031 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.40%
C000002031 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.20%
C000002031 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.80%
C000002031 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.30%
C000002031 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.10%
C000002031 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 11.20%
C000002031 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 13.10%
C000002031 [Member] | Equity [Member]  
Holdings [Line Items]  
Percent of Total Investments 99.10%
C000002031 [Member] | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000002030 [Member] | Moody s Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000002030 [Member] | Aon PLC [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000002030 [Member] | Amphenol Corp A [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.30%
C000002030 [Member] | Visa Inc A [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000002030 [Member] | Taiwan Semiconductor Manufacturing Co Ltd ADR [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.10%
C000002030 [Member] | Amazon com Inc [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.80%
C000002030 [Member] | Apple Inc [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.30%
C000002030 [Member] | Alphabet Inc A [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.90%
C000002030 [Member] | Microsoft Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.50%
C000002030 [Member] | NVIDIA Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.70%
C000002030 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.00%
C000002030 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000002030 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 40.10%
C000002030 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.40%
C000002030 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.20%
C000002030 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.80%
C000002030 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.30%
C000002030 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.10%
C000002030 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 11.20%
C000002030 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 13.10%
C000002030 [Member] | Equity [Member]  
Holdings [Line Items]  
Percent of Total Investments 99.10%
C000002030 [Member] | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000002029 [Member] | Moody s Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000002029 [Member] | Aon PLC [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000002029 [Member] | Amphenol Corp A [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.30%
C000002029 [Member] | Visa Inc A [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000002029 [Member] | Taiwan Semiconductor Manufacturing Co Ltd ADR [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.10%
C000002029 [Member] | Amazon com Inc [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.80%
C000002029 [Member] | Apple Inc [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.30%
C000002029 [Member] | Alphabet Inc A [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.90%
C000002029 [Member] | Microsoft Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.50%
C000002029 [Member] | NVIDIA Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.70%
C000002029 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.00%
C000002029 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000002029 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 40.10%
C000002029 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.40%
C000002029 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.20%
C000002029 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.80%
C000002029 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.30%
C000002029 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.10%
C000002029 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 11.20%
C000002029 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 13.10%
C000002029 [Member] | Equity [Member]  
Holdings [Line Items]  
Percent of Total Investments 99.10%
C000002029 [Member] | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000002023 [Member] | Moody s Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000002023 [Member] | Aon PLC [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000002023 [Member] | Amphenol Corp A [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.30%
C000002023 [Member] | Visa Inc A [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000002023 [Member] | Taiwan Semiconductor Manufacturing Co Ltd ADR [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.10%
C000002023 [Member] | Amazon com Inc [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.80%
C000002023 [Member] | Apple Inc [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.30%
C000002023 [Member] | Alphabet Inc A [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.90%
C000002023 [Member] | Microsoft Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.50%
C000002023 [Member] | NVIDIA Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.70%
C000002023 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.00%
C000002023 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000002023 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 40.10%
C000002023 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.40%
C000002023 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.20%
C000002023 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.80%
C000002023 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.30%
C000002023 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.10%
C000002023 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 11.20%
C000002023 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 13.10%
C000002023 [Member] | Equity [Member]  
Holdings [Line Items]  
Percent of Total Investments 99.10%
C000002023 [Member] | Money Market Funds [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.90%