Shareholder Report, Holdings (Details)	Mar. 31, 2025
C000107855 [Member] \| NVIDIA Corp [Member]
Holdings [Line Items]
Percent of Net Asset Value	10.70%
C000107855 [Member] \| Microsoft Corp [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.30%
C000107855 [Member] \| Apple Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.30%
C000107855 [Member] \| Amazon com Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.10%
C000107855 [Member] \| Alphabet Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	6.20%
C000107855 [Member] \| Mastercard Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.70%
C000107855 [Member] \| Broadcom Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.70%
C000107855 [Member] \| Eli Lilly And Company [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.60%
C000107855 [Member] \| Meta Platforms Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.60%
C000107855 [Member] \| Netflix Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.50%
C000107855 [Member] \| Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	38.30%
C000107855 [Member] \| Communications Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	14.60%
C000107855 [Member] \| Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	14.50%
C000107855 [Member] \| Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	11.60%
C000107855 [Member] \| Healthcare Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.90%
C000107855 [Member] \| Consumer Staples Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	4.20%
C000107855 [Member] \| Energy Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.30%
C000107855 [Member] \| Real Estate Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.00%
C000107855 [Member] \| Industrial Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.80%
C000107855 [Member] \| Short term investments and other [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.80%
C000145658 [Member] \| NVIDIA Corp [Member]
Holdings [Line Items]
Percent of Net Asset Value	10.70%
C000145658 [Member] \| Microsoft Corp [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.30%
C000145658 [Member] \| Apple Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.30%
C000145658 [Member] \| Amazon com Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.10%
C000145658 [Member] \| Alphabet Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	6.20%
C000145658 [Member] \| Mastercard Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.70%
C000145658 [Member] \| Broadcom Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.70%
C000145658 [Member] \| Eli Lilly And Company [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.60%
C000145658 [Member] \| Meta Platforms Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.60%
C000145658 [Member] \| Netflix Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.50%
C000145658 [Member] \| Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	38.30%
C000145658 [Member] \| Communications Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	14.60%
C000145658 [Member] \| Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	14.50%
C000145658 [Member] \| Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	11.60%
C000145658 [Member] \| Healthcare Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.90%
C000145658 [Member] \| Consumer Staples Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	4.20%
C000145658 [Member] \| Energy Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.30%
C000145658 [Member] \| Real Estate Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.00%
C000145658 [Member] \| Industrial Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.80%
C000145658 [Member] \| Short term investments and other [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.80%
C000107856 [Member] \| NVIDIA Corp [Member]
Holdings [Line Items]
Percent of Net Asset Value	10.70%
C000107856 [Member] \| Microsoft Corp [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.30%
C000107856 [Member] \| Apple Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.30%
C000107856 [Member] \| Amazon com Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.10%
C000107856 [Member] \| Alphabet Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	6.20%
C000107856 [Member] \| Mastercard Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.70%
C000107856 [Member] \| Broadcom Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.70%
C000107856 [Member] \| Eli Lilly And Company [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.60%
C000107856 [Member] \| Meta Platforms Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.60%
C000107856 [Member] \| Netflix Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.50%
C000107856 [Member] \| Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	38.30%
C000107856 [Member] \| Communications Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	14.60%
C000107856 [Member] \| Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	14.50%
C000107856 [Member] \| Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	11.60%
C000107856 [Member] \| Healthcare Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.90%
C000107856 [Member] \| Consumer Staples Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	4.20%
C000107856 [Member] \| Energy Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.30%
C000107856 [Member] \| Real Estate Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.00%
C000107856 [Member] \| Industrial Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.80%
C000107856 [Member] \| Short term investments and other [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.80%
C000107857 [Member] \| NVIDIA Corp [Member]
Holdings [Line Items]
Percent of Net Asset Value	10.70%
C000107857 [Member] \| Microsoft Corp [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.30%
C000107857 [Member] \| Apple Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.30%
C000107857 [Member] \| Amazon com Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.10%
C000107857 [Member] \| Alphabet Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	6.20%
C000107857 [Member] \| Mastercard Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.70%
C000107857 [Member] \| Broadcom Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.70%
C000107857 [Member] \| Eli Lilly And Company [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.60%
C000107857 [Member] \| Meta Platforms Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.60%
C000107857 [Member] \| Netflix Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.50%
C000107857 [Member] \| Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	38.30%
C000107857 [Member] \| Communications Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	14.60%
C000107857 [Member] \| Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	14.50%
C000107857 [Member] \| Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	11.60%
C000107857 [Member] \| Healthcare Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.90%
C000107857 [Member] \| Consumer Staples Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	4.20%
C000107857 [Member] \| Energy Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.30%
C000107857 [Member] \| Real Estate Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.00%
C000107857 [Member] \| Industrial Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.80%
C000107857 [Member] \| Short term investments and other [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.80%
C000153994 [Member] \| NVIDIA Corp [Member]
Holdings [Line Items]
Percent of Net Asset Value	10.70%
C000153994 [Member] \| Microsoft Corp [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.30%
C000153994 [Member] \| Apple Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.30%
C000153994 [Member] \| Amazon com Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.10%
C000153994 [Member] \| Alphabet Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	6.20%
C000153994 [Member] \| Mastercard Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.70%
C000153994 [Member] \| Broadcom Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.70%
C000153994 [Member] \| Eli Lilly And Company [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.60%
C000153994 [Member] \| Meta Platforms Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.60%
C000153994 [Member] \| Netflix Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.50%
C000153994 [Member] \| Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	38.30%
C000153994 [Member] \| Communications Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	14.60%
C000153994 [Member] \| Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	14.50%
C000153994 [Member] \| Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	11.60%
C000153994 [Member] \| Healthcare Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.90%
C000153994 [Member] \| Consumer Staples Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	4.20%
C000153994 [Member] \| Energy Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.30%
C000153994 [Member] \| Real Estate Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.00%
C000153994 [Member] \| Industrial Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.80%
C000153994 [Member] \| Short term investments and other [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.80%
C000153995 [Member] \| NVIDIA Corp [Member]
Holdings [Line Items]
Percent of Net Asset Value	10.70%
C000153995 [Member] \| Microsoft Corp [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.30%
C000153995 [Member] \| Apple Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.30%
C000153995 [Member] \| Amazon com Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.10%
C000153995 [Member] \| Alphabet Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	6.20%
C000153995 [Member] \| Mastercard Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.70%
C000153995 [Member] \| Broadcom Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.70%
C000153995 [Member] \| Eli Lilly And Company [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.60%
C000153995 [Member] \| Meta Platforms Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.60%
C000153995 [Member] \| Netflix Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.50%
C000153995 [Member] \| Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	38.30%
C000153995 [Member] \| Communications Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	14.60%
C000153995 [Member] \| Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	14.50%
C000153995 [Member] \| Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	11.60%
C000153995 [Member] \| Healthcare Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.90%
C000153995 [Member] \| Consumer Staples Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	4.20%
C000153995 [Member] \| Energy Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.30%
C000153995 [Member] \| Real Estate Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.00%
C000153995 [Member] \| Industrial Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.80%
C000153995 [Member] \| Short term investments and other [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.80%
C000153996 [Member] \| NVIDIA Corp [Member]
Holdings [Line Items]
Percent of Net Asset Value	10.70%
C000153996 [Member] \| Microsoft Corp [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.30%
C000153996 [Member] \| Apple Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.30%
C000153996 [Member] \| Amazon com Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.10%
C000153996 [Member] \| Alphabet Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	6.20%
C000153996 [Member] \| Mastercard Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.70%
C000153996 [Member] \| Broadcom Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.70%
C000153996 [Member] \| Eli Lilly And Company [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.60%
C000153996 [Member] \| Meta Platforms Inc Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.60%
C000153996 [Member] \| Netflix Inc [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.50%
C000153996 [Member] \| Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	38.30%
C000153996 [Member] \| Communications Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	14.60%
C000153996 [Member] \| Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	14.50%
C000153996 [Member] \| Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	11.60%
C000153996 [Member] \| Healthcare Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.90%
C000153996 [Member] \| Consumer Staples Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	4.20%
C000153996 [Member] \| Energy Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.30%
C000153996 [Member] \| Real Estate Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.00%
C000153996 [Member] \| Industrial Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.80%
C000153996 [Member] \| Short term investments and other [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.80%

Shareholder Report, Holdings (Details)

Mar. 31, 2025