v3.25.2
Shareholder Report, Holdings (Details)
May 31, 2025
C000167848 | MercadoLibre, Inc.FR_58733R102  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000167848 | Meta Platforms, Inc.FR_30303M102  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000167848 | Netflix, Inc.FR_64110L106  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000167848 | Tesla, Inc.FR_88160R101  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000167848 | Amazon.com, Inc.FR_023135106  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000167848 | Alphabet, Inc.FR_02079K305  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000167848 | Shopify, Inc.FR_82509L107  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000167848 | Oracle Corp.FR_68389X105  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000167848 | Visa, Inc.FR_92826C839  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000167848 | Adyen NVFR_BZ1HM4902  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000167848 | Professional Services  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000167848 | Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000167848 | IndustryShort-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000167848 | IndustrySemiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000167848 | IndustryAerospace & Defense  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000167848 | IndustryHotels, Restaurants & Leisure  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000167848 | IndustryIT Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000167848 | IndustryBiotechnology  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000167848 | IndustryAutomobiles  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000167848 | IndustryEntertainment  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000167848 | IndustryPharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000167848 | IndustryFinancial Services  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000167848 | IndustrySoftware  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
C000167848 | IndustryBroadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 13.30%
C000167848 | IndustryInteractive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 15.60%
C000167848 | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000167848 | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000167848 | China  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000167848 | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000167848 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 66.70%
C000167849 | MercadoLibre, Inc.FR_58733R102  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000167849 | Meta Platforms, Inc.FR_30303M102  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000167849 | Netflix, Inc.FR_64110L106  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000167849 | Tesla, Inc.FR_88160R101  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000167849 | Amazon.com, Inc.FR_023135106  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000167849 | Alphabet, Inc.FR_02079K305  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000167849 | Shopify, Inc.FR_82509L107  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000167849 | Oracle Corp.FR_68389X105  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000167849 | Visa, Inc.FR_92826C839  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000167849 | Adyen NVFR_BZ1HM4902  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000167849 | Professional Services  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000167849 | Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000167849 | IndustryShort-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000167849 | IndustrySemiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000167849 | IndustryAerospace & Defense  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000167849 | IndustryHotels, Restaurants & Leisure  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000167849 | IndustryIT Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000167849 | IndustryBiotechnology  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000167849 | IndustryAutomobiles  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000167849 | IndustryEntertainment  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000167849 | IndustryPharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000167849 | IndustryFinancial Services  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000167849 | IndustrySoftware  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
C000167849 | IndustryBroadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 13.30%
C000167849 | IndustryInteractive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 15.60%
C000167849 | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000167849 | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000167849 | China  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000167849 | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000167849 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 66.70%
C000188122 | MercadoLibre, Inc.FR_58733R102  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000188122 | Meta Platforms, Inc.FR_30303M102  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000188122 | Netflix, Inc.FR_64110L106  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000188122 | Tesla, Inc.FR_88160R101  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000188122 | Amazon.com, Inc.FR_023135106  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000188122 | Alphabet, Inc.FR_02079K305  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000188122 | Shopify, Inc.FR_82509L107  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000188122 | Oracle Corp.FR_68389X105  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000188122 | Visa, Inc.FR_92826C839  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000188122 | Adyen NVFR_BZ1HM4902  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000188122 | Professional Services  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000188122 | Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000188122 | IndustryShort-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000188122 | IndustrySemiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000188122 | IndustryAerospace & Defense  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000188122 | IndustryHotels, Restaurants & Leisure  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000188122 | IndustryIT Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000188122 | IndustryBiotechnology  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000188122 | IndustryAutomobiles  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000188122 | IndustryEntertainment  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000188122 | IndustryPharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000188122 | IndustryFinancial Services  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000188122 | IndustrySoftware  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
C000188122 | IndustryBroadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 13.30%
C000188122 | IndustryInteractive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 15.60%
C000188122 | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000188122 | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000188122 | China  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000188122 | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000188122 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 66.70%
C000167850 | MercadoLibre, Inc.FR_58733R102  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000167850 | Meta Platforms, Inc.FR_30303M102  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000167850 | Netflix, Inc.FR_64110L106  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000167850 | Tesla, Inc.FR_88160R101  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000167850 | Amazon.com, Inc.FR_023135106  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000167850 | Alphabet, Inc.FR_02079K305  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000167850 | Shopify, Inc.FR_82509L107  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000167850 | Oracle Corp.FR_68389X105  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000167850 | Visa, Inc.FR_92826C839  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000167850 | Adyen NVFR_BZ1HM4902  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000167850 | Professional Services  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000167850 | Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000167850 | IndustryShort-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000167850 | IndustrySemiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000167850 | IndustryAerospace & Defense  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000167850 | IndustryHotels, Restaurants & Leisure  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000167850 | IndustryIT Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000167850 | IndustryBiotechnology  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000167850 | IndustryAutomobiles  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000167850 | IndustryEntertainment  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000167850 | IndustryPharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000167850 | IndustryFinancial Services  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000167850 | IndustrySoftware  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
C000167850 | IndustryBroadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 13.30%
C000167850 | IndustryInteractive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 15.60%
C000167850 | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000167850 | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000167850 | China  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000167850 | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000167850 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 66.70%
C000105118 | Cash & equivalents  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000105118 | Not rated  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000105118 | CCC  
Holdings [Line Items]  
Percent of Net Asset Value 8.30%
C000105118 | B  
Holdings [Line Items]  
Percent of Net Asset Value 64.70%
C000105118 | BB  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
C000105118 | BBB  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000105118 | Wireless  
Holdings [Line Items]  
Percent of Net Asset Value 25.70%
C000105118 | IndustryShort-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000105118 | IndustryFinancial Other  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000105118 | IndustryIndustrial Other  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000105118 | IndustryTransportation Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000105118 | IndustryBrokerage  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000105118 | IndustryCable Satellite  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000105118 | IndustryBuilding Materials  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000105118 | IndustryMedia Entertainment  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000105118 | IndustryHealthcare  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000105118 | IndustryProperty & Casualty Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
C000105118 | IndustryRetailers  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000105118 | IndustryConsumer Cyclical Services  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000105118 | IndustryTechnology  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
C000105119 | Cash & equivalents  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000105119 | Not rated  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000105119 | CCC  
Holdings [Line Items]  
Percent of Net Asset Value 8.30%
C000105119 | B  
Holdings [Line Items]  
Percent of Net Asset Value 64.70%
C000105119 | BB  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
C000105119 | BBB  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000105119 | Wireless  
Holdings [Line Items]  
Percent of Net Asset Value 25.70%
C000105119 | IndustryShort-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000105119 | IndustryFinancial Other  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000105119 | IndustryIndustrial Other  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000105119 | IndustryTransportation Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000105119 | IndustryBrokerage  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000105119 | IndustryCable Satellite  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000105119 | IndustryBuilding Materials  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000105119 | IndustryMedia Entertainment  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000105119 | IndustryHealthcare  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000105119 | IndustryProperty & Casualty Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
C000105119 | IndustryRetailers  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000105119 | IndustryConsumer Cyclical Services  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000105119 | IndustryTechnology  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
C000188118 | Cash & equivalents  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000188118 | Not rated  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000188118 | CCC  
Holdings [Line Items]  
Percent of Net Asset Value 8.30%
C000188118 | B  
Holdings [Line Items]  
Percent of Net Asset Value 64.70%
C000188118 | BB  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
C000188118 | BBB  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000188118 | Wireless  
Holdings [Line Items]  
Percent of Net Asset Value 25.70%
C000188118 | IndustryShort-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000188118 | IndustryFinancial Other  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000188118 | IndustryIndustrial Other  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000188118 | IndustryTransportation Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000188118 | IndustryBrokerage  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000188118 | IndustryCable Satellite  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000188118 | IndustryBuilding Materials  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000188118 | IndustryMedia Entertainment  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000188118 | IndustryHealthcare  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000188118 | IndustryProperty & Casualty Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
C000188118 | IndustryRetailers  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000188118 | IndustryConsumer Cyclical Services  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000188118 | IndustryTechnology  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
C000105120 | Cash & equivalents  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000105120 | Not rated  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000105120 | CCC  
Holdings [Line Items]  
Percent of Net Asset Value 8.30%
C000105120 | B  
Holdings [Line Items]  
Percent of Net Asset Value 64.70%
C000105120 | BB  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
C000105120 | BBB  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000105120 | Wireless  
Holdings [Line Items]  
Percent of Net Asset Value 25.70%
C000105120 | IndustryShort-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000105120 | IndustryFinancial Other  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000105120 | IndustryIndustrial Other  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000105120 | IndustryTransportation Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000105120 | IndustryBrokerage  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000105120 | IndustryCable Satellite  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000105120 | IndustryBuilding Materials  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000105120 | IndustryMedia Entertainment  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000105120 | IndustryHealthcare  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000105120 | IndustryProperty & Casualty Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
C000105120 | IndustryRetailers  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000105120 | IndustryConsumer Cyclical Services  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000105120 | IndustryTechnology  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
C000115831 | Meta Platforms, Inc.FR_30303M102  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000115831 | Amazon.com, Inc.FR_023135106  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000115831 | Alphabet, Inc.FR_02079K305  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000115831 | Microsoft Corp.FR_594918104  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000115831 | NVIDIA Corp.FR_67066G104  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000115831 | Taiwan Semiconductor Manufacturing Co. Ltd.FR_874039100  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000115831 | Berkshire Hathaway, Inc.FR_084670702  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000115831 | JPMorgan Chase & Co.FR_46625H100  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000115831 | Spotify Technology SAFR_L8681T102  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000115831 | ServiceNow, Inc.FR_81762P102  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000115831 | Communications Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 12.70%
C000115831 | IndustryShort-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000115831 | IndustrySemiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 14.20%
C000115831 | IndustryEntertainment  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000115831 | IndustryPharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000115831 | IndustryFinancial Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000115831 | IndustrySoftware  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000115831 | IndustryBroadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000115831 | IndustryInteractive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000115831 | IndustrySpecialty Retail  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000115831 | IndustryCapital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000115831 | IndustryElectrical Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000115831 | IndustryTrading Companies & Distributors  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000115831 | IndustryChemicals  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000115831 | IndustryFood Products  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000115831 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000115831 | IndustryOil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000115832 | Meta Platforms, Inc.FR_30303M102  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000115832 | Amazon.com, Inc.FR_023135106  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000115832 | Alphabet, Inc.FR_02079K305  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000115832 | Microsoft Corp.FR_594918104  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000115832 | NVIDIA Corp.FR_67066G104  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000115832 | Taiwan Semiconductor Manufacturing Co. Ltd.FR_874039100  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000115832 | Berkshire Hathaway, Inc.FR_084670702  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000115832 | JPMorgan Chase & Co.FR_46625H100  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000115832 | Spotify Technology SAFR_L8681T102  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000115832 | ServiceNow, Inc.FR_81762P102  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000115832 | Communications Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 12.70%
C000115832 | IndustryShort-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000115832 | IndustrySemiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 14.20%
C000115832 | IndustryEntertainment  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000115832 | IndustryPharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000115832 | IndustryFinancial Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000115832 | IndustrySoftware  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000115832 | IndustryBroadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000115832 | IndustryInteractive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000115832 | IndustrySpecialty Retail  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000115832 | IndustryCapital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000115832 | IndustryElectrical Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000115832 | IndustryTrading Companies & Distributors  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000115832 | IndustryChemicals  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000115832 | IndustryFood Products  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000115832 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000115832 | IndustryOil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000188120 | Meta Platforms, Inc.FR_30303M102  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000188120 | Amazon.com, Inc.FR_023135106  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000188120 | Alphabet, Inc.FR_02079K305  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000188120 | Microsoft Corp.FR_594918104  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000188120 | NVIDIA Corp.FR_67066G104  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000188120 | Taiwan Semiconductor Manufacturing Co. Ltd.FR_874039100  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000188120 | Berkshire Hathaway, Inc.FR_084670702  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000188120 | JPMorgan Chase & Co.FR_46625H100  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000188120 | Spotify Technology SAFR_L8681T102  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000188120 | ServiceNow, Inc.FR_81762P102  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000188120 | Communications Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 12.70%
C000188120 | IndustryShort-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000188120 | IndustrySemiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 14.20%
C000188120 | IndustryEntertainment  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000188120 | IndustryPharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000188120 | IndustryFinancial Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000188120 | IndustrySoftware  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000188120 | IndustryBroadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000188120 | IndustryInteractive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000188120 | IndustrySpecialty Retail  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000188120 | IndustryCapital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000188120 | IndustryElectrical Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000188120 | IndustryTrading Companies & Distributors  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000188120 | IndustryChemicals  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000188120 | IndustryFood Products  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000188120 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000188120 | IndustryOil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000115833 | Meta Platforms, Inc.FR_30303M102  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000115833 | Amazon.com, Inc.FR_023135106  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000115833 | Alphabet, Inc.FR_02079K305  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000115833 | Microsoft Corp.FR_594918104  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000115833 | NVIDIA Corp.FR_67066G104  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000115833 | Taiwan Semiconductor Manufacturing Co. Ltd.FR_874039100  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000115833 | Berkshire Hathaway, Inc.FR_084670702  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000115833 | JPMorgan Chase & Co.FR_46625H100  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000115833 | Spotify Technology SAFR_L8681T102  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000115833 | ServiceNow, Inc.FR_81762P102  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000115833 | Communications Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 12.70%
C000115833 | IndustryShort-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000115833 | IndustrySemiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 14.20%
C000115833 | IndustryEntertainment  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000115833 | IndustryPharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000115833 | IndustryFinancial Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000115833 | IndustrySoftware  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000115833 | IndustryBroadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000115833 | IndustryInteractive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000115833 | IndustrySpecialty Retail  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000115833 | IndustryCapital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000115833 | IndustryElectrical Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000115833 | IndustryTrading Companies & Distributors  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000115833 | IndustryChemicals  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000115833 | IndustryFood Products  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000115833 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000115833 | IndustryOil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%