International Growth Fund Investment Strategy - International Growth Fund	May 31, 2026
Prospectus [Line Items]
Strategy [Heading]	<span style="color:#000000;font-family:Arial;font-size:12pt;font-weight:bold;">Principal Investment Strategies of the Fund</span>
Strategy Narrative [Text Block]	The Fund’s subadviser uses a proprietary investment strategy to invest in companies that it believes will increase in value over time. The Fund attempts to achieve its investment objective by investing, under normal circumstances, at least 80% of its net assets in securities of growth companies.For purposes of the Fund’s 80% investment policy, a company is considered to be a growth company if it: (i) issues securities that are represented in a third-party growth-style index or that are classified as a growth company by a third-party vendor; or (ii) meets a relevant equity market measurement in at least one “growth metric” similar to those commonly used by third-party index providers or third-party vendors in growth classifications, such as earnings growth, price-to-earnings or sales growth, among others.Under normal market conditions, the subadviser seeks to achieve the Fund’s objective by investing primarily in established growth companies on an international basis, with capitalizations within the range of companies included in the MSCI ACWI ex USA Index. As of August 31, 2026, the market capitalization range of the companies in the MSCI ACWI ex USA Index was approximately $0.00 million to $1.867 trillion. The subadviser emphasizes a bottom-up stock selection process, seeking attractive investments on an individual company basis. In selecting securities for investment, the subadviser seeks high-quality, established companies that the subadviser believes have attractive valuations at the time of purchase relative to their growth potential. The subadviser typically favors companies it believes have sustainable competitive advantages that can be monetized through growth. The investment process integrates analysis of sustainability with respect to disruptive change, financial strength, environmental and social externalities and governance (also referred to as ESG). The subadviser generally considers selling a portfolio holding when it determines that the holding no longer satisfies its investment criteria because the quality of the company’s business deteriorates or the price relative to the company’s intrinsic value is no longer attractive. The subadviser views incorporating ESG-related potential risks and opportunities within the investment process as important to ensure long-term stewardship of capital. Over extended time horizons, the subadviser believes that ESG risks are more likely to materialize and externalities not borne by the company are more likely to be priced into the value of securities. Since ESG risks could potentially impact the risk and reward profile of investment opportunities, the subadviser typically engages company management in constructive discussions on a range of ESG issues the subadviser deems materially important. The Fund may invest in foreign securities, which may include emerging market securities. Under normal circumstances, the Fund invests at least 40% of its net assets in the securities of issuers from at least three countries outside of the United States. The Fund considers an issuer to be from a particular country (including the United States) or geographic region if: (i) its principal securities trading market is in that country or geographic region; (ii) alone or on a consolidated basis it derives 50% or more of its annual revenue or profits from goods produced, sales made or services performed in that country or geographic region or has at least 50% of its assets in that country or geographic region; or (iii) it is organized under the laws of, or has a principal office in, that country or geographic region. The Fund may invest up to 35% of its total assets (excluding cash) in securities of issuers located in emerging market countries. For purposes of maintaining exposure of at least 40% of the Fund’s assets to equity securities of issuers located or operating outside the United States, the Fund may also invest in American Depositary Receipts (“ADRs”), Global Depositary Receipts (“GDRs”) and other types of depositary receipts with respect to issuers located or operating outside the United States. The equity securities in which the Fund invests are denominated in both U.S. and non-U.S. currencies and include common stock. From time to time, the Fund may have significant investments in particular sectors, including the information technology sector. In order to generate additional income, the Fund may lend portfolio securities to broker-dealers and other financial institutions provided that the value of the loaned securities does not exceed 30% of the Fund’s total assets. These loans earn income for the Fund and are collateralized by cash and securities issued or guaranteed by the U.S. Government or its agencies or instrumentalities.

International Growth Fund Investment Strategy - International Growth Fund

May 31, 2026

<span style="color:#000000;font-family:Arial;font-size:12pt;font-weight:bold;">Principal Investment Strategies of the Fund</span>

Strategy Narrative [Text Block]

The Fund’s subadviser uses a proprietary investment strategy to invest in companies that it believes will increase in value over time. The Fund attempts to achieve its investment objective by investing, under normal circumstances, at least 80% of its net assets in securities of growth companies.For purposes of the Fund’s 80% investment policy, a company is considered to be a growth company if it: (i) issues securities that are represented in a third-party growth-style index or that are classified as a growth company by a third-party vendor; or (ii) meets a relevant equity market measurement in at least one “growth metric” similar to those commonly used by third-party index providers or third-party vendors in growth classifications, such as earnings growth, price-to-earnings or sales growth, among others.Under normal market conditions, the subadviser seeks to achieve the Fund’s objective by investing primarily in established growth companies on an international basis, with capitalizations within the range of companies included in the MSCI ACWI ex USA Index. As of August 31, 2026, the market capitalization range of the companies in the MSCI ACWI ex USA Index was approximately $0.00 million to $1.867 trillion. The subadviser emphasizes a bottom-up stock selection process, seeking attractive investments on an individual company basis. In selecting securities for investment, the subadviser seeks high-quality, established companies that the subadviser believes have attractive valuations at the time of purchase relative to their growth potential. The subadviser typically favors companies it believes have sustainable competitive advantages that can be monetized through growth. The investment process integrates analysis of sustainability with respect to disruptive change, financial strength, environmental and social externalities and governance (also referred to as ESG). The subadviser generally considers selling a portfolio holding when it determines that the holding no longer satisfies its investment criteria because the quality of the company’s business deteriorates or the price relative to the company’s intrinsic value is no longer attractive. The subadviser views incorporating ESG-related potential risks and opportunities within the investment process as important to ensure long-term stewardship of capital. Over extended time horizons, the subadviser believes that ESG risks are more likely to materialize and externalities not borne by the company are more likely to be priced into the value of securities. Since ESG risks could potentially impact the risk and reward profile of investment opportunities, the subadviser typically engages company management in constructive discussions on a range of ESG issues the subadviser deems materially important. The Fund may invest in foreign securities, which may include emerging market securities. Under normal circumstances, the Fund invests at least 40% of its net assets in the securities of issuers from at least three countries outside of the United States. The Fund considers an issuer to be from a particular country (including the United States) or geographic region if: (i) its principal securities trading market is in that country or geographic region; (ii) alone or on a consolidated basis it derives 50% or more of its annual revenue or profits from goods produced, sales made or services performed in that country or geographic region or has at least 50% of its assets in that country or geographic region; or (iii) it is organized under the laws of, or has a principal office in, that country or geographic region. The Fund may invest up to 35% of its total assets (excluding cash) in securities of issuers located in emerging market countries. For purposes of maintaining exposure of at least 40% of the Fund’s assets to equity securities of issuers located or operating outside the United States, the Fund may also invest in American Depositary Receipts (“ADRs”), Global Depositary Receipts (“GDRs”) and other types of depositary receipts with respect to issuers located or operating outside the United States. The equity securities in which the Fund invests are denominated in both U.S. and non-U.S. currencies and include common stock. From time to time, the Fund may have significant investments in particular sectors, including the information technology sector.
In order to generate additional income, the Fund may lend portfolio securities to broker-dealers and other financial institutions provided that the value of the loaned securities does not exceed 30% of the Fund’s total assets. These loans earn income for the Fund and are collateralized by cash and securities issued or guaranteed by the U.S. Government or its agencies or instrumentalities.