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MetWest ESG Securitized Fund  
Risk/Return: rr_RiskReturnAbstract  
Risk/Return [Heading] rr_RiskReturnHeading Metropolitan West ESG Securitized Fund
Objective [Heading] rr_ObjectiveHeading Investment Objective
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock
The ESG Securitized Fund seeks to maximize current income and achieve above average long-term total return.
Expense [Heading] rr_ExpenseHeading Fees and Expenses of the Fund
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock
The table below describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below.
Shareholder Fees Caption [Text] rr_ShareholderFeesCaption Shareholder Fees (Fees paid directly from your investment)
Operating Expenses Caption [Text] rr_OperatingExpensesCaption Annual Fund Operating Expenses (Expenses that you pay each year as a percentage of the value of your investment)
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination July 31, 2023
Portfolio Turnover [Heading] rr_PortfolioTurnoverHeading Portfolio Turnover
Portfolio Turnover [Text Block] rr_PortfolioTurnoverTextBlock
The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund’s performance. During the period from September 30, 2021 (commencement of operations) through March 31, 2022, the Fund’s turnover rate was 276% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 276.00%
Other Expenses, New Fund, Based on Estimates [Text] rr_OtherExpensesNewFundBasedOnEstimates Other expenses are based on estimates for the current fiscal year.
Expense Example [Heading] rr_ExpenseExampleHeading Example
Expense Example Narrative [Text Block] rr_ExpenseExampleNarrativeTextBlock
This example is intended to help you compare the cost of investing in the Fund with the cost of investing in other
mutual funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. The cost for the Fund reflects the net expenses of the Fund that result from the contractual expense limitation in the first year only (through July 31, 2023). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Strategy [Heading] rr_StrategyHeading Principal Investment Strategies
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock
The Fund pursues its objective by investing, under normal circumstances, at least 80% of its net assets in debt securities issued by securitized vehicles and similar instruments that the Adviser believes satisfy one or more of its positive-screening environmental, social and governance (“ESG”) criteria to support sustainable initiatives. A securitized vehicle typically issues debt securities backed by assets it owns such as commercial or residential mortgage loans, as well as other types of loans and assets. The Fund may also invest in other types of real estate related debt, mortgage pass-through securities, as well as floating, variable and fixed-rate securities. The Fund will invest in securities that are issued or guaranteed by the U.S. government or by any of its agencies or instrumentalities and those issued by non-governmental entities, as well as unguaranteed securities issued by private entities. Under normal circumstances, the Fund invests at least 80% of its net assets in securities rated investment grade or unrated securities determined by the Adviser to be of comparable quality. The Fund may also invest up to 20% of its assets in below investment grade bonds (“junk bonds”), which are bonds rated below BBB- by Fitch Ratings, Inc. 
(“Fitch”), below BBB- by S&P Global Ratings (“S&P”) and below Baa3 by Moody’s Investors Service, Inc. (“Moody’s”), or, if unrated, bonds deemed by the Fund’s investment advisor to be of comparable quality. The Fund may invest up to 15% of its total assets (measured at the time of investment) in asset-backed and mortgage-related securities rated below investment grade by Moody’s, S&P or Fitch, or, if unrated, determined by the Adviser to be of comparable quality. 
In determining whether to buy or sell investments, the portfolio management team evaluates each investment idea based on, among other factors, the team’s view of its current income potential, risk level, capital appreciation potential, and how it fits within the Fund’s overall portfolio. The allocation of capital to sectors and securities is driven primarily by the Adviser’s assessment of relative value offered by each sector and security, respectively, with an additional positive ESG screen to determine whether securities meet the portfolio manager’s criteria to support sustainable initiatives. 
In implementing its positive-screening ESG strategy, the Adviser evaluates potential investments based on a number of factors, including, but not limited to: support for affordable housing and community development, especially serving low- and moderate-income individuals and communities; mortgage-backed securities that support energy efficiency and broader “green” initiatives; certain non-mortgage related asset-backed securities, such as collateralized loan obligations with ESG-related exclusionary criteria; and commercial and consumer secured and unsecured debt related to sustainable initiatives, such as solar facilities. Governance review includes, but is not limited to, lending programs, borrower education and disclosure, origination policies, servicing practices, and securitization deal structure. 
In conducting its positive ESG screening process, the Adviser reviews for environmental, social and/or sustainable features related to the underlying security collateral and issuer programs, evidenced by marketing materials, borrower underwriting criteria, loan tapes (electronic files that capture lending product data from a financial firm’s internal systems), additional issuer disclosures and clarification from engagement, as well as third-party reports such as rating agency presales and second-party opinions where applicable. Typically, there is significant disclosure around issuer lending programs that offers insight into the environmental, social and/or sustainable nature of a securitization, such as supporting energy-efficient property improvements (environmental positive) and/or supporting affordable rental housing access and availability (social positive). The Adviser will also engage with issuers to obtain additional materials, clarification, and/or data points to support the viability of 
their lending and securitization programs and/or confirm their compliance with industry standards such as the International Capital Market Association (ICMA) Green, Social and/or Sustainable bond principles. The Adviser will continue to monitor the market for additional information sources as well as issuer best-practices to enhance its diligence and positive screening approach. 
The types of ESG securitized vehicles in which the Fund invests typically include, but are not limited to: (i) agency mortgage-backed securities and private label residential mortgage-backed securities that are collateralized by mortgage loans originated to support energy-efficient home improvements or with a financial inclusion component, focusing on promoting affordability and/or lending to low-to-moderate income individuals and communities; (ii) commercial mortgage-backed securities collateralized by certified energy efficient commercial properties (usually LEED-certified but also including alternative green building certifications such as BREEAM, NABERS, and Energy Star) or by loans focused on promoting affordable rental housing, typically through a landlord commitment and/or requirement to sustain below-market rents in existing or new construction multifamily properties; and (iii) asset-backed securities with an energy efficiency component, such as lower-carbon transportation and green asset transportation. Other securities considered for positive ESG screening include ESG collateralized loan obligations that often also include investment restrictions in certain sectors such as production and/or sale of weapons or tobacco-related products. The investment analysis and liquidity of these securitized vehicles do not differ materially from other forms of asset-backed securities the Adviser would typically consider for its other registered funds, except for the addition of the positive ESG screening process. 
As ESG standards evolve, the Adviser may update the foregoing criteria to more accurately reflect the portfolio management team’s understanding of ESG factors. The 
Adviser may use issuer engagement, as necessary, to determine whether investments support positive and sustainable environmental, social and governance impact. 
The Fund’s investments are not limited to securities labeled “sustainable” or “ESG.” An investment’s satisfaction of the ESG criteria described above is based on the Adviser’s proprietary analysis and not that of a third party. There can be no guarantee that an investment that passes the Adviser’s positive screening process for ESG criteria will actually support sustainable initiatives. The Fund may invest up to 20% of its net assets in securities that the Adviser does not consider to be ESG investments. 
Securities or other instruments may be sold for a number of reasons, including when the portfolio managers believe that (i) another security or instrument may offer a better investment opportunity, (ii) there has been a deterioration in the credit fundamentals of an issuer, (iii) an individual security or instrument has reached its sell target, (iv) the portfolio should be rebalanced for diversification or portfolio weighting purposes, or (v) the security no longer meets the Adviser’s ESG criteria. 
Under normal circumstances, the Fund’s portfolio duration is two to eight years and the Fund’s dollar-weighted average maturity ranges from two to fifteen years. Duration is a measure of the expected life of a fixed income security that is used to determine the sensitivity of a security to changes in interest rates. 
The Fund invests in the U.S. and international securitized markets, including securities denominated in foreign currencies. The Fund has the flexibility to allocate up to 20% of its total assets to securities of foreign issues denominated in U.S. dollars or foreign currencies. The Fund reserves the right to hedge its exposure to foreign currencies to reduce the risk of loss from fluctuations in currency exchange rates, but is under no obligation to do so under any circumstances. Up to 10% of the Fund’s total assets may be invested in emerging markets and instruments that are economically tied to emerging market countries. The Fund considers emerging market countries to include all of the countries in the J.P. Morgan Emerging Market Bond Index (EMBI) Global Diversified, the J.P. Morgan Corporate Emerging Market Bond Index (CEMBI) Broad Diversified, the J.P. Morgan Government Bond Index-Emerging Markets (GBI-EM), the MSCI Emerging Markets Index and the MSCI Frontier Markets Index. Instruments considered to be economically tied to emerging market countries are (i) those that are principally traded in an emerging market country, or (ii) those that are issued by: (a) an issuer organized under the laws of or maintaining a principal place of business in an emerging market country, (b) an issuer that derives or is expected to derive 50% or more of its total revenues, earnings or profits from business activity in an emerging market country, or that maintains or is expected to maintain 50% or more of its employees, assets, investments or operations in an emerging market country, or (c) a governmental or quasi-governmental entity of an emerging market country. The emerging market fixed-income securities in which the Fund may invest are not subject to any minimum credit quality standards, so long as the value of those investments does not cause the Fund to exceed its limits on investments in securities rated below investment grade. 
The Fund may sell securities and other instruments short provided that not more than 331/3% of its net assets is held as collateral for those transactions. Derivatives are used in an effort to hedge investments, for risk management, or to increase income or gains for the Fund. The types of derivatives in which the Fund will principally invest are options, futures, swap agreements and currency forwards, as well as: (i) securitized instruments that isolate specific cash flows, such as Principal only (PO) bonds or Interest only (IO) bonds; (ii) tiered index bonds that reference a series of cash securitizations (such as CMBX, a non-agency securitized index where the underlying assets are commercial mortgage-backed securities), and (iii) TBAs (to-be-announced securities). The Fund may engage in active and frequent trading of portfolio securities to achieve its primary investment strategies. 
Risk [Heading] rr_RiskHeading Principal Risks
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock
Because the Fund holds securities with fluctuating market prices, the value of the Fund’s shares will vary as its portfolio securities increase or decrease in value. Therefore, the value of your investment in the Fund could go down as well as up. You can lose money by investing in the Fund.
The principal risks affecting the Fund that can cause a decline in value are:
  
  New Fund Risk: the risk that a new fund’s performance may not represent how the fund is expected to or may perform in the long term. In addition, new funds have limited operating histories for investors to evaluate and new funds may not attract sufficient assets to achieve investment and trading efficiencies. 
  Debt Securities Risk: the risk that the value of a debt security may increase or decrease as a result of various factors, including changes in interest rates, actual or perceived inability or unwillingness of issuers to make principal or interest payments, market fluctuations and illiquidity in the debt securities market. 
  Market Risk: the risk that returns from the securities in which the Fund invests may underperform returns from the general securities markets or other types of securities. 
  Interest Rate Risk: the risk that debt securities may decline in value because of changes in interest rates. 
  Mortgage-Backed Securities Risk: the risk of investing in mortgage-backed securities, including prepayment risk and extension risk. Mortgage-backed securities react differently to changes in interest rates than other bonds, and some mortgage-backed securities are not backed by the full faith and credit of the U.S. government. 
  Asset-Backed Securities Risk: the risk of investing in asset-backed securities, including the risk of loss as a result of the impairment of the value of the underlying financial assets, prepayment risk and extension risk. Issuers of asset-backed securities may have limited ability to enforce the security interest in the underlying assets, and credit enhancements provided to support the asset-backed securities, if any, may be inadequate to protect investors in the event of default. 
  Prepayment Risk: the risk that in times of declining interest rates, the Fund’s higher yielding securities may be prepaid and the Fund may have to replace them with securities having a lower yield. 
  Extension Risk: the risk that in times of rising interest rates, borrowers may pay off their debt obligations more slowly, causing securities considered short- or intermediate-term to become longer-term securities that fluctuate more widely in response to changes in interest rates than shorter-term securities. 
  ESG Investing Risk: the risk that the Fund’s ESG strategy may select or exclude securities of certain issuers for non-financial reasons, and that the Fund’s performance will differ from funds that do not utilize an ESG investing strategy. For example, the application of this strategy could affect the Fund’s exposure to certain sectors or types of investments, which could negatively impact the Fund’s performance. ESG investing is qualitative and subjective by nature, and there is no guarantee that the criteria used by the Adviser or any judgment exercised by the Adviser will reflect the opinions of any particular investor. Funds with ESG investment strategies are generally suited for long-term rather than short-term investors. 
 
There are no universally agreed upon objective criteria for assessing ESG factors for investments. Rather, these criteria tend to have many subjective characteristics, can be difficult to analyze, and frequently involve a balancing of numerous factors. ESG factors can vary over different periods and can evolve over time. They may also be difficult to apply consistently across different types of investments. For these reasons, ESG standards may be aspirational and tend to be stated broadly and applied flexibly. In addition, investors and others may disagree as to whether a certain investment satisfies ESG standards given the absence of mandated or generally accepted criteria. 
  Below Investment Grade Mortgage-Backed Securities Risk: the Fund’s investments in residential mortgage-backed securities (“RMBS”) and commercial mortgage-backed securities (“CMBS”) that are rated below 
   
investment grade generally carry greater liquidity risk than their investment grade counterparts. Historically, the markets for such below investment grade securities, and for below investment grade asset-backed securities in general, have been characterized at times by less liquidity than the market for analogous investment grade securities, particularly during the financial crisis of 2007 and 2008. 
  Unrated Securities Risk: the risk that unrated securities may be less liquid than comparable rated securities, and the risk that the Adviser may not accurately evaluate the security’s comparative credit rating. 
  Issuer Risk: the risk that the value of a security may decline for reasons directly related to the issuer, such as management performance, financial leverage and reduced demand for the issuer’s goods or services.  
  Credit Risk: the risk that an issuer may default in the payment of principal and/or interest on a security. 
  Inflation Risk: the risk that the value of the Fund’s investments may not keep up with price increases from inflation. 
  Liquidity Risk: the risk that lack of a ready market or restrictions on resale may limit the ability of the Fund to sell a security at an advantageous time or price. In addition, the Fund, by itself or together with other accounts managed by the Adviser, may hold a position in a security that is large relative to the typical trading volume for that security, which can make it difficult for the Fund to dispose of the position at an advantageous time or price. Over recent years, the fixed-income markets have grown more than the ability of dealers to make markets, which can further constrain liquidity and increase the volatility of portfolio valuations. High levels of redemptions in bond funds in response to market conditions could cause greater losses as a result. Regulations such as the Volcker Rule or future regulations may further constrain the ability of market participants to create liquidity, particularly in times of increased market volatility. The liquidity of the Fund’s assets may change over time. 
  Valuation Risk: the risk that the portfolio instruments may be sold at prices different from the values established by the Fund, particularly for investments that trade in low volume, in volatile markets or over the counter or that are fair valued. 
  Price Volatility Risk: the risk that the value of the Fund’s investment portfolio will change as the prices of its investments go up or down. 
 
Futures Contracts Risk: the risk of investing in futures contracts, which includes (1) the imperfect correlation between a futures contract and the change in market value of the 
   
underlying instrument held by the Fund; (2) a high degree of leverage because of the low collateral deposits normally involved in futures trading; (3) possible lack of a liquid secondary market for a futures contract and the resulting inability to close a futures contract when desired; (4) losses caused by unanticipated market movements, which are potentially unlimited; and (5) the inability of the Fund to execute a trade because of the maximum permissible price movements exchanges may impose on futures contracts. 
  Derivatives Risk: the risk of investing in derivative instruments, which includes liquidity, interest rate, market, credit and management risks as well as risks related to mispricing or improper valuation. Changes in the value of a derivative may not correlate perfectly with the underlying asset, reference rate or index, and the Fund could lose more than the principal amount invested. These investments can create investment leverage and may create additional risks that may subject the Fund to greater volatility and less liquidity than investments in more traditional securities. 
  Securities Selection Risk: the risk that the securities held by the Fund may underperform those held by other funds investing in the same asset class or included in benchmarks that are representative of the same asset class because of the portfolio managers’ choice of securities. 
  Frequent Trading Risk: the risk that frequent trading may lead to increased portfolio turnover and higher transaction costs, which may reduce the Fund’s performance and may cause higher levels of current tax liability to shareholders of the Fund. 
  Leverage Risk: the risk that leverage may result from certain transactions, including the use of derivatives and borrowing. This may impair the Fund’s liquidity, cause it to liquidate positions at an unfavorable time, increase its volatility or otherwise cause it not to achieve its intended result. To the extent required by applicable law or regulation, the Fund will reduce leverage risk by either segregating an equal amount of liquid assets or “covering” the transactions that introduce such risk. 
  Swap Agreements Risk: the risk of investing in swaps, which, in addition to risks applicable to derivatives generally, includes: (1) the inability to assign a swap contract without the consent of the counterparty; (2) potential default of the counterparty to a swap for those not traded through a central counterparty; (3) absence of a liquid secondary market for any particular swap at any time; and (4) possible inability of the Fund to close out a swap transaction at a time that otherwise would be favorable for it to do so. 
  Junk Bond Risk: the risk that junk bonds have a higher degree of default risk and may be less liquid and subject to greater price volatility than investment grade bonds. 
  Foreign Investing Risk: the risk that Fund share prices may fluctuate with market conditions, currency exchange rates and the economic and political climates of the foreign countries in which the Fund invests or has exposure. Investments in foreign securities may involve greater risks than investing in U.S. securities due to, among other factors, less publicly available information, less stringent and less uniform accounting, auditing and financial reporting standards, less liquid and more volatile markets, higher transaction and custody costs, additional taxes, less investor protection, delayed or less frequent settlement, political or social instability, civil unrest, acts of terrorism, regional economic volatility, and the imposition of sanctions, confiscations, trade restrictions (including tariffs) and other government restrictions by the United States and/or other governments. In addition, Russia’s recent military incursions in Ukraine have led to, and may lead to additional, sanctions being levied by the United States, European Union and other countries against Russia. Russia’s military incursion and the resulting sanctions could adversely affect global energy and financial markets and thus could affect the value of the Fund’s investments. 
  Distressed and Defaulted Securities Risk: the risk that the repayment of defaulted securities and obligations of distressed issuers is subject to significant uncertainties. 
  Counterparty Risk: the risk that the other party to a contract, such as a derivatives contract, may not fulfill its contractual obligations. 
  Portfolio Management Risk: the risk that an investment strategy may fail to produce the intended results. 
 
Public Health Emergency Risk: the risk that pandemics and other public health emergencies, including outbreaks of infectious diseases such as the current outbreak of the novel coronavirus (“COVID-19”), can result, and in the case of COVID-19 has resulted and may continue to result, in market volatility and disruption, and materially and adversely impact economic conditions in ways that cannot be predicted, all of which could result in substantial investment losses. The ultimate impact of COVID-19, including new variants of the underlying virus, or other health emergencies on global economic conditions and businesses is impossible to predict accurately. Ongoing and potential additional material adverse economic effects of indeterminate duration and severity are possible. The resulting adverse impact on the value of an investment in the Fund could be significant and prolonged. Other public 
   
health emergencies that may arise in the future could have similar or other unforeseen effects. 
  LIBOR Risk: the risk associated with the transition away from LIBOR, which is used extensively in the U.S. and globally as a “benchmark” or “reference rate” for various commercial and financial contracts, including corporate bonds and other fixed income securities. The use of LIBOR began being phased out at the end of 2021; however, the publication of 1-month, 3-month and 6-month USD LIBOR has been extended until June 2023. Although the transition process away from LIBOR has become increasingly well-defined, there remains uncertainty regarding the impact on the Fund of the transition to a new reference rate. 
  U.S. Treasury Obligations Risk: the risk that the value of U.S. Treasury obligations may decline as a result of changes in interest rates, certain political events in the U.S., and strained relations with certain foreign countries. 
  U.S. Government Securities Risk: the risk that debt securities issued or guaranteed by certain U.S. government agencies, instrumentalities, and sponsored enterprises are not supported by the full faith and credit of the U.S. government, and as a result, investments in their securities or obligations issued by such entities involve credit risk greater than investments in other types of U.S. government securities. 
Please see “Principal Risks” and “Other Risks” for a more detailed description of the risks of investing in the Fund. 
Your investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency, entity, or person.
Risk Lose Money [Text] rr_RiskLoseMoney You can lose money by investing in the Fund.
Risk Not Insured Depository Institution [Text] rr_RiskNotInsuredDepositoryInstitution Your investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency, entity, or person.
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading Performance Information
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock
Investment results are not available because the Fund has not been operational for at least one calendar year. Updated performance information for the Fund is available on our website at www.tcw.com or by calling (800) 241-4671.
Performance One Year or Less [Text] rr_PerformanceOneYearOrLess Investment results are not available because the Fund has not been operational for at least one calendar year.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone (800) 241-4671
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.tcw.com
MetWest ESG Securitized Fund | M Class  
Risk/Return: rr_RiskReturnAbstract  
Shareholder Fees (Fees paid directly from your investment) rr_ShareholderFeeOther none
Management Fees rr_ManagementFeesOverAssets 0.40%
Distribution (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Shareholder Servicing Expenses rr_Component1OtherExpensesOverAssets 0.10% [1]
Other Expenses rr_OtherExpensesOverAssets 1.51% [2]
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 2.16%
Fee Waiver and/or Expense Reimbursement rr_FeeWaiverOrReimbursementOverAssets (1.45%) [3]
Total Annual Fund Operating Expenses rr_NetExpensesOverAssets 0.71%
1 Year rr_ExpenseExampleYear01 $ 73
3 Years rr_ExpenseExampleYear03 536
5 Years rr_ExpenseExampleYear05 1,026
10 Years rr_ExpenseExampleYear10 2,378
MetWest ESG Securitized Fund | I Class  
Risk/Return: rr_RiskReturnAbstract  
Shareholder Fees (Fees paid directly from your investment) rr_ShareholderFeeOther none
Management Fees rr_ManagementFeesOverAssets 0.40%
Distribution (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Shareholder Servicing Expenses rr_Component1OtherExpensesOverAssets 0.01% [1]
Other Expenses rr_OtherExpensesOverAssets 1.41% [2]
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.81%
Fee Waiver and/or Expense Reimbursement rr_FeeWaiverOrReimbursementOverAssets (1.31%) [3]
Total Annual Fund Operating Expenses rr_NetExpensesOverAssets 0.50%
1 Year rr_ExpenseExampleYear01 $ 51
3 Years rr_ExpenseExampleYear03 442
5 Years rr_ExpenseExampleYear05 857
10 Years rr_ExpenseExampleYear10 $ 2,018
[1]
The Fund is authorized to compensate broker-dealers and other third-party intermediaries up to 0.10% (10 basis points) of the M Class and I Class assets serviced by that intermediary for shareholder services.
[2]
Other expenses are based on estimates for the current fiscal year.
[3]
Metropolitan West Asset Management, LLC (the “Adviser”) has contractually agreed to reduce advisory fees and/or reimburse expenses, including distribution expenses, to limit the Fund’s total annual operating expenses (excluding interest, taxes, brokerage commissions, short sale dividend expenses, acquired fund fees and expenses, and any expenses incurred in connection with any merger or reorganization or extraordinary expenses such as litigation) to the net expenses shown in the table for the applicable share class. The Adviser may recoup reduced fees and expenses only within three years of the waiver or reimbursement, provided that the recoupment does not cause the Fund’s annual expense ratio to exceed the lesser of (i) the expense limitation applicable at the time of that fee waiver and/or expense reimbursement or (ii) the expense limitation in effect at the time of recoupment. This contract will remain in place until July 31, 2023. Although it does not expect to do so, the Board of Trustees is permitted to terminate that contract sooner in its discretion with written notice to the Adviser.