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Label Element Value
Risk/Return: rr_RiskReturnAbstract  
Registrant Name dei_EntityRegistrantName JPMorgan Trust I
Prospectus Date rr_ProspectusDate Apr. 28, 2015
R2, R5, R6 Shares | JPMorgan Global Unconstrained Equity Fund  
Risk/Return: rr_RiskReturnAbstract  
Risk/Return [Heading] rr_RiskReturnHeading JPMorgan Global Unconstrained Equity Fund

Class/Ticker: R2/*; R5/JFETX; R6/JFEUX

* The share class does not have an exchange ticker symbol because it currently is not offered to the general public.
Objective [Heading] rr_ObjectiveHeading What is the goal of the Fund?
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock The Fund seeks to provide long-term capital appreciation.
Expense [Heading] rr_ExpenseHeading Fees and Expenses of the Fund
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock The following tables describe the fees and expenses that you may pay if you buy and hold shares of the Fund.
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 2/29/16
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 Fund’s most recent fiscal year, the Fund’s portfolio turnover rate was 97% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 97.00%rr_PortfolioTurnoverRate
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Expenses Restated to Reflect Current [Text] rr_ExpensesRestatedToReflectCurrent As of December 1, 2014, the Fund’s advisory fee was reduced; therefore, the Management Fees and Total Annual Fund Operating Expenses have been restated to reflect the current fees.
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. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses are equal to the total annual fund operating expenses after fee waivers and expense reimbursements shown in the table through 2/29/16 and total annual fund operating expenses thereafter. Your actual costs may be higher or lower.
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption WHETHER OR NOT YOU SELL YOUR SHARES, YOUR
COST WOULD BE
Expense Example, No Redemption, By Year, Caption [Text] rr_ExpenseExampleNoRedemptionByYearCaption WHETHER OR NOT YOU SELL YOUR SHARES, YOUR
COST WOULD BE
Strategy [Heading] rr_StrategyHeading What are the Fund’s main investment strategies?
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock The Fund primarily invests in equity securities of global (U.S. and foreign) companies and is generally unconstrained by any particular capitalization, style or sector and may invest in any region or country, including emerging markets. The Fund may at any time focus on companies of any particular capitalization sizes, sectors and/or locations.

Under normal circumstances, the Fund will invest at least 40% of its total assets in countries other than the United States. The investments outside the United States will be invested in issuers located in both developed and emerging markets. Because of the unconstrained nature of the Fund, it may at times have significant exposure in emerging markets or in a particular country.

Under normal circumstances, the Fund invests at least 80% of its Assets in equity and equity-like securities. “Assets” means net assets, plus the amount of borrowings for investment purposes. The equity and equity-like securities in which the Fund may invest include, but are not limited to, common stock, preferred stock, convertible securities, trust or partnership interests, depositary receipts, participation notes and warrants and rights. The Fund may also use exchange-traded futures for the efficient management of cash flows.

Investment Process: In managing the Fund, the adviser selects securities for the Fund’s portfolio, using a bottom-up approach that includes a combination of proprietary investment research and individual security selection. This process generally looks for securities that the adviser believes are attractively valued, possess strong free cash flow and have the potential for continued growth opportunities. Stock ideas are generated by an extensive global network of locally based research analysts and managers and global sector specialists. Based on the input of this network, the adviser then selects its highest conviction securities for inclusion in the Fund. The adviser is largely unrestricted by capitalization, regional and sector limits, allowing it to construct a portfolio that focuses on the most attractive security opportunities regardless of the company’s size, location or its sector orientation.

The Fund may sell securities if the adviser’s conviction in a security changes, if the company’s fundamentals change, or if the adviser believes the security is no longer attractively valued. Investments may also be sold if certain political and economic events occur or if the adviser identifies a security that it believes offers a better investment opportunity.
Risk [Heading] rr_RiskHeading The Fund’s Main Investment Risks
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock The Fund is subject to management risk and may not achieve its objective if the adviser’s expectations regarding particular securities or markets are not met. The adviser has great flexibility in selecting investments because the Fund is unconstrained by capitalization, sector and style. This increased flexibility may present greater investment risk than a fund with more rigid investment restrictions because the success of the adviser’s portfolio selections is dependent upon a greater number of variables.

An investment in this Fund or any other fund may not provide a complete investment program. The suitability of an investment in the Fund should be considered based on investment objective, strategies and risks described in this prospectus, considered in light of all of the other investments in your portfolio, as well as your risk tolerance, financial goals and time horizons. You may want to consult with a financial advisor to determine if this Fund is suitable for you.


Equity Market Risk. The price of equity securities may rise or fall because of changes in the broad market or changes in a company’s financial condition, sometimes rapidly or unpredictably. These price movements may result from factors affecting individual companies, sectors or industries selected for the Fund’s portfolio or the securities market as a whole, such as changes in economic or political conditions. When the value of the Fund’s securities goes down, your investment in the Fund decreases in value.

General Market Risk. Economies and financial markets throughout the world are becoming increasingly interconnected, which increases the likelihood that events or conditions in one country or region will adversely impact markets or issuers in other countries or regions.

Value Investing Risk. An undervalued stock may decrease in price or may not increase in price as anticipated by the adviser if other investors fail to recognize the company’s value or the factors that the adviser believes will cause the stock price to increase do not occur.

Geographic Focus Risk. The Fund may focus its investments in a region or small group of countries. As a result, the Fund’s performance may be subject to greater volatility than a more geographically diversified fund.

Foreign Securities and Emerging Market Risk. Investments in foreign issuers and foreign securities (including depositary receipts) are subject to additional risks, including political and economic risks, civil conflicts and war, greater volatility, expropriation and nationalization risks, sanctions or other measures by the United States or other governments, currency fluctuations, higher transaction costs, delayed settlement, possible foreign controls on investment, and less stringent investor protection and disclosure standards of foreign markets. In certain markets where securities and other instruments are not traded “delivery versus payment,” the Fund may not receive timely payment for securities or other instruments it has delivered or receive delivery of securities paid for and may be subject to increased risk that the counterparty will fail to make payments or delivery when due or default completely. Events and evolving conditions in certain economies or markets may alter the risks associated with investments tied to countries or regions that historically were perceived as comparatively stable becoming riskier and more volatile. These risks are magnified in countries in “emerging markets.” Emerging market countries typically have less-established economies than developed countries and may face greater social, economic, regulatory and political uncertainties. In addition, emerging markets typically present greater illiquidity and price volatility concerns due to smaller or limited local capital markets and greater difficulty in determining market valuations of securities due to limited public information on issuers.

Smaller Cap Company Risk. Because the Fund may invest in equity investments of companies across all market capitalizations, the Fund’s risks increase as it invests more heavily in smaller companies (mid capitalization and small capitalization companies). Smaller companies may be more volatile and more vulnerable to economic, market and industry changes. As a result, share price changes may be more sudden or erratic than the prices of other equity securities, especially over the short-term.

Derivatives Risk. Derivatives, including participation notes and futures, may be riskier than other types of investments because they may be more sensitive to changes in economic or market conditions than other types of investments and could result in losses that significantly exceed the Fund’s original investment. Many derivatives create leverage thereby causing the Fund to be more volatile than it would be if it had not used derivatives. Derivatives also expose the Fund to counterparty risk (the risk that the derivative counterparty will not fulfill its contractual obligations), including credit risk of the derivative counterparty.

Currency Risk. Changes in foreign currency exchange rates will affect the value of the Fund’s securities and the price of the Fund’s shares. Generally, when the value of the U.S. dollar rises in value relative to a foreign currency, an investment in that country loses value because that currency is worth fewer U.S. dollars. Devaluation of a currency by a country’s government or banking authority also may have a significant impact on the value of any investments denominated in that currency. Currency markets generally are not as regulated as securities markets.

Volcker Rule Risk. As of the commencement of the Fund’s operations, the adviser and/or its affiliates owned 25% or more of the Fund’s outstanding ownership interests. Pursuant to section 619 of the Dodd-Frank Wall Street Reform and Consumer Protection Act and certain rules promulgated thereunder known as the Volcker Rule, if the adviser and/or its affiliates own 25% or more of the outstanding ownership interests of the Fund after one year from the implementation of the Fund’s investment strategy (or such longer period as may be permitted by the Federal Reserve), the Fund could be subject to restrictions on trading that would adversely impact the Fund’s ability to execute its investment strategy. As a result, the adviser and/or its affiliates may be required to reduce their ownership interests in the Fund at a time that is sooner than would otherwise be desirable, which may result in the Fund’s liquidation or, if the Fund is able to continue operating, may result in losses, increased transaction costs and adverse tax consequences as a result of the sale of portfolio securities.

Redemption Risk. The Fund could experience a loss when selling securities to meet redemption requests by shareholders. The risk of loss increases if the redemption requests are unusually large or frequent or occur in times of overall market turmoil or declining prices.

Investments in the Fund are not deposits or obligations of, or guaranteed or endorsed by, any bank and are not insured or guaranteed by the FDIC, the Federal Reserve Board or any other government agency.

You could lose money investing in the Fund.

Risk Lose Money [Text] rr_RiskLoseMoney You could lose money investing in the Fund.
Risk Not Insured Depository Institution [Text] rr_RiskNotInsuredDepositoryInstitution Investments in the Fund are not deposits or obligations of, or guaranteed or endorsed by, any bank and are not insured or guaranteed by the FDIC, the Federal Reserve Board or any other government agency.
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading The Fund’s Past Performance
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock This section provides some indication of the risks of investing in the Fund. The bar chart shows how the performance of the Fund’s Class R6 Shares has varied from year to year for the past two calendar years. The table shows the average annual total returns over the past one year and the life of the Fund. It compares that performance to the Morgan Stanley Capital International (MSCI) All Country World Index (net of foreign withholding taxes). Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. Updated performance information is available by visiting www.jpmorganfunds.com or by calling 1-800-480-4111.
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The bar chart shows how the performance of the Fund’s Class R6 Shares has varied from year to year for the past two calendar years. The table shows the average annual total returns over the past one year and the life of the Fund.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone 1-800-480-4111
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.jpmorganfunds.com
Performance Past Does Not Indicate Future [Text] rr_PerformancePastDoesNotIndicateFuture Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.
Bar Chart [Heading] rr_BarChartHeading YEAR-BY-YEAR RETURNS
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Best Quarter 1st quarter, 2012     11.76%   
Worst Quarter 2nd quarter, 2012   –5.53%
Performance Table Heading rr_PerformanceTableHeading AVERAGE ANNUAL TOTAL RETURNS
(For periods ended December 31, 2014)
Performance Table Uses Highest Federal Rate rr_PerformanceTableUsesHighestFederalRate After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred Actual after-tax returns depend on the investor’s tax situation and may differ from those shown, and the after-tax returns shown are not relevant to investors who hold their shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts.
Performance Table One Class of after Tax Shown [Text] rr_PerformanceTableOneClassOfAfterTaxShown After-tax returns are shown only for Class R6 Shares, and after-tax returns for these other classes will vary.
Performance Table Narrative rr_PerformanceTableNarrativeTextBlock After-tax returns are shown only for Class R6 Shares, and after-tax returns for these other classes will vary. After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on the investor’s tax situation and may differ from those shown, and the after-tax returns shown are not relevant to investors who hold their shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts.
R2, R5, R6 Shares | JPMorgan Global Unconstrained Equity Fund | Class R2  
Risk/Return: rr_RiskReturnAbstract  
Management Fees rr_ManagementFeesOverAssets 0.70%rr_ManagementFeesOverAssets
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Distribution (Rule 12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.50%rr_DistributionAndService12b1FeesOverAssets
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Shareholder Service Fees rr_Component1OtherExpensesOverAssets 0.25%rr_Component1OtherExpensesOverAssets
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Remainder of Other Expenses rr_Component2OtherExpensesOverAssets 3.01%rr_Component2OtherExpensesOverAssets
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Other Expenses rr_OtherExpensesOverAssets 3.26%rr_OtherExpensesOverAssets
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Total Annual Fund Operating Expenses rr_ExpensesOverAssets 4.46%rr_ExpensesOverAssets
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Fee Waivers and Expense Reimbursements rr_FeeWaiverOrReimbursementOverAssets (2.96%)rr_FeeWaiverOrReimbursementOverAssets
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Total Annual Fund Operating Expenses After Fee Waivers and Expense Reimbursements rr_NetExpensesOverAssets 1.50%rr_NetExpensesOverAssets
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5 Years rr_ExpenseExampleYear05 2,019rr_ExpenseExampleYear05
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10 Years rr_ExpenseExampleYear10 4,409rr_ExpenseExampleYear10
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Past 1 Year rr_AverageAnnualReturnYear01 4.39%rr_AverageAnnualReturnYear01
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Life of Fund rr_AverageAnnualReturnSinceInception 13.96%rr_AverageAnnualReturnSinceInception
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Inception Date rr_AverageAnnualReturnInceptionDate Nov. 30, 2011
R2, R5, R6 Shares | JPMorgan Global Unconstrained Equity Fund | Class R5  
Risk/Return: rr_RiskReturnAbstract  
Management Fees rr_ManagementFeesOverAssets 0.70%rr_ManagementFeesOverAssets
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Distribution (Rule 12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Shareholder Service Fees rr_Component1OtherExpensesOverAssets 0.05%rr_Component1OtherExpensesOverAssets
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Remainder of Other Expenses rr_Component2OtherExpensesOverAssets 3.01%rr_Component2OtherExpensesOverAssets
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Other Expenses rr_OtherExpensesOverAssets 3.06%rr_OtherExpensesOverAssets
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Total Annual Fund Operating Expenses rr_ExpensesOverAssets 3.76%rr_ExpensesOverAssets
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Fee Waivers and Expense Reimbursements rr_FeeWaiverOrReimbursementOverAssets (2.96%)rr_FeeWaiverOrReimbursementOverAssets
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Total Annual Fund Operating Expenses After Fee Waivers and Expense Reimbursements rr_NetExpensesOverAssets 0.80%rr_NetExpensesOverAssets
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Life of Fund rr_AverageAnnualReturnSinceInception 14.75%rr_AverageAnnualReturnSinceInception
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Inception Date rr_AverageAnnualReturnInceptionDate Nov. 30, 2011
R2, R5, R6 Shares | JPMorgan Global Unconstrained Equity Fund | Class R6  
Risk/Return: rr_RiskReturnAbstract  
Management Fees rr_ManagementFeesOverAssets 0.70%rr_ManagementFeesOverAssets
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Shareholder Service Fees rr_Component1OtherExpensesOverAssets none
Remainder of Other Expenses rr_Component2OtherExpensesOverAssets 3.01%rr_Component2OtherExpensesOverAssets
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Other Expenses rr_OtherExpensesOverAssets 3.01%rr_OtherExpensesOverAssets
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Total Annual Fund Operating Expenses rr_ExpensesOverAssets 3.71%rr_ExpensesOverAssets
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Total Annual Fund Operating Expenses After Fee Waivers and Expense Reimbursements rr_NetExpensesOverAssets 0.75%rr_NetExpensesOverAssets
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3 Years rr_ExpenseExampleYear03 860rr_ExpenseExampleYear03
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5 Years rr_ExpenseExampleYear05 1,664rr_ExpenseExampleYear05
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10 Years rr_ExpenseExampleYear10 3,766rr_ExpenseExampleYear10
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1 Year rr_ExpenseExampleNoRedemptionYear01 77rr_ExpenseExampleNoRedemptionYear01
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3 Years rr_ExpenseExampleNoRedemptionYear03 860rr_ExpenseExampleNoRedemptionYear03
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5 Years rr_ExpenseExampleNoRedemptionYear05 1,664rr_ExpenseExampleNoRedemptionYear05
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2012 rr_AnnualReturn2012 17.90%rr_AnnualReturn2012
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2013 rr_AnnualReturn2013 24.40%rr_AnnualReturn2013
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Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Best Quarter
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Mar. 31, 2012
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 11.76%rr_BarChartHighestQuarterlyReturn
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Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Worst Quarter
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Jun. 30, 2012
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (5.53%)rr_BarChartLowestQuarterlyReturn
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Past 1 Year rr_AverageAnnualReturnYear01 5.22%rr_AverageAnnualReturnYear01
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Life of Fund rr_AverageAnnualReturnSinceInception 14.82%rr_AverageAnnualReturnSinceInception
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Inception Date rr_AverageAnnualReturnInceptionDate Nov. 30, 2011
R2, R5, R6 Shares | JPMorgan Global Unconstrained Equity Fund | Return After Taxes on Distributions | Class R6  
Risk/Return: rr_RiskReturnAbstract  
Past 1 Year rr_AverageAnnualReturnYear01 0.88%rr_AverageAnnualReturnYear01
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Inception Date rr_AverageAnnualReturnInceptionDate Nov. 30, 2011
R2, R5, R6 Shares | JPMorgan Global Unconstrained Equity Fund | Return After Taxes on Distributions and Sale of Fund Shares | Class R6  
Risk/Return: rr_RiskReturnAbstract  
Past 1 Year rr_AverageAnnualReturnYear01 4.80%rr_AverageAnnualReturnYear01
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Inception Date rr_AverageAnnualReturnInceptionDate Nov. 30, 2011
R2, R5, R6 Shares | JPMorgan Global Unconstrained Equity Fund | MSCI All Country World Index (Net of Foreign Withholding Taxes) (Reflects No Deduction for Fees, Expenses or Taxes, Except Foreign Withholding Taxes)  
Risk/Return: rr_RiskReturnAbstract  
Past 1 Year rr_AverageAnnualReturnYear01 4.16%rr_AverageAnnualReturnYear01
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[1] As of December 1, 2014, the Fund's advisory fee was reduced; therefore, the Management Fees and Total Annual Fund Operating Expenses have been restated to reflect the current fees.
[2] The Fund’s adviser, administrator and distributor (the Service Providers) have contractually agreed to waive fees and/or reimburse expenses to the extent Total Annual Fund Operating Expenses (excluding acquired fund fees and expenses, dividend expenses relating to short sales, interest, taxes, expenses related to litigation and potential litigation, extraordinary expenses and expenses related to the Board of Trustees’ deferred compensation plan) exceed 1.50%, 0.80% and 0.75%, respectively, of the average daily net assets of Class R2, Class R5 and Class R6 Shares, respectively. This contract cannot be terminated prior to 3/1/16 at which time the Service Providers will determine whether or not to renew or revise it.