497

Undiscovered Managers Funds

270 Park Avenue

New York, New York 10017

November 25, 2013

VIA EDGAR

Securities and Exchange Commission

100 F Street, N.E.

Washington, DC 20549

Attention: Filing Desk

Re: Undiscovered Managers Funds (the “Trust”), on behalf of the

Undiscovered Managers Behavioral Value Fund (the “Fund”)

File Nos. 333-37711 and 811-08437

Ladies and Gentlemen:

On behalf of the Trust, we hereby submit for filing pursuant to Rule 497 under the Securities Act of 1933 and under the Investment Company Act of 1940, exhibits containing interactive data format risk/return summary information for the Fund. These exhibits contain the risk/return summary information in the prospectus for the Fund dated December 28, 2012. The purpose of this filing is to submit the XBRL information from the 497 filing dated November 5, 2013 for the Fund.

Please contact the undersigned at 212-648-0919 if you have any questions concerning this filing.

Very truly yours,

/s/ Carmine Lekstutis

Carmine Lekstutis

Assistant Secretary

cc: Vincent Di Stefano

Exhibit Index

Exhibit Number	Description
EX-101.INS XBRL	Instance Document
EX-101.SCH XBRL	Taxonomy Extension Schema Document
EX-101.CAL XBRL	Taxonomy Extension Calculation Linkbase
EX-101.DEF XBRL	Taxonomy Extension Definition Linkbase
EX-101.LAB XBRL	Taxonomy Extension Labels Linkbase
EX-101.PRE XBRL	Taxonomy Extension Presentation Linkbase

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Select Shares | Undiscovered Managers Behavioral Value Fund

Undiscovered Managers Behavioral Value Fund

Class/Ticker: Select/UBVSX

What is the goal of the Fund?

Capital appreciation.

Fees and Expenses of the Fund

The following table describes the fees and expenses that you may pay if you buy and hold shares of the Fund. “Acquired Fund Fees and Expenses” are expenses incurred indirectly by the Fund through its ownership of shares in other investment companies, including affiliated money market funds, other mutual funds, exchange-traded funds and business development companies. The impact of Acquired Fund Fees and Expenses is included in the total returns of the Fund. Acquired Fund Fees and Expenses are not direct costs of the Fund, are not used to calculate the Fund’s net asset value per share and are not included in the calculation of the ratio of expenses to average net assets shown in the Financial Highlights section of the Fund’s prospectus.

ANNUAL FUND OPERATING EXPENSES
(Expenses that you pay each year as a percentage of the value
of your investment)

Annual Fund Operating Expenses		Select Shares Undiscovered Managers Behavioral Value Fund Select Class
Management Fees		1.05%
Distribution (Rule 12b-1) Fees		none
Other Expenses	[1]	0.86%
Shareholder Service Fees		0.25%
Remainder of Other Expenses		0.61%
Acquired Fund Fees and Expenses		0.13%
Total Annual Fund Operating Expenses		2.04%
Fee Waivers and Expense Reimbursements	[2]	(0.86%)
Total Annual Fund Operating Expenses After Fee Waivers and Expense Reimbursements	[2]	1.18%

Example

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 fee table through 12/31/14 and total annual fund operating expenses thereafter. Your actual costs may be higher or lower.

WHETHER OR NOT YOU SELL YOUR SHARES, YOUR
COST WOULD BE:

Expense Example (USD $)	1 Year	3 Years	5 Years	10 Years
Select Shares Undiscovered Managers Behavioral Value Fund SELECT CLASS SHARES	120	556	1,019	2,300

WHETHER OR NOT YOU SELL YOUR SHARES, YOUR
COST WOULD BE:

Expense Example, No Redemption (USD $)	1 Year	3 Years	5 Years	10 Years
Select Shares Undiscovered Managers Behavioral Value Fund SELECT CLASS SHARES	120	556	1,019	2,300

Portfolio Turnover

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 61% of the average value of its portfolio.

What are the Fund’s main investment strategies?

The Fund seeks to achieve its objective by investing primarily in common stocks of U.S. companies that the Fund's sub-adviser, Fuller & Thaler Asset Management, Inc. (Fuller & Thaler), believes have value characteristics. Such common stocks include stocks of small capitalization companies, similar to those that are included in the Russell 2000 Value Index and real estate investment trusts (REITs).

A REIT is a pooled investment vehicle that generally invests in income-producing real estate or real estate-related loans or interests. REITs are classified as equity REITs, mortgage REITs, or hybrid REITs. Equity REITs, which invest the majority of their assets directly in real property, derive their income primarily from rents.

In selecting stocks for the Fund, Fuller & Thaler applies principles based on behavioral finance. Fuller & Thaler believes that behavioral biases on the part of investors may cause the market to overreact to old, negative information and underreact to new, positive information concerning a company. In an effort to take advantage of such behavioral biases, Fuller & Thaler begins by looking at companies that have price-to-earnings ratios below the median in their industry group or decreasing stock values on an absolute basis. Within such universes of stocks, Fuller & Thaler selects investments for the Fund based on such factors as recent under-performance of the company's stock relative to the market, significant share purchases by company insiders or stock repurchase activity by the company. The adviser selects stocks at prices that it believes are temporarily low relative to factors such as the company's earnings, cash flow or dividends.

The Fund’s Main Investment Risks

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.

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 the 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.

Behavioral Strategy Risk. When taking investment positions, Fuller & Thaler will apply principles based on behavioral finance. In order to take advantage of behavioral biases, Fuller & Thaler generally focuses on certain markers of possible under- and overreaction. Securities identified using this type of strategy may perform differently from the market as a whole as a result of the factors used in the analysis, the weight placed on each factor, and changes in the factor's historical trends. The factors used in implementing this strategy and the weight placed on those factors may not be predictive of a security's value, and the effectiveness of the factors can change over time. These changes may not be reflected in the current analytical approach used to implement the behavioral strategy.

Smaller Cap Company Risk. Investments in securities of mid cap and small cap companies may be riskier, more volatile and more vulnerable to economic, market and industry changes than investments in larger, more established companies. As a result, share price changes may be more sudden or erratic than the prices of other equity securities, especially over the short term.

Value Investing Risk. A value 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.

Real Estate Securities Risk. The Fund's investments in real estate securities, including REITs, are subject to the same risks as direct investments in real estate and mortgages, and their value will depend on the value of the underlying real estate interests. These risks include default, prepayments, changes in value resulting from changes in interest rates and demand for real and rental property and the management skill and credit-worthiness of REIT issuers. The Fund will indirectly bear its proportionate share of expenses, including management fees, paid by each REIT in which it invests in addition to the expenses of the Fund.

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, occur in times of overall market turmoil or declining prices for the securities sold, or when the securities the Fund wishes to or is required to sell are illiquid.

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.

The Fund’s Past Performance

This section provides some indication of the risks of investing in the Fund. The Select Class Shares commenced operations on April 30, 2013 and have limited performance history. As a result, the bar chart shows how the performance of the Fund’s Institutional Class Shares has varied from year to year over the past ten calendar years. The table shows the average annual total returns of the Fund’s Institutional Class Shares over the past one year, five years and ten years. The actual returns of Select Class Shares would have been lower than those shown because Select Class Shares have higher expenses than Institutional Class Shares. The table compares that performance to the Russell 2000^® Value Index and the Lipper Small-Cap Value Funds Index, an index based on the total returns of certain mutual funds within the Fund’s designated category as determined by Lipper. Unlike the other index, the Lipper index includes the expenses of the mutual funds included in the index. Past performance (before and after taxes) is not necessarily an indication of how any class of the Fund will perform in the future. Updated performance information is available by visiting www.jpmorganfunds.com or by calling 1-800-480-4111.

YEAR-BY-YEAR RETURNS

Best Quarter	2nd quarter, 2003	36.17%
Worst Quarter	3rd quarter, 2011	–24.31%

AVERAGE ANNUAL TOTAL RETURNS
(For periods ended December 31, 2012)

Average Annual Total Returns Select Shares Undiscovered Managers Behavioral Value Fund	Past 1 Year	Past 5 Years	Past 10 Years
INSTITUTIONAL CLASS SHARES	23.55%	7.56%	12.39%
INSTITUTIONAL CLASS SHARES Return After Taxes on Distributions	23.55%	7.54%	11.89%
INSTITUTIONAL CLASS SHARES Return After Taxes on Distributions and Sale of Fund Shares	15.31%	6.55%	10.99%
RUSSELL 2000 VALUE INDEX (Reflects No Deduction for Fees, Expenses or Taxes)	18.05%	3.55%	9.50%
LIPPER SMALL-CAP VALUE FUNDS INDEX (Reflects No Deduction for Taxes)	15.56%	4.33%	10.20%

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 your 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.

[1] "Other Expenses" for Select Class Shares are estimated based upon Institutional Class Shares for the most recent fiscal year.

[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 of Select Class Shares (excluding Acquired Fund Fees and Expenses, dividend expenses related 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 1.05% of their average daily net assets. This contract cannot be terminated prior to 1/1/15, at which time the Service Providers will determine whether or not to renew or revise it.

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Institutional Shares | Undiscovered Managers Behavioral Value Fund

Undiscovered Managers Behavioral Value Fund

Class/Ticker: Institutional/UBVLX

What is the goal of the Fund?

Capital appreciation.

Fees and Expenses of the Fund

The following table describes the fees and expenses that you may pay if you buy and hold shares of the Fund. “Acquired Fund Fees and Expenses” are expenses incurred indirectly by the Fund through its ownership of shares in other investment companies, including affiliated money market funds, other mutual funds, exchange-traded funds and business development companies. The impact of Acquired Fund Fees and Expenses is included in the total returns of the Fund. Acquired Fund Fees and Expenses are not direct costs of the Fund, are not used to calculate the Fund’s net asset value per share and are not included in the calculation of the ratio of expenses to average net assets shown in the Financial Highlights section of the Fund’s prospectus.

ANNUAL FUND OPERATING EXPENSES (Expenses that you pay each year as a percentage of the value
of your investment in Institutional Class Shares)

Annual Fund Operating Expenses		Institutional Shares Undiscovered Managers Behavioral Value Fund Institutional Class
Management Fees		1.05%
Distribution (Rule 12b-1) Fees		none
Other Expenses		0.71%
Shareholder Service Fees		0.10%
Remainder of Other Expenses		0.61%
Acquired Fund Fees and Expenses		0.13%
Total Annual Fund Operating Expenses		1.89%
Fee Waivers and Expense Reimbursements	[1]	(0.86%)
Total Annual Fund Operating Expenses After Fee Waivers and Expense Reimbursements	[1]	1.03%

Example

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 fee table through 12/31/14 and total annual fund operating expenses thereafter. Your actual costs may be higher or lower.

WHETHER OR NOT YOU SELL YOUR SHARES, YOUR
COST WOULD BE:

Expense Example (USD $)	1 Year	3 Years	5 Years	10 Years
Institutional Shares Undiscovered Managers Behavioral Value Fund INSTITUTIONAL CLASS SHARES	105	510	941	2,141

WHETHER OR NOT YOU SELL YOUR SHARES, YOUR
COST WOULD BE:

Expense Example, No Redemption (USD $)	1 Year	3 Years	5 Years	10 Years
Institutional Shares Undiscovered Managers Behavioral Value Fund INSTITUTIONAL CLASS SHARES	105	510	941	2,141

Portfolio Turnover

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 61% of the average value of its portfolio.

What are the Fund’s main investment strategies?

The Fund seeks to achieve its objective by investing primarily in common stocks of U.S. companies that the Fund’s sub-adviser, Fuller & Thaler Asset Management, Inc. (Fuller & Thaler), believes have value characteristics. Such common stocks include stocks of small capitalization companies, similar to those that are included in the Russell 2000 Value Index and real estate investment trusts (REITs).

A REIT is a pooled investment vehicle that generally invests in income-producing real estate or real estate-related loans or interests. REITs are classified as equity REITs, mortgage REITs, or hybrid REITs. Equity REITs, which invest the majority of their assets directly in real property, derive their income primarily from rents.

In selecting stocks for the Fund, Fuller & Thaler applies principles based on behavioral finance. Fuller & Thaler believes that behavioral biases on the part of investors may cause the market to overreact to old, negative information and underreact to new, positive information concerning a company. In an effort to take advantage of such behavioral biases, Fuller & Thaler begins by looking at companies that have price-to-earnings ratios below the median in their industry group or decreasing stock values on an absolute basis. Within such universes of stocks, Fuller & Thaler selects investments for the Fund based on such factors as recent under-performance of the company’s stock relative to the market, significant share purchases by company insiders or stock repurchase activity by the company. The adviser selects stocks at prices that it believes are temporarily low relative to factors such as the company’s earnings, cash flow or dividends.

The Fund’s Main Investment Risks

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.

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 the 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.

Behavioral Strategy Risk. When taking investment positions, Fuller & Thaler will apply principles based on behavioral finance. In order to take advantage of behavioral biases, Fuller & Thaler generally focuses on certain markers of possible under- and overreaction. Securities identified using this type of strategy may perform differently from the market as a whole as a result of the factors used in the analysis, the weight placed on each factor, and changes in the factor’s historical trends. The factors used in implementing this strategy and the weight placed on those factors may not be predictive of a security’s value, and the effectiveness of the factors can change over time. These changes may not be reflected in the current analytical approach used to implement the behavioral strategy.

Smaller Cap Company Risk. Investments in securities of mid cap and small cap companies may be riskier, more volatile and more vulnerable to economic, market and industry changes than investments in larger, more established companies. As a result, share price changes may be more sudden or erratic than the prices of other equity securities, especially over the short term.

Value Investing Risk. A value 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.

Real Estate Securities Risk. The Fund’s investments in real estate securities, including REITs, are subject to the same risks as direct investments in real estate and mortgages, and their value will depend on the value of the underlying real estate interests. These risks include default, prepayments, changes in value resulting from changes in interest rates and demand for real and rental property and the management skill and credit-worthiness of REIT issuers. The Fund will indirectly bear its proportionate share of expenses, including management fees, paid by each REIT in which it invests in addition to the expenses of the Fund.

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, occur in times of overall market turmoil or declining prices for the securities sold, or when the securities the Fund wishes to or is required to sell are illiquid.

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.

The Fund’s Past Performance

This section provides some indication of the risks of investing in the Fund. The bar chart shows how the performance of the Fund’s Institutional Class Shares has varied from year to year for the past ten calendar years. The table shows the average annual total returns over the past one year, five years and ten years. The table compares that performance to the Russell 2000^® Value Index and the Lipper Small-Cap Value Funds Index, an index based on the total returns of certain mutual funds within the Fund’s designated category as determined by Lipper. Unlike the other index, the Lipper index includes the expenses of the mutual funds included in the index. Past performance (before and after taxes) is not necessarily an indication of how any class of the Fund will perform in the future. Updated performance information is available by visiting www.jpmorganfunds.com or by calling 1-800-480-4111.

YEAR-BY-YEAR RETURNS

Best Quarter	2nd quarter, 2003	36.17%
Worst Quarter	3rd quarter, 2011	–24.31%

The Fund’s year-to-date total return through 9/30/12 was 16.44%. 

AVERAGE ANNUAL TOTAL RETURNS
(For periods ended December 31, 2011)

Average Annual Total Returns Institutional Shares Undiscovered Managers Behavioral Value Fund	Past 1 Year	Past 5 Years	Past 10 Years
INSTITUTIONAL CLASS SHARES	(1.53%)	1.25%	8.12%
INSTITUTIONAL CLASS SHARES Return After Taxes on Distributions	(1.59%)	1.03%	7.49%
INSTITUTIONAL CLASS SHARES Return After Taxes on Distributions and Sale of Fund Shares	(0.92%)	1.04%	7.00%
RUSSELL 2000 VALUE INDEX (Reflects No Deduction for Fees, Expenses or Taxes)	(5.50%)	(1.87%)	6.40%
LIPPER SMALL-CAP VALUE FUNDS INDEX (Reflects No Deduction for Taxes)	(4.82%)	0.41%	7.34%

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 your 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.

[1] 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 of Institutional Class Shares (excluding Acquired Fund Fees and Expenses, dividend expenses related 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 0.90% of their average daily net assets. This contract cannot be terminated prior to 1/1/15, at which time the Service Providers will determine whether or not to renew or revise it.

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R2, R6 Shares | Undiscovered Managers Behavioral Value Fund

Undiscovered Managers Behavioral Value Fund

Class/Ticker: R2/UBVRX; R6/UBVFX

What is the goal of the Fund?

Capital appreciation.

Fees and Expenses of the Fund

The following table describes the fees and expenses that you may pay if you buy and hold shares of the Fund. “Acquired Fund Fees and Expenses” are expenses incurred indirectly by the Fund through its ownership of shares in other investment companies, including affiliated money market funds, other mutual funds, exchange-traded funds and business development companies. The impact of Acquired Fund Fees and Expenses is included in the total returns of the Fund. Acquired Fund Fees and Expenses are not direct costs of the Fund, are not used to calculate the Fund’s net asset value per share and are not included in the calculation of the ratio of expenses to average net assets shown in the Financial Highlights section of the Fund’s prospectus.

ANNUAL FUND OPERATING EXPENSES
(Expenses that you pay each year as a percentage of the value
of your investment)

Annual Fund Operating Expenses R2, R6 Shares Undiscovered Managers Behavioral Value Fund		Class R2	Class R6
Management Fees		1.05%	1.05%
Distribution (Rule 12b-1) Fees		0.50%	none
Other Expenses	[1]	0.86%	0.61%
Shareholder Service Fees		0.25%	none
Remainder of Other Expenses		0.61%	0.61%
Acquired Fund Fees and Expenses		0.13%	0.13%
Total Annual Fund Operating Expenses		2.54%	1.79%
Fee Waivers and Expense Reimbursements	[2]	(0.86%)	(0.86%)
Total Annual Fund Operating Expenses After Fee Waivers and Expense Reimbursements	[2]	1.68%	0.93%

Example

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 fee table through 12/31/14 and total annual fund operating expenses thereafter. Your actual costs may be higher or lower.

WHETHER OR NOT YOU SELL YOUR SHARES, YOUR
COST WOULD BE:

Expense Example R2, R6 Shares Undiscovered Managers Behavioral Value Fund (USD $)	1 Year	3 Years	5 Years	10 Years
CLASS R2 SHARES	171	709	1,273	2,811
CLASS R6 SHARES	95	480	889	2,034

WHETHER OR NOT YOU SELL YOUR SHARES, YOUR
COST WOULD BE:

Expense Example, No Redemption R2, R6 Shares Undiscovered Managers Behavioral Value Fund (USD $)	1 Year	3 Years	5 Years	10 Years
CLASS R2 SHARES	171	709	1,273	2,811
CLASS R6 SHARES	95	480	889	2,034

Portfolio Turnover

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 61% of the average value of its portfolio.

What are the Fund’s main investment strategies?

The Fund seeks to achieve its objective by investing primarily in common stocks of U.S. companies that the Fund's sub-adviser, Fuller & Thaler Asset Management, Inc. (Fuller & Thaler), believes have value characteristics. Such common stocks include stocks of small capitalization companies, similar to those that are included in the Russell 2000 Value Index and real estate investment trusts (REITs).

A REIT is a pooled investment vehicle that generally invests in income-producing real estate or real estate-related loans or interests. REITs are classified as equity REITs, mortgage REITs, or hybrid REITs. Equity REITs, which invest the majority of their assets directly in real property, derive their income primarily from rents.

In selecting stocks for the Fund, Fuller & Thaler applies principles based on behavioral finance. Fuller & Thaler believes that behavioral biases on the part of investors may cause the market to overreact to old, negative information and underreact to new, positive information concerning a company. In an effort to take advantage of such behavioral biases, Fuller & Thaler begins by looking at companies that have price-to-earnings ratios below the median in their industry group or decreasing stock values on an absolute basis. Within such universes of stocks, Fuller & Thaler selects investments for the Fund based on such factors as recent under-performance of the company's stock relative to the market, significant share purchases by company insiders or stock repurchase activity by the company. The adviser selects stocks at prices that it believes are temporarily low relative to factors such as the company's earnings, cash flow or dividends.

The Fund’s Main Investment Risks

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.

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 the 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.

Behavioral Strategy Risk. When taking investment positions, Fuller & Thaler will apply principles based on behavioral finance. In order to take advantage of behavioral biases, Fuller & Thaler generally focuses on certain markers of possible under- and overreaction. Securities identified using this type of strategy may perform differently from the market as a whole as a result of the factors used in the analysis, the weight placed on each factor, and changes in the factor's historical trends. The factors used in implementing this strategy and the weight placed on those factors may not be predictive of a security's value, and the effectiveness of the factors can change over time. These changes may not be reflected in the current analytical approach used to implement the behavioral strategy.

Smaller Cap Company Risk. Investments in securities of mid cap and small cap companies may be riskier, more volatile and more vulnerable to economic, market and industry changes than investments in larger, more established companies. As a result, share price changes may be more sudden or erratic than the prices of other equity securities, especially over the short term.

Value Investing Risk. A value 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.

Real Estate Securities Risk. The Fund's investments in real estate securities, including REITs, are subject to the same risks as direct investments in real estate and mortgages, and their value will depend on the value of the underlying real estate interests. These risks include default, prepayments, changes in value resulting from changes in interest rates and demand for real and rental property and the management skill and credit-worthiness of REIT issuers. The Fund will indirectly bear its proportionate share of expenses, including management fees, paid by each REIT in which it invests in addition to the expenses of the Fund.

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, occur in times of overall market turmoil or declining prices for the securities sold, or when the securities the Fund wishes to or is required to sell are illiquid.

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.

The Fund’s Past Performance

This section provides some indication of the risks of investing in the Fund. The Class R2 and Class R6 Shares commenced operations on April 30, 2013 and have limited performance history. As a result, the bar chart shows how the performance of the Fund’s Institutional Class Shares has varied from year to year over the past ten calendar years. The table shows the average annual total returns of the Fund’s Institutional Class Shares over the past one year, five years and ten years. The actual returns of Class R2 Shares would have been lower than those shown because Class R2 Shares have higher expenses than Institutional Class Shares. The actual returns of Class R6 Shares would have been different than those shown because Class R6 Shares have different expenses than Institutional Class Shares. The table compares that performance to the Russell 2000^® Value Index and the Lipper Small-Cap Value Funds Index, an index based on the total returns of certain mutual funds within the Fund’s designated category as determined by Lipper. Unlike the other index, the Lipper index includes the expenses of the mutual funds included in the index. Past performance (before and after taxes) is not necessarily an indication of how any class of the Fund will perform in the future. Updated performance information is available by visiting www.jpmorganfunds.com or by calling 1-800-480-4111.

YEAR-BY-YEAR RETURNS

Best Quarter	2nd quarter, 2003	36.17%
Worst Quarter	3rd quarter, 2011	–24.31%

AVERAGE ANNUAL TOTAL RETURNS
(For periods ended December 31, 2012)

Average Annual Total Returns R2, R6 Shares Undiscovered Managers Behavioral Value Fund	Past 1 Year	Past 5 Years	Past 10 Years
INSTITUTIONAL CLASS SHARES	23.55%	7.56%	12.39%
INSTITUTIONAL CLASS SHARES Return After Taxes on Distributions	23.55%	7.54%	11.89%
INSTITUTIONAL CLASS SHARES Return After Taxes on Distributions and Sale of Fund Shares	15.31%	6.55%	10.99%
RUSSELL 2000 VALUE INDEX (Reflects No Deduction for Fees, Expenses or Taxes)	18.05%	3.55%	9.50%
LIPPER SMALL-CAP VALUE FUNDS INDEX (Reflects No Deduction for Taxes)	15.56%	4.33%	10.20%

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 your 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.

[1] "Other Expenses" for Class R2 and Class R6 Shares are estimated based upon Institutional Class Shares for the most recent fiscal year.

[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 related 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 1.55% and 0.80% of the average daily net assets of Class R2 and Class R6 Shares, respectively. This contract cannot be terminated prior to 1/1/15, at which time the Service Providers will determine whether or not to renew or revise it.

XML

Label	Element	Value
Risk/Return:	rr_RiskReturnAbstract
Registrant Name	dei_EntityRegistrantName	UNDISCOVERED MANAGERS FUNDS
Prospectus Date	rr_ProspectusDate	Nov. 05, 2013
Document Creation Date	dei_DocumentCreationDate	Nov. 05, 2013

XML

Label

Element

Value

Risk/Return:

rr_RiskReturnAbstract

Registrant Name

dei_EntityRegistrantName

UNDISCOVERED MANAGERS FUNDS

Prospectus Date

rr_ProspectusDate

Nov. 05, 2013

A, B, C Shares | Undiscovered Managers Behavioral Value Fund

Risk/Return:

rr_RiskReturnAbstract

Risk/Return [Heading]

rr_RiskReturnHeading

Undiscovered Managers Behavioral Value Fund

Class/Ticker: A/UBVAX; B/UBVBX; C/UBVCX

Objective [Heading]

rr_ObjectiveHeading

What is the goal of the Fund?

Objective, Primary [Text Block]

rr_ObjectivePrimaryTextBlock

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. “Acquired Fund Fees and Expenses” are expenses incurred indirectly by the Fund through its ownership of shares in other investment companies, including affiliated money market funds, other mutual funds, exchange-traded funds and business development companies. The impact of Acquired Fund Fees and Expenses is included in the total returns of the Fund. Acquired Fund Fees and Expenses are not direct costs of the Fund, are not used to calculate the Fund’s net asset value per share and are not included in the calculation of the ratio of expenses to average net assets shown in the Financial Highlights section of the Fund’s prospectus. You may qualify for sales charge discounts on purchases of Class A Shares if you and your family invest, or agree to invest in the future, at least $50,000 in the J.P. Morgan Funds. More information about these and other discounts is available from your financial intermediary and in “How to Do Business with the Funds — SALES CHARGES” on page 17 of the prospectus and in “PURCHASES, REDEMPTIONS AND EXCHANGES” in Appendix A to Part II of the Statement of Additional Information.

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

12/31/14

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 61% of the average value of its portfolio.

Portfolio Turnover, Rate

rr_PortfolioTurnoverRate

61.00%

Expense Breakpoint Discounts [Text]

rr_ExpenseBreakpointDiscounts

You may qualify for sales charge discounts on purchases of Class A Shares if you and your family invest, or agree to invest in the future, at least $50,000 in the J.P. Morgan Funds.

Expense Breakpoint, Minimum Investment Required [Amount]

rr_ExpenseBreakpointMinimumInvestmentRequiredAmount

$ 50,000

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

rr_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees

Acquired Fund Fees and Expenses are not direct costs of the Fund, are not used to calculate the Fund’s net asset value per share and are not included in the calculation of the ratio of expenses to average net assets shown in the Financial Highlights section of the Fund’s prospectus.

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 fee table through 12/31/14 and total annual fund operating expenses thereafter. Your actual costs may be higher or lower.

Expense Example by, Year, Caption [Text]

rr_ExpenseExampleByYearCaption

IF YOU SELL YOUR SHARES, YOUR COST WOULD BE:

Expense Example, No Redemption, By Year, Caption [Text]

rr_ExpenseExampleNoRedemptionByYearCaption

IF YOU DO NOT 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 seeks to achieve its objective by investing primarily in common stocks of U.S. companies that the Fund's sub-adviser, Fuller & Thaler Asset Management, Inc. (Fuller & Thaler), believes have value characteristics. Such common stocks include stocks of small capitalization companies, similar to those that are included in the Russell 2000 Value Index and real estate investment trusts (REITs).

A REIT is a pooled investment vehicle that generally invests in income-producing real estate or real estate-related loans or interests. REITs are classified as equity REITs, mortgage REITs, or hybrid REITs. Equity REITs, which invest the majority of their assets directly in real property, derive their income primarily from rents.

In selecting stocks for the Fund, Fuller & Thaler applies principles based on behavioral finance. Fuller & Thaler believes that behavioral biases on the part of investors may cause the market to overreact to old, negative information and underreact to new, positive information concerning a company. In an effort to take advantage of such behavioral biases, Fuller & Thaler begins by looking at companies that have price-to-earnings ratios below the median in their industry group or decreasing stock values on an absolute basis. Within such universes of stocks, Fuller & Thaler selects investments for the Fund based on such factors as recent under-performance of the company's stock relative to the market, significant share purchases by company insiders or stock repurchase activity by the company. The adviser selects stocks at prices that it believes are temporarily low relative to factors such as the company's earnings, cash flow or dividends.

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.

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 the 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.

Behavioral Strategy Risk. When taking investment positions, Fuller & Thaler will apply principles based on behavioral finance. In order to take advantage of behavioral biases, Fuller & Thaler generally focuses on certain markers of possible under- and overreaction. Securities identified using this type of strategy may perform differently from the market as a whole as a result of the factors used in the analysis, the weight placed on each factor, and changes in the factor's historical trends. The factors used in implementing this strategy and the weight placed on those factors may not be predictive of a security's value, and the effectiveness of the factors can change over time. These changes may not be reflected in the current analytical approach used to implement the behavioral strategy.

Smaller Cap Company Risk. Investments in securities of mid cap and small cap companies may be riskier, more volatile and more vulnerable to economic, market and industry changes than investments in larger, more established companies. As a result, share price changes may be more sudden or erratic than the prices of other equity securities, especially over the short term.

Value Investing Risk. A value 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.

Real Estate Securities Risk. The Fund's investments in real estate securities, including REITs, are subject to the same risks as direct investments in real estate and mortgages, and their value will depend on the value of the underlying real estate interests. These risks include default, prepayments, changes in value resulting from changes in interest rates and demand for real and rental property and the management skill and creditworthiness of REIT issuers. The Fund will indirectly bear its proportionate share of expenses, including management fees, paid by each REIT in which it invests in addition to the expenses of the Fund.

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, occur in times of overall market turmoil or declining prices for the securities sold, or when the securities the Fund wishes to or is required to sell are illiquid.

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 A Shares has varied from year to year for the past ten calendar years. The table shows the average annual total returns over the past one year, five years and ten years. The table compares that performance to the Russell 2000^® Value Index and the Lipper Small-Cap Value Funds Index, an index based on the total returns of certain mutual funds within the Fund’s designated category as determined by Lipper. Unlike the other index, the Lipper index includes the expenses of the mutual funds included in the index. The performance of Class A, Class B and Class C Shares prior to their inception is based on the performance of the Institutional Class Shares. The actual returns of Class A, Class B and Class C Shares would have been lower than those shown because Class A, Class B, and Class C Shares have higher expenses than Institutional Class Shares. Past performance (before and after taxes) is not necessarily an indication of how any class of the Fund will perform in the future. Updated performance information is available by visiting www.jpmorganfunds.com or by calling 1-800-480-4111. The performance figures in the bar chart do not reflect any deduction for the front-end sales load which is assessed on Class A Shares. If the load were reflected, the performance figures would have been lower.

Performance Information Illustrates Variability of Returns [Text]

rr_PerformanceInformationIllustratesVariabilityOfReturns

The bar chart shows how the performance of the Fund’s Class A Shares has varied from year to year for the past ten calendar years. The table shows the average annual total returns over the past one year, five years and ten years.

Performance Additional Market Index [Text]

rr_PerformanceAdditionalMarketIndex

The table compares that performance to the Russell 2000^® Value Index and the Lipper Small-Cap Value Funds Index, an index based on the total returns of certain mutual funds within the Fund’s designated category as determined by Lipper. Unlike the other index, the Lipper index includes the expenses of the mutual funds included in the index.

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 any class of the Fund will perform in the future.

Bar Chart [Heading]

rr_BarChartHeading

YEAR-BY-YEAR RETURNS

Bar Chart Does Not Reflect Sales Loads [Text]

rr_BarChartDoesNotReflectSalesLoads

The performance figures in the bar chart do not reflect any deduction for the front-end sales load which is assessed on Class A Shares. If the load were reflected, the performance figures would have been lower.

Bar Chart Closing [Text Block]

rr_BarChartClosingTextBlock

Best Quarter	2nd quarter, 2003	36.17%
Worst Quarter	3rd quarter, 2011	–24.33%

The Fund's year-to-date total return through 9/30/12 was 16.23%.

Performance Table Heading

rr_PerformanceTableHeading

AVERAGE ANNUAL TOTAL RETURNS
(For periods ended December 31, 2011)

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 your tax situation and may differ from those shown. 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

The after-tax returns are shown only for the Class A Shares, and after-tax returns for these other classes will vary.

Performance Table Narrative

rr_PerformanceTableNarrativeTextBlock

The after-tax returns are shown only for the Class A 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 your tax situation and may differ from those shown. 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.

A, B, C Shares | Undiscovered Managers Behavioral Value Fund | Class A

Risk/Return:

rr_RiskReturnAbstract

Maximum Sales Charge (Load) Imposed on Purchases as a % of the Offering Price

rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice

5.25%

Maximum Deferred Sales Charge (Load) as a % of Original Cost of the Shares

rr_MaximumDeferredSalesChargeOverOther

none

^[1]

Management Fees

rr_ManagementFeesOverAssets

1.05%

Distribution (Rule 12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

0.25%

Shareholder Service Fees

rr_Component1OtherExpensesOverAssets

0.25%

Remainder of Other Expenses

rr_Component2OtherExpensesOverAssets

0.58%

Other Expenses

rr_OtherExpensesOverAssets

0.83%

Acquired Fund Fees and Expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.13%

Total Annual Fund Operating Expenses

rr_ExpensesOverAssets

2.26%

Fee Waivers and Expense Reimbursements

rr_FeeWaiverOrReimbursementOverAssets

(0.83%)

^[2]

Total Annual Fund Operating Expenses After Fee Waivers and Expense Reimbursements

rr_NetExpensesOverAssets

1.43%

^[2]

1 Year

rr_ExpenseExampleYear01

663

3 Years

rr_ExpenseExampleYear03

1,119

5 Years

rr_ExpenseExampleYear05

1,600

10 Years

rr_ExpenseExampleYear10

2,923

1 Year

rr_ExpenseExampleNoRedemptionYear01

663

3 Years

rr_ExpenseExampleNoRedemptionYear03

1,119

5 Years

rr_ExpenseExampleNoRedemptionYear05

1,600

10 Years

rr_ExpenseExampleNoRedemptionYear10

2,923

2002

rr_AnnualReturn2002

(16.07%)

2003

rr_AnnualReturn2003

62.37%

2004

rr_AnnualReturn2004

20.83%

2005

rr_AnnualReturn2005

6.77%

2006

rr_AnnualReturn2006

16.19%

2007

rr_AnnualReturn2007

(8.91%)

2008

rr_AnnualReturn2008

(36.80%)

2009

rr_AnnualReturn2009

41.26%

2010

rr_AnnualReturn2010

31.72%

2011

rr_AnnualReturn2011

(1.71%)

Year to Date Return, Label

rr_YearToDateReturnLabel

The Fund's year-to-date total return

Bar Chart, Year to Date Return, Date

rr_BarChartYearToDateReturnDate

Sep. 30, 2012

Bar Chart, Year to Date Return

rr_BarChartYearToDateReturn

16.23%

Highest Quarterly Return, Label

rr_HighestQuarterlyReturnLabel

Best Quarter

Highest Quarterly Return, Date

rr_BarChartHighestQuarterlyReturnDate

Jun. 30, 2003

Highest Quarterly Return

rr_BarChartHighestQuarterlyReturn

36.17%

Lowest Quarterly Return, Label

rr_LowestQuarterlyReturnLabel

Worst Quarter

Lowest Quarterly Return, Date

rr_BarChartLowestQuarterlyReturnDate

Sep. 30, 2011

Lowest Quarterly Return

rr_BarChartLowestQuarterlyReturn

(24.33%)

Past 1 Year

rr_AverageAnnualReturnYear01

(6.87%)

Past 5 Years

rr_AverageAnnualReturnYear05

(0.05%)

Past 10 Years

rr_AverageAnnualReturnYear10

7.37%

A, B, C Shares | Undiscovered Managers Behavioral Value Fund | Class B

Risk/Return:

rr_RiskReturnAbstract

Maximum Sales Charge (Load) Imposed on Purchases as a % of the Offering Price

rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice

none

Maximum Deferred Sales Charge (Load) as a % of Original Cost of the Shares

rr_MaximumDeferredSalesChargeOverOther

5.00%

Management Fees

rr_ManagementFeesOverAssets

1.05%

Distribution (Rule 12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

0.75%

Shareholder Service Fees

rr_Component1OtherExpensesOverAssets

0.25%

Remainder of Other Expenses

rr_Component2OtherExpensesOverAssets

0.63%

Other Expenses

rr_OtherExpensesOverAssets

0.88%

Acquired Fund Fees and Expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.13%

Total Annual Fund Operating Expenses

rr_ExpensesOverAssets

2.81%

Fee Waivers and Expense Reimbursements

rr_FeeWaiverOrReimbursementOverAssets

(0.88%)

^[2]

Total Annual Fund Operating Expenses After Fee Waivers and Expense Reimbursements

rr_NetExpensesOverAssets

1.93%

^[2]

1 Year

rr_ExpenseExampleYear01

696

3 Years

rr_ExpenseExampleYear03

1,088

5 Years

rr_ExpenseExampleYear05

1,606

10 Years

rr_ExpenseExampleYear10

2,942

1 Year

rr_ExpenseExampleNoRedemptionYear01

196

3 Years

rr_ExpenseExampleNoRedemptionYear03

788

5 Years

rr_ExpenseExampleNoRedemptionYear05

1,406

10 Years

rr_ExpenseExampleNoRedemptionYear10

2,942

Past 1 Year

rr_AverageAnnualReturnYear01

(7.24%)

Past 5 Years

rr_AverageAnnualReturnYear05

0.15%

Past 10 Years

rr_AverageAnnualReturnYear10

7.55%

A, B, C Shares | Undiscovered Managers Behavioral Value Fund | Class C

Risk/Return:

rr_RiskReturnAbstract

Maximum Sales Charge (Load) Imposed on Purchases as a % of the Offering Price

rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice

none

Maximum Deferred Sales Charge (Load) as a % of Original Cost of the Shares

rr_MaximumDeferredSalesChargeOverOther

1.00%

Management Fees

rr_ManagementFeesOverAssets

1.05%

Distribution (Rule 12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

0.75%

Shareholder Service Fees

rr_Component1OtherExpensesOverAssets

0.25%

Remainder of Other Expenses

rr_Component2OtherExpensesOverAssets

0.61%

Other Expenses

rr_OtherExpensesOverAssets

0.86%

Acquired Fund Fees and Expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.13%

Total Annual Fund Operating Expenses

rr_ExpensesOverAssets

2.79%

Fee Waivers and Expense Reimbursements

rr_FeeWaiverOrReimbursementOverAssets

(0.86%)

^[2]

Total Annual Fund Operating Expenses After Fee Waivers and Expense Reimbursements

rr_NetExpensesOverAssets

1.93%

^[2]

1 Year

rr_ExpenseExampleYear01

296

3 Years

rr_ExpenseExampleYear03

784

5 Years

rr_ExpenseExampleYear05

1,398

10 Years

rr_ExpenseExampleYear10

3,056

1 Year

rr_ExpenseExampleNoRedemptionYear01

196

3 Years

rr_ExpenseExampleNoRedemptionYear03

784

5 Years

rr_ExpenseExampleNoRedemptionYear05

1,398

10 Years

rr_ExpenseExampleNoRedemptionYear10

$ 3,056

Past 1 Year

rr_AverageAnnualReturnYear01

(3.24%)

Past 5 Years

rr_AverageAnnualReturnYear05

0.55%

Past 10 Years

rr_AverageAnnualReturnYear10

7.55%

A, B, C Shares | Undiscovered Managers Behavioral Value Fund | Return After Taxes on Distributions | Class A

Risk/Return:

rr_RiskReturnAbstract

Past 1 Year

rr_AverageAnnualReturnYear01

(6.88%)

Past 5 Years

rr_AverageAnnualReturnYear05

(0.26%)

Past 10 Years

rr_AverageAnnualReturnYear10

6.74%

A, B, C Shares | Undiscovered Managers Behavioral Value Fund | Return After Taxes on Distributions and Sale of Fund Shares | Class A

Risk/Return:

rr_RiskReturnAbstract

Past 1 Year

rr_AverageAnnualReturnYear01

(4.45%)

Past 5 Years

rr_AverageAnnualReturnYear05

(0.07%)

Past 10 Years

rr_AverageAnnualReturnYear10

6.31%

A, B, C Shares | Undiscovered Managers Behavioral Value Fund | RUSSELL 2000 VALUE INDEX (Reflects No Deduction for Fees, Expenses or Taxes)

Risk/Return:

rr_RiskReturnAbstract

Past 1 Year

rr_AverageAnnualReturnYear01

(5.50%)

Past 5 Years

rr_AverageAnnualReturnYear05

(1.87%)

Past 10 Years

rr_AverageAnnualReturnYear10

6.40%

A, B, C Shares | Undiscovered Managers Behavioral Value Fund | LIPPER SMALL-CAP VALUE FUNDS INDEX (Reflects No Deduction for Taxes)

Risk/Return:

rr_RiskReturnAbstract

Past 1 Year

rr_AverageAnnualReturnYear01

(4.82%)

Past 5 Years

rr_AverageAnnualReturnYear05

0.41%

Past 10 Years

rr_AverageAnnualReturnYear10

7.34%

[1] (under $1 million)

[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 of Class A, Class B and Class C Shares (excluding Acquired Fund Fees and Expenses, dividend expenses related 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 1.30%, 1.80% and 1.80%, respectively, of their average daily net assets. This contract cannot be terminated prior to 1/1/15, at which time the Service Providers will determine whether or not to renew or revise it.

XML

A, B, C Shares | Undiscovered Managers Behavioral Value Fund

Undiscovered Managers Behavioral Value Fund

Class/Ticker: A/UBVAX; B/UBVBX; C/UBVCX

What is the goal of the Fund?

Capital appreciation.

Fees and Expenses of the Fund

The following tables describe the fees and expenses that you may pay if you buy and hold shares of the Fund. “Acquired Fund Fees and Expenses” are expenses incurred indirectly by the Fund through its ownership of shares in other investment companies, including affiliated money market funds, other mutual funds, exchange-traded funds and business development companies. The impact of Acquired Fund Fees and Expenses is included in the total returns of the Fund. Acquired Fund Fees and Expenses are not direct costs of the Fund, are not used to calculate the Fund’s net asset value per share and are not included in the calculation of the ratio of expenses to average net assets shown in the Financial Highlights section of the Fund’s prospectus. You may qualify for sales charge discounts on purchases of Class A Shares if you and your family invest, or agree to invest in the future, at least $50,000 in the J.P. Morgan Funds. More information about these and other discounts is available from your financial intermediary and in “How to Do Business with the Funds — SALES CHARGES” on page 17 of the prospectus and in “PURCHASES, REDEMPTIONS AND EXCHANGES” in Appendix A to Part II of the Statement of Additional Information.

SHAREHOLDER FEES (Fees paid directly from your investment)

Shareholder Fees A, B, C Shares Undiscovered Managers Behavioral Value Fund	Class A		Class B	Class C
Maximum Sales Charge (Load) Imposed on Purchases as a % of the Offering Price	5.25%		none	none
Maximum Deferred Sales Charge (Load) as a % of Original Cost of the Shares	none	[1]	5.00%	1.00%

ANNUAL FUND OPERATING EXPENSES
(Expenses that you pay each year as a percentage of the value
of your investment)

Annual Fund Operating Expenses A, B, C Shares Undiscovered Managers Behavioral Value Fund		Class A	Class B	Class C
Management Fees		1.05%	1.05%	1.05%
Distribution (Rule 12b-1) Fees		0.25%	0.75%	0.75%
Other Expenses		0.83%	0.88%	0.86%
Shareholder Service Fees		0.25%	0.25%	0.25%
Remainder of Other Expenses		0.58%	0.63%	0.61%
Acquired Fund Fees and Expenses		0.13%	0.13%	0.13%
Total Annual Fund Operating Expenses		2.26%	2.81%	2.79%
Fee Waivers and Expense Reimbursements	[1]	(0.83%)	(0.88%)	(0.86%)
Total Annual Fund Operating Expenses After Fee Waivers and Expense Reimbursements	[1]	1.43%	1.93%	1.93%

Example

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 fee table through 12/31/14 and total annual fund operating expenses thereafter. Your actual costs may be higher or lower.

IF YOU SELL YOUR SHARES, YOUR COST WOULD BE:

Expense Example A, B, C Shares Undiscovered Managers Behavioral Value Fund (USD $)	1 Year	3 Years	5 Years	10 Years
CLASS A SHARES	663	1,119	1,600	2,923
CLASS B SHARES	696	1,088	1,606	2,942
CLASS C SHARES	296	784	1,398	3,056

IF YOU DO NOT SELL YOUR SHARES, YOUR COST
WOULD BE:

Expense Example, No Redemption A, B, C Shares Undiscovered Managers Behavioral Value Fund (USD $)	1 Year	3 Years	5 Years	10 Years
CLASS A SHARES	663	1,119	1,600	2,923
CLASS B SHARES	196	788	1,406	2,942
CLASS C SHARES	196	784	1,398	3,056

Portfolio Turnover

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 61% of the average value of its portfolio.

What are the Fund’s main investment strategies?

The Fund seeks to achieve its objective by investing primarily in common stocks of U.S. companies that the Fund's sub-adviser, Fuller & Thaler Asset Management, Inc. (Fuller & Thaler), believes have value characteristics. Such common stocks include stocks of small capitalization companies, similar to those that are included in the Russell 2000 Value Index and real estate investment trusts (REITs).

A REIT is a pooled investment vehicle that generally invests in income-producing real estate or real estate-related loans or interests. REITs are classified as equity REITs, mortgage REITs, or hybrid REITs. Equity REITs, which invest the majority of their assets directly in real property, derive their income primarily from rents.

In selecting stocks for the Fund, Fuller & Thaler applies principles based on behavioral finance. Fuller & Thaler believes that behavioral biases on the part of investors may cause the market to overreact to old, negative information and underreact to new, positive information concerning a company. In an effort to take advantage of such behavioral biases, Fuller & Thaler begins by looking at companies that have price-to-earnings ratios below the median in their industry group or decreasing stock values on an absolute basis. Within such universes of stocks, Fuller & Thaler selects investments for the Fund based on such factors as recent under-performance of the company's stock relative to the market, significant share purchases by company insiders or stock repurchase activity by the company. The adviser selects stocks at prices that it believes are temporarily low relative to factors such as the company's earnings, cash flow or dividends.

The Fund’s Main Investment Risks

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.

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 the 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.

Behavioral Strategy Risk. When taking investment positions, Fuller & Thaler will apply principles based on behavioral finance. In order to take advantage of behavioral biases, Fuller & Thaler generally focuses on certain markers of possible under- and overreaction. Securities identified using this type of strategy may perform differently from the market as a whole as a result of the factors used in the analysis, the weight placed on each factor, and changes in the factor's historical trends. The factors used in implementing this strategy and the weight placed on those factors may not be predictive of a security's value, and the effectiveness of the factors can change over time. These changes may not be reflected in the current analytical approach used to implement the behavioral strategy.

Smaller Cap Company Risk. Investments in securities of mid cap and small cap companies may be riskier, more volatile and more vulnerable to economic, market and industry changes than investments in larger, more established companies. As a result, share price changes may be more sudden or erratic than the prices of other equity securities, especially over the short term.

Value Investing Risk. A value 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.

Real Estate Securities Risk. The Fund's investments in real estate securities, including REITs, are subject to the same risks as direct investments in real estate and mortgages, and their value will depend on the value of the underlying real estate interests. These risks include default, prepayments, changes in value resulting from changes in interest rates and demand for real and rental property and the management skill and creditworthiness of REIT issuers. The Fund will indirectly bear its proportionate share of expenses, including management fees, paid by each REIT in which it invests in addition to the expenses of the Fund.

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, occur in times of overall market turmoil or declining prices for the securities sold, or when the securities the Fund wishes to or is required to sell are illiquid.

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.

The Fund’s Past Performance

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 A Shares has varied from year to year for the past ten calendar years. The table shows the average annual total returns over the past one year, five years and ten years. The table compares that performance to the Russell 2000^® Value Index and the Lipper Small-Cap Value Funds Index, an index based on the total returns of certain mutual funds within the Fund’s designated category as determined by Lipper. Unlike the other index, the Lipper index includes the expenses of the mutual funds included in the index. The performance of Class A, Class B and Class C Shares prior to their inception is based on the performance of the Institutional Class Shares. The actual returns of Class A, Class B and Class C Shares would have been lower than those shown because Class A, Class B, and Class C Shares have higher expenses than Institutional Class Shares. Past performance (before and after taxes) is not necessarily an indication of how any class of the Fund will perform in the future. Updated performance information is available by visiting www.jpmorganfunds.com or by calling 1-800-480-4111. The performance figures in the bar chart do not reflect any deduction for the front-end sales load which is assessed on Class A Shares. If the load were reflected, the performance figures would have been lower.

YEAR-BY-YEAR RETURNS

Best Quarter	2nd quarter, 2003	36.17%
Worst Quarter	3rd quarter, 2011	–24.33%

The Fund's year-to-date total return through 9/30/12 was 16.23%.

AVERAGE ANNUAL TOTAL RETURNS
(For periods ended December 31, 2011)

Average Annual Total Returns A, B, C Shares Undiscovered Managers Behavioral Value Fund	Past 1 Year	Past 5 Years	Past 10 Years
CLASS A SHARES	(6.87%)	(0.05%)	7.37%
CLASS A SHARES Return After Taxes on Distributions	(6.88%)	(0.26%)	6.74%
CLASS A SHARES Return After Taxes on Distributions and Sale of Fund Shares	(4.45%)	(0.07%)	6.31%
CLASS B SHARES	(7.24%)	0.15%	7.55%
CLASS C SHARES	(3.24%)	0.55%	7.55%
RUSSELL 2000 VALUE INDEX (Reflects No Deduction for Fees, Expenses or Taxes)	(5.50%)	(1.87%)	6.40%
LIPPER SMALL-CAP VALUE FUNDS INDEX (Reflects No Deduction for Taxes)	(4.82%)	0.41%	7.34%

The after-tax returns are shown only for the Class A 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 your tax situation and may differ from those shown. 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.

[1] (under $1 million)

[1] 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 of Class A, Class B and Class C Shares (excluding Acquired Fund Fees and Expenses, dividend expenses related 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 1.30%, 1.80% and 1.80%, respectively, of their average daily net assets. This contract cannot be terminated prior to 1/1/15, at which time the Service Providers will determine whether or not to renew or revise it.

XML

Label

Element

Value

Risk/Return:

rr_RiskReturnAbstract

Registrant Name

dei_EntityRegistrantName

UNDISCOVERED MANAGERS FUNDS

Prospectus Date

rr_ProspectusDate

Nov. 05, 2013

Select Shares | Undiscovered Managers Behavioral Value Fund

Risk/Return:

rr_RiskReturnAbstract

Risk/Return [Heading]

rr_RiskReturnHeading

Undiscovered Managers Behavioral Value Fund

Class/Ticker: Select/UBVSX

Objective [Heading]

rr_ObjectiveHeading

What is the goal of the Fund?

Objective, Primary [Text Block]

rr_ObjectivePrimaryTextBlock

Capital appreciation.

Expense [Heading]

rr_ExpenseHeading

Fees and Expenses of the Fund

Expense Narrative [Text Block]

rr_ExpenseNarrativeTextBlock

The following table describes the fees and expenses that you may pay if you buy and hold shares of the Fund. “Acquired Fund Fees and Expenses” are expenses incurred indirectly by the Fund through its ownership of shares in other investment companies, including affiliated money market funds, other mutual funds, exchange-traded funds and business development companies. The impact of Acquired Fund Fees and Expenses is included in the total returns of the Fund. Acquired Fund Fees and Expenses are not direct costs of the Fund, are not used to calculate the Fund’s net asset value per share and are not included in the calculation of the ratio of expenses to average net assets shown in the Financial Highlights section of the Fund’s prospectus.

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

12/31/14

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 61% of the average value of its portfolio.

Portfolio Turnover, Rate

rr_PortfolioTurnoverRate

61.00%

Other Expenses, New Fund, Based on Estimates [Text]

rr_OtherExpensesNewFundBasedOnEstimates

"Other Expenses" for Select Class Shares are estimated based upon Institutional Class Shares for the most recent fiscal year.

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

rr_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees

Acquired Fund Fees and Expenses are not direct costs of the Fund, are not used to calculate the Fund’s net asset value per share and are not included in the calculation of the ratio of expenses to average net assets shown in the Financial Highlights section of the Fund’s prospectus.

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 fee table through 12/31/14 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 seeks to achieve its objective by investing primarily in common stocks of U.S. companies that the Fund's sub-adviser, Fuller & Thaler Asset Management, Inc. (Fuller & Thaler), believes have value characteristics. Such common stocks include stocks of small capitalization companies, similar to those that are included in the Russell 2000 Value Index and real estate investment trusts (REITs).

A REIT is a pooled investment vehicle that generally invests in income-producing real estate or real estate-related loans or interests. REITs are classified as equity REITs, mortgage REITs, or hybrid REITs. Equity REITs, which invest the majority of their assets directly in real property, derive their income primarily from rents.

In selecting stocks for the Fund, Fuller & Thaler applies principles based on behavioral finance. Fuller & Thaler believes that behavioral biases on the part of investors may cause the market to overreact to old, negative information and underreact to new, positive information concerning a company. In an effort to take advantage of such behavioral biases, Fuller & Thaler begins by looking at companies that have price-to-earnings ratios below the median in their industry group or decreasing stock values on an absolute basis. Within such universes of stocks, Fuller & Thaler selects investments for the Fund based on such factors as recent under-performance of the company's stock relative to the market, significant share purchases by company insiders or stock repurchase activity by the company. The adviser selects stocks at prices that it believes are temporarily low relative to factors such as the company's earnings, cash flow or dividends.

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.

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 the 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.

Behavioral Strategy Risk. When taking investment positions, Fuller & Thaler will apply principles based on behavioral finance. In order to take advantage of behavioral biases, Fuller & Thaler generally focuses on certain markers of possible under- and overreaction. Securities identified using this type of strategy may perform differently from the market as a whole as a result of the factors used in the analysis, the weight placed on each factor, and changes in the factor's historical trends. The factors used in implementing this strategy and the weight placed on those factors may not be predictive of a security's value, and the effectiveness of the factors can change over time. These changes may not be reflected in the current analytical approach used to implement the behavioral strategy.

Smaller Cap Company Risk. Investments in securities of mid cap and small cap companies may be riskier, more volatile and more vulnerable to economic, market and industry changes than investments in larger, more established companies. As a result, share price changes may be more sudden or erratic than the prices of other equity securities, especially over the short term.

Value Investing Risk. A value 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.

Real Estate Securities Risk. The Fund's investments in real estate securities, including REITs, are subject to the same risks as direct investments in real estate and mortgages, and their value will depend on the value of the underlying real estate interests. These risks include default, prepayments, changes in value resulting from changes in interest rates and demand for real and rental property and the management skill and credit-worthiness of REIT issuers. The Fund will indirectly bear its proportionate share of expenses, including management fees, paid by each REIT in which it invests in addition to the expenses of the Fund.

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, occur in times of overall market turmoil or declining prices for the securities sold, or when the securities the Fund wishes to or is required to sell are illiquid.

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 Select Class Shares commenced operations on April 30, 2013 and have limited performance history. As a result, the bar chart shows how the performance of the Fund’s Institutional Class Shares has varied from year to year over the past ten calendar years. The table shows the average annual total returns of the Fund’s Institutional Class Shares over the past one year, five years and ten years. The actual returns of Select Class Shares would have been lower than those shown because Select Class Shares have higher expenses than Institutional Class Shares. The table compares that performance to the Russell 2000^® Value Index and the Lipper Small-Cap Value Funds Index, an index based on the total returns of certain mutual funds within the Fund’s designated category as determined by Lipper. Unlike the other index, the Lipper index includes the expenses of the mutual funds included in the index. Past performance (before and after taxes) is not necessarily an indication of how any class of 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 Institutional Class Shares has varied from year to year over the past ten calendar years. The table shows the average annual total returns of the Fund’s Institutional Class Shares over the past one year, five years and ten years.

Performance Additional Market Index [Text]

rr_PerformanceAdditionalMarketIndex

The table compares that performance to the Russell 2000^® Value Index and the Lipper Small-Cap Value Funds Index, an index based on the total returns of certain mutual funds within the Fund’s designated category as determined by Lipper. Unlike the other index, the Lipper index includes the expenses of the mutual funds included in the index.

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 any class of 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	2nd quarter, 2003	36.17%
Worst Quarter	3rd quarter, 2011	–24.31%

Bar Chart, Returns for Class Not Offered in Prospectus [Text]

rr_BarChartReturnsForClassNotOfferedInProspectus

The Select Class Shares commenced operations on April 30, 2013 and have limited performance history. As a result, the bar chart shows how the performance of the Fund’s Institutional Class Shares has varied from year to year over the past ten calendar years. The table shows the average annual total returns of the Fund’s Institutional Class Shares over the past one year, five years and ten years. The actual returns of Select Class Shares would have been lower than those shown because Select Class Shares have higher expenses than Institutional Class Shares.

Performance Table Heading

rr_PerformanceTableHeading

AVERAGE ANNUAL TOTAL RETURNS
(For periods ended December 31, 2012)

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 your 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 Narrative

rr_PerformanceTableNarrativeTextBlock

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 your 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.

Select Shares | Undiscovered Managers Behavioral Value Fund | Select Class

Risk/Return:

rr_RiskReturnAbstract

Management Fees

rr_ManagementFeesOverAssets

1.05%

Distribution (Rule 12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

none

Shareholder Service Fees

rr_Component1OtherExpensesOverAssets

0.25%

Remainder of Other Expenses

rr_Component2OtherExpensesOverAssets

0.61%

Other Expenses

rr_OtherExpensesOverAssets

0.86%

^[1]

Acquired Fund Fees and Expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.13%

Total Annual Fund Operating Expenses

rr_ExpensesOverAssets

2.04%

Fee Waivers and Expense Reimbursements

rr_FeeWaiverOrReimbursementOverAssets

(0.86%)

^[2]

Total Annual Fund Operating Expenses After Fee Waivers and Expense Reimbursements

rr_NetExpensesOverAssets

1.18%

^[2]

1 Year

rr_ExpenseExampleYear01

$ 120

3 Years

rr_ExpenseExampleYear03

556

5 Years

rr_ExpenseExampleYear05

1,019

10 Years

rr_ExpenseExampleYear10

2,300

1 Year

rr_ExpenseExampleNoRedemptionYear01

120

3 Years

rr_ExpenseExampleNoRedemptionYear03

556

5 Years

rr_ExpenseExampleNoRedemptionYear05

1,019

10 Years

rr_ExpenseExampleNoRedemptionYear10

$ 2,300

Select Shares | Undiscovered Managers Behavioral Value Fund | Institutional Class

Risk/Return:

rr_RiskReturnAbstract

2003

rr_AnnualReturn2003

62.37%

2004

rr_AnnualReturn2004

20.83%

2005

rr_AnnualReturn2005

7.04%

2006

rr_AnnualReturn2006

16.41%

2007

rr_AnnualReturn2007

(8.64%)

2008

rr_AnnualReturn2008

(36.67%)

2009

rr_AnnualReturn2009

41.53%

2010

rr_AnnualReturn2010

31.99%

2011

rr_AnnualReturn2011

(1.53%)

2012

rr_AnnualReturn2012

23.55%

Highest Quarterly Return, Label

rr_HighestQuarterlyReturnLabel

Best Quarter

Highest Quarterly Return, Date

rr_BarChartHighestQuarterlyReturnDate

Jun. 30, 2003

Highest Quarterly Return

rr_BarChartHighestQuarterlyReturn

36.17%

Lowest Quarterly Return, Label

rr_LowestQuarterlyReturnLabel

Worst Quarter

Lowest Quarterly Return, Date

rr_BarChartLowestQuarterlyReturnDate

Sep. 30, 2011

Lowest Quarterly Return

rr_BarChartLowestQuarterlyReturn

(24.31%)

Past 1 Year

rr_AverageAnnualReturnYear01

23.55%

Past 5 Years

rr_AverageAnnualReturnYear05

7.56%

Past 10 Years

rr_AverageAnnualReturnYear10

12.39%

Select Shares | Undiscovered Managers Behavioral Value Fund | Return After Taxes on Distributions | Institutional Class

Risk/Return:

rr_RiskReturnAbstract

Past 1 Year

rr_AverageAnnualReturnYear01

23.55%

Past 5 Years

rr_AverageAnnualReturnYear05

7.54%

Past 10 Years

rr_AverageAnnualReturnYear10

11.89%

Select Shares | Undiscovered Managers Behavioral Value Fund | Return After Taxes on Distributions and Sale of Fund Shares | Institutional Class

Risk/Return:

rr_RiskReturnAbstract

Past 1 Year

rr_AverageAnnualReturnYear01

15.31%

Past 5 Years

rr_AverageAnnualReturnYear05

6.55%

Past 10 Years

rr_AverageAnnualReturnYear10

10.99%

Select Shares | Undiscovered Managers Behavioral Value Fund | RUSSELL 2000 VALUE INDEX (Reflects No Deduction for Fees, Expenses or Taxes)

Risk/Return:

rr_RiskReturnAbstract

Past 1 Year

rr_AverageAnnualReturnYear01

18.05%

Past 5 Years

rr_AverageAnnualReturnYear05

3.55%

Past 10 Years

rr_AverageAnnualReturnYear10

9.50%

Select Shares | Undiscovered Managers Behavioral Value Fund | LIPPER SMALL-CAP VALUE FUNDS INDEX (Reflects No Deduction for Taxes)

Risk/Return:

rr_RiskReturnAbstract

Past 1 Year

rr_AverageAnnualReturnYear01

15.56%

Past 5 Years

rr_AverageAnnualReturnYear05

4.33%

Past 10 Years

rr_AverageAnnualReturnYear10

10.20%

[1] "Other Expenses" for Select Class Shares are estimated based upon Institutional Class Shares for the most recent fiscal year.

[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 of Select Class Shares (excluding Acquired Fund Fees and Expenses, dividend expenses related 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 1.05% of their average daily net assets. This contract cannot be terminated prior to 1/1/15, at which time the Service Providers will determine whether or not to renew or revise it.

XML

Label

Element

Value

Risk/Return:

rr_RiskReturnAbstract

Registrant Name

dei_EntityRegistrantName

UNDISCOVERED MANAGERS FUNDS

Prospectus Date

rr_ProspectusDate

Nov. 05, 2013

R2, R6 Shares | Undiscovered Managers Behavioral Value Fund

Risk/Return:

rr_RiskReturnAbstract

Risk/Return [Heading]

rr_RiskReturnHeading

Undiscovered Managers Behavioral Value Fund

Class/Ticker: R2/UBVRX; R6/UBVFX

Objective [Heading]

rr_ObjectiveHeading

What is the goal of the Fund?

Objective, Primary [Text Block]

rr_ObjectivePrimaryTextBlock

Capital appreciation.

Expense [Heading]

rr_ExpenseHeading

Fees and Expenses of the Fund

Expense Narrative [Text Block]

rr_ExpenseNarrativeTextBlock

The following table describes the fees and expenses that you may pay if you buy and hold shares of the Fund. “Acquired Fund Fees and Expenses” are expenses incurred indirectly by the Fund through its ownership of shares in other investment companies, including affiliated money market funds, other mutual funds, exchange-traded funds and business development companies. The impact of Acquired Fund Fees and Expenses is included in the total returns of the Fund. Acquired Fund Fees and Expenses are not direct costs of the Fund, are not used to calculate the Fund’s net asset value per share and are not included in the calculation of the ratio of expenses to average net assets shown in the Financial Highlights section of the Fund’s prospectus.

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

12/31/14

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 61% of the average value of its portfolio.

Portfolio Turnover, Rate

rr_PortfolioTurnoverRate

61.00%

Other Expenses, New Fund, Based on Estimates [Text]

rr_OtherExpensesNewFundBasedOnEstimates

“Other Expenses” for Class R2 and Class R6 Shares are estimated based upon Institutional Class Shares for the most recent fiscal year.

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

rr_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees

Acquired Fund Fees and Expenses are not direct costs of the Fund, are not used to calculate the Fund’s net asset value per share and are not included in the calculation of the ratio of expenses to average net assets shown in the Financial Highlights section of the Fund’s prospectus.

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 fee table through 12/31/14 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 seeks to achieve its objective by investing primarily in common stocks of U.S. companies that the Fund's sub-adviser, Fuller & Thaler Asset Management, Inc. (Fuller & Thaler), believes have value characteristics. Such common stocks include stocks of small capitalization companies, similar to those that are included in the Russell 2000 Value Index and real estate investment trusts (REITs).

A REIT is a pooled investment vehicle that generally invests in income-producing real estate or real estate-related loans or interests. REITs are classified as equity REITs, mortgage REITs, or hybrid REITs. Equity REITs, which invest the majority of their assets directly in real property, derive their income primarily from rents.

In selecting stocks for the Fund, Fuller & Thaler applies principles based on behavioral finance. Fuller & Thaler believes that behavioral biases on the part of investors may cause the market to overreact to old, negative information and underreact to new, positive information concerning a company. In an effort to take advantage of such behavioral biases, Fuller & Thaler begins by looking at companies that have price-to-earnings ratios below the median in their industry group or decreasing stock values on an absolute basis. Within such universes of stocks, Fuller & Thaler selects investments for the Fund based on such factors as recent under-performance of the company's stock relative to the market, significant share purchases by company insiders or stock repurchase activity by the company. The adviser selects stocks at prices that it believes are temporarily low relative to factors such as the company's earnings, cash flow or dividends.

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.

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 the 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.

Behavioral Strategy Risk. When taking investment positions, Fuller & Thaler will apply principles based on behavioral finance. In order to take advantage of behavioral biases, Fuller & Thaler generally focuses on certain markers of possible under- and overreaction. Securities identified using this type of strategy may perform differently from the market as a whole as a result of the factors used in the analysis, the weight placed on each factor, and changes in the factor's historical trends. The factors used in implementing this strategy and the weight placed on those factors may not be predictive of a security's value, and the effectiveness of the factors can change over time. These changes may not be reflected in the current analytical approach used to implement the behavioral strategy.

Smaller Cap Company Risk. Investments in securities of mid cap and small cap companies may be riskier, more volatile and more vulnerable to economic, market and industry changes than investments in larger, more established companies. As a result, share price changes may be more sudden or erratic than the prices of other equity securities, especially over the short term.

Value Investing Risk. A value 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.

Real Estate Securities Risk. The Fund's investments in real estate securities, including REITs, are subject to the same risks as direct investments in real estate and mortgages, and their value will depend on the value of the underlying real estate interests. These risks include default, prepayments, changes in value resulting from changes in interest rates and demand for real and rental property and the management skill and credit-worthiness of REIT issuers. The Fund will indirectly bear its proportionate share of expenses, including management fees, paid by each REIT in which it invests in addition to the expenses of the Fund.

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, occur in times of overall market turmoil or declining prices for the securities sold, or when the securities the Fund wishes to or is required to sell are illiquid.

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 Class R2 and Class R6 Shares commenced operations on April 30, 2013 and have limited performance history. As a result, the bar chart shows how the performance of the Fund’s Institutional Class Shares has varied from year to year over the past ten calendar years. The table shows the average annual total returns of the Fund’s Institutional Class Shares over the past one year, five years and ten years. The actual returns of Class R2 Shares would have been lower than those shown because Class R2 Shares have higher expenses than Institutional Class Shares. The actual returns of Class R6 Shares would have been different than those shown because Class R6 Shares have different expenses than Institutional Class Shares. The table compares that performance to the Russell 2000^® Value Index and the Lipper Small-Cap Value Funds Index, an index based on the total returns of certain mutual funds within the Fund’s designated category as determined by Lipper. Unlike the other index, the Lipper index includes the expenses of the mutual funds included in the index. Past performance (before and after taxes) is not necessarily an indication of how any class of 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 Institutional Class Shares has varied from year to year over the past ten calendar years. The table shows the average annual total returns of the Fund’s Institutional Class Shares over the past one year, five years and ten years.

Performance Additional Market Index [Text]

rr_PerformanceAdditionalMarketIndex

The table compares that performance to the Russell 2000^® Value Index and the Lipper Small-Cap Value Funds Index, an index based on the total returns of certain mutual funds within the Fund’s designated category as determined by Lipper. Unlike the other index, the Lipper index includes the expenses of the mutual funds included in the index.

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 any class of 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	2nd quarter, 2003	36.17%
Worst Quarter	3rd quarter, 2011	–24.31%

Bar Chart, Returns for Class Not Offered in Prospectus [Text]

rr_BarChartReturnsForClassNotOfferedInProspectus

The Class R2 and Class R6 Shares commenced operations on April 30, 2013 and have limited performance history. As a result, the bar chart shows how the performance of the Fund’s Institutional Class Shares has varied from year to year over the past ten calendar years. The table shows the average annual total returns of the Fund’s Institutional Class Shares over the past one year, five years and ten years. The actual returns of Class R2 Shares would have been lower than those shown because Class R2 Shares have higher expenses than Institutional Class Shares. The actual returns of Class R6 Shares would have been different than those shown because Class R6 Shares have different expenses than Institutional Class Shares.

Performance Table Heading

rr_PerformanceTableHeading

AVERAGE ANNUAL TOTAL RETURNS
(For periods ended December 31, 2012)

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 your 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 Narrative

rr_PerformanceTableNarrativeTextBlock

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 your 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, R6 Shares | Undiscovered Managers Behavioral Value Fund | Class R2

Risk/Return:

rr_RiskReturnAbstract

Management Fees

rr_ManagementFeesOverAssets

1.05%

Distribution (Rule 12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

0.50%

Shareholder Service Fees

rr_Component1OtherExpensesOverAssets

0.25%

Remainder of Other Expenses

rr_Component2OtherExpensesOverAssets

0.61%

Other Expenses

rr_OtherExpensesOverAssets

0.86%

^[1]

Acquired Fund Fees and Expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.13%

Total Annual Fund Operating Expenses

rr_ExpensesOverAssets

2.54%

Fee Waivers and Expense Reimbursements

rr_FeeWaiverOrReimbursementOverAssets

(0.86%)

^[2]

Total Annual Fund Operating Expenses After Fee Waivers and Expense Reimbursements

rr_NetExpensesOverAssets

1.68%

^[2]

1 Year

rr_ExpenseExampleYear01

$ 171

3 Years

rr_ExpenseExampleYear03

709

5 Years

rr_ExpenseExampleYear05

1,273

10 Years

rr_ExpenseExampleYear10

2,811

1 Year

rr_ExpenseExampleNoRedemptionYear01

171

3 Years

rr_ExpenseExampleNoRedemptionYear03

709

5 Years

rr_ExpenseExampleNoRedemptionYear05

1,273

10 Years

rr_ExpenseExampleNoRedemptionYear10

2,811

R2, R6 Shares | Undiscovered Managers Behavioral Value Fund | Class R6

Risk/Return:

rr_RiskReturnAbstract

Management Fees

rr_ManagementFeesOverAssets

1.05%

Distribution (Rule 12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

none

Shareholder Service Fees

rr_Component1OtherExpensesOverAssets

none

Remainder of Other Expenses

rr_Component2OtherExpensesOverAssets

0.61%

Other Expenses

rr_OtherExpensesOverAssets

0.61%

^[1]

Acquired Fund Fees and Expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.13%

Total Annual Fund Operating Expenses

rr_ExpensesOverAssets

1.79%

Fee Waivers and Expense Reimbursements

rr_FeeWaiverOrReimbursementOverAssets

(0.86%)

^[2]

Total Annual Fund Operating Expenses After Fee Waivers and Expense Reimbursements

rr_NetExpensesOverAssets

0.93%

^[2]

1 Year

rr_ExpenseExampleYear01

95

3 Years

rr_ExpenseExampleYear03

480

5 Years

rr_ExpenseExampleYear05

889

10 Years

rr_ExpenseExampleYear10

2,034

1 Year

rr_ExpenseExampleNoRedemptionYear01

95

3 Years

rr_ExpenseExampleNoRedemptionYear03

480

5 Years

rr_ExpenseExampleNoRedemptionYear05

889

10 Years

rr_ExpenseExampleNoRedemptionYear10

$ 2,034

R2, R6 Shares | Undiscovered Managers Behavioral Value Fund | Institutional Class

Risk/Return:

rr_RiskReturnAbstract

2003

rr_AnnualReturn2003

62.37%

2004

rr_AnnualReturn2004

20.83%

2005

rr_AnnualReturn2005

7.04%

2006

rr_AnnualReturn2006

16.41%

2007

rr_AnnualReturn2007

(8.64%)

2008

rr_AnnualReturn2008

(36.67%)

2009

rr_AnnualReturn2009

41.53%

2010

rr_AnnualReturn2010

31.99%

2011

rr_AnnualReturn2011

(1.53%)

2012

rr_AnnualReturn2012

23.55%

Highest Quarterly Return, Label

rr_HighestQuarterlyReturnLabel

Best Quarter

Highest Quarterly Return, Date

rr_BarChartHighestQuarterlyReturnDate

Jun. 30, 2003

Highest Quarterly Return

rr_BarChartHighestQuarterlyReturn

36.17%

Lowest Quarterly Return, Label

rr_LowestQuarterlyReturnLabel

Worst Quarter

Lowest Quarterly Return, Date

rr_BarChartLowestQuarterlyReturnDate

Sep. 30, 2011

Lowest Quarterly Return

rr_BarChartLowestQuarterlyReturn

(24.31%)

Past 1 Year

rr_AverageAnnualReturnYear01

23.55%

Past 5 Years

rr_AverageAnnualReturnYear05

7.56%

Past 10 Years

rr_AverageAnnualReturnYear10

12.39%

R2, R6 Shares | Undiscovered Managers Behavioral Value Fund | Return After Taxes on Distributions | Institutional Class

Risk/Return:

rr_RiskReturnAbstract

Past 1 Year

rr_AverageAnnualReturnYear01

23.55%

Past 5 Years

rr_AverageAnnualReturnYear05

7.54%

Past 10 Years

rr_AverageAnnualReturnYear10

11.89%

R2, R6 Shares | Undiscovered Managers Behavioral Value Fund | Return After Taxes on Distributions and Sale of Fund Shares | Institutional Class

Risk/Return:

rr_RiskReturnAbstract

Past 1 Year

rr_AverageAnnualReturnYear01

15.31%

Past 5 Years

rr_AverageAnnualReturnYear05

6.55%

Past 10 Years

rr_AverageAnnualReturnYear10

10.99%

R2, R6 Shares | Undiscovered Managers Behavioral Value Fund | RUSSELL 2000 VALUE INDEX (Reflects No Deduction for Fees, Expenses or Taxes)

Risk/Return:

rr_RiskReturnAbstract

Past 1 Year

rr_AverageAnnualReturnYear01

18.05%

Past 5 Years

rr_AverageAnnualReturnYear05

3.55%

Past 10 Years

rr_AverageAnnualReturnYear10

9.50%

R2, R6 Shares | Undiscovered Managers Behavioral Value Fund | LIPPER SMALL-CAP VALUE FUNDS INDEX (Reflects No Deduction for Taxes)

Risk/Return:

rr_RiskReturnAbstract

Past 1 Year

rr_AverageAnnualReturnYear01

15.56%

Past 5 Years

rr_AverageAnnualReturnYear05

4.33%

Past 10 Years

rr_AverageAnnualReturnYear10

10.20%

[1] "Other Expenses" for Class R2 and Class R6 Shares are estimated based upon Institutional Class Shares for the most recent fiscal year.

[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 related 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 1.55% and 0.80% of the average daily net assets of Class R2 and Class R6 Shares, respectively. This contract cannot be terminated prior to 1/1/15, at which time the Service Providers will determine whether or not to renew or revise it.

XML

Label

Element

Value

Risk/Return:

rr_RiskReturnAbstract

Registrant Name

dei_EntityRegistrantName

UNDISCOVERED MANAGERS FUNDS

Prospectus Date

rr_ProspectusDate

Nov. 05, 2013

Institutional Shares | Undiscovered Managers Behavioral Value Fund

Risk/Return:

rr_RiskReturnAbstract

Risk/Return [Heading]

rr_RiskReturnHeading

Undiscovered Managers Behavioral Value Fund

Class/Ticker: Institutional/UBVLX

Objective [Heading]

rr_ObjectiveHeading

What is the goal of the Fund?

Objective, Primary [Text Block]

rr_ObjectivePrimaryTextBlock

Capital appreciation.

Expense [Heading]

rr_ExpenseHeading

Fees and Expenses of the Fund

Expense Narrative [Text Block]

rr_ExpenseNarrativeTextBlock

The following table describes the fees and expenses that you may pay if you buy and hold shares of the Fund. “Acquired Fund Fees and Expenses” are expenses incurred indirectly by the Fund through its ownership of shares in other investment companies, including affiliated money market funds, other mutual funds, exchange-traded funds and business development companies. The impact of Acquired Fund Fees and Expenses is included in the total returns of the Fund. Acquired Fund Fees and Expenses are not direct costs of the Fund, are not used to calculate the Fund’s net asset value per share and are not included in the calculation of the ratio of expenses to average net assets shown in the Financial Highlights section of the Fund’s prospectus.

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 in Institutional Class Shares)

Fee Waiver or Reimbursement over Assets, Date of Termination

rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination

12/31/14

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 61% of the average value of its portfolio.

Portfolio Turnover, Rate

rr_PortfolioTurnoverRate

61.00%

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

rr_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees

Acquired Fund Fees and Expenses are not direct costs of the Fund, are not used to calculate the Fund’s net asset value per share and are not included in the calculation of the ratio of expenses to average net assets shown in the Financial Highlights section of the Fund’s prospectus.

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 fee table through 12/31/14 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 seeks to achieve its objective by investing primarily in common stocks of U.S. companies that the Fund’s sub-adviser, Fuller & Thaler Asset Management, Inc. (Fuller & Thaler), believes have value characteristics. Such common stocks include stocks of small capitalization companies, similar to those that are included in the Russell 2000 Value Index and real estate investment trusts (REITs).

A REIT is a pooled investment vehicle that generally invests in income-producing real estate or real estate-related loans or interests. REITs are classified as equity REITs, mortgage REITs, or hybrid REITs. Equity REITs, which invest the majority of their assets directly in real property, derive their income primarily from rents.

In selecting stocks for the Fund, Fuller & Thaler applies principles based on behavioral finance. Fuller & Thaler believes that behavioral biases on the part of investors may cause the market to overreact to old, negative information and underreact to new, positive information concerning a company. In an effort to take advantage of such behavioral biases, Fuller & Thaler begins by looking at companies that have price-to-earnings ratios below the median in their industry group or decreasing stock values on an absolute basis. Within such universes of stocks, Fuller & Thaler selects investments for the Fund based on such factors as recent under-performance of the company’s stock relative to the market, significant share purchases by company insiders or stock repurchase activity by the company. The adviser selects stocks at prices that it believes are temporarily low relative to factors such as the company’s earnings, cash flow or dividends.

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.

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 the 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.

Behavioral Strategy Risk. When taking investment positions, Fuller & Thaler will apply principles based on behavioral finance. In order to take advantage of behavioral biases, Fuller & Thaler generally focuses on certain markers of possible under- and overreaction. Securities identified using this type of strategy may perform differently from the market as a whole as a result of the factors used in the analysis, the weight placed on each factor, and changes in the factor’s historical trends. The factors used in implementing this strategy and the weight placed on those factors may not be predictive of a security’s value, and the effectiveness of the factors can change over time. These changes may not be reflected in the current analytical approach used to implement the behavioral strategy.

Smaller Cap Company Risk. Investments in securities of mid cap and small cap companies may be riskier, more volatile and more vulnerable to economic, market and industry changes than investments in larger, more established companies. As a result, share price changes may be more sudden or erratic than the prices of other equity securities, especially over the short term.

Value Investing Risk. A value 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.

Real Estate Securities Risk. The Fund’s investments in real estate securities, including REITs, are subject to the same risks as direct investments in real estate and mortgages, and their value will depend on the value of the underlying real estate interests. These risks include default, prepayments, changes in value resulting from changes in interest rates and demand for real and rental property and the management skill and credit-worthiness of REIT issuers. The Fund will indirectly bear its proportionate share of expenses, including management fees, paid by each REIT in which it invests in addition to the expenses of the Fund.

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, occur in times of overall market turmoil or declining prices for the securities sold, or when the securities the Fund wishes to or is required to sell are illiquid.

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 Institutional Class Shares has varied from year to year for the past ten calendar years. The table shows the average annual total returns over the past one year, five years and ten years. The table compares that performance to the Russell 2000^® Value Index and the Lipper Small-Cap Value Funds Index, an index based on the total returns of certain mutual funds within the Fund’s designated category as determined by Lipper. Unlike the other index, the Lipper index includes the expenses of the mutual funds included in the index. Past performance (before and after taxes) is not necessarily an indication of how any class of 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 Institutional Class Shares has varied from year to year for the past ten calendar years. The table shows the average annual total returns over the past one year, five years and ten years.

Performance Additional Market Index [Text]

rr_PerformanceAdditionalMarketIndex

The table compares that performance to the Russell 2000^® Value Index and the Lipper Small-Cap Value Funds Index, an index based on the total returns of certain mutual funds within the Fund’s designated category as determined by Lipper. Unlike the other index, the Lipper index includes the expenses of the mutual funds included in the index.

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 any class of 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	2nd quarter, 2003	36.17%
Worst Quarter	3rd quarter, 2011	–24.31%

The Fund’s year-to-date total return through 9/30/12 was 16.44%. 

Performance Table Heading

rr_PerformanceTableHeading

AVERAGE ANNUAL TOTAL RETURNS
(For periods ended December 31, 2011)

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 your 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 Narrative

rr_PerformanceTableNarrativeTextBlock

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 your 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.

Institutional Shares | Undiscovered Managers Behavioral Value Fund | Institutional Class

Risk/Return:

rr_RiskReturnAbstract

Management Fees

rr_ManagementFeesOverAssets

1.05%

Distribution (Rule 12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

none

Shareholder Service Fees

rr_Component1OtherExpensesOverAssets

0.10%

Remainder of Other Expenses

rr_Component2OtherExpensesOverAssets

0.61%

Other Expenses

rr_OtherExpensesOverAssets

0.71%

Acquired Fund Fees and Expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.13%

Total Annual Fund Operating Expenses

rr_ExpensesOverAssets

1.89%

Fee Waivers and Expense Reimbursements

rr_FeeWaiverOrReimbursementOverAssets

(0.86%)

^[1]

Total Annual Fund Operating Expenses After Fee Waivers and Expense Reimbursements

rr_NetExpensesOverAssets

1.03%

^[1]

1 Year

rr_ExpenseExampleYear01

$ 105

3 Years

rr_ExpenseExampleYear03

510

5 Years

rr_ExpenseExampleYear05

941

10 Years

rr_ExpenseExampleYear10

2,141

1 Year

rr_ExpenseExampleNoRedemptionYear01

105

3 Years

rr_ExpenseExampleNoRedemptionYear03

510

5 Years

rr_ExpenseExampleNoRedemptionYear05

941

10 Years

rr_ExpenseExampleNoRedemptionYear10

$ 2,141

2002

rr_AnnualReturn2002

(16.07%)

2003

rr_AnnualReturn2003

62.37%

2004

rr_AnnualReturn2004

20.83%

2005

rr_AnnualReturn2005

7.04%

2006

rr_AnnualReturn2006

16.41%

2007

rr_AnnualReturn2007

(8.64%)

2008

rr_AnnualReturn2008

(36.67%)

2009

rr_AnnualReturn2009

41.53%

2010

rr_AnnualReturn2010

31.99%

2011

rr_AnnualReturn2011

(1.53%)

Year to Date Return, Label

rr_YearToDateReturnLabel

The Fund’s year-to-date total return

Bar Chart, Year to Date Return, Date

rr_BarChartYearToDateReturnDate

Sep. 30, 2012

Bar Chart, Year to Date Return

rr_BarChartYearToDateReturn

16.44%

Highest Quarterly Return, Label

rr_HighestQuarterlyReturnLabel

Best Quarter

Highest Quarterly Return, Date

rr_BarChartHighestQuarterlyReturnDate

Jun. 30, 2003

Highest Quarterly Return

rr_BarChartHighestQuarterlyReturn

36.17%

Lowest Quarterly Return, Label

rr_LowestQuarterlyReturnLabel

Worst Quarter

Lowest Quarterly Return, Date

rr_BarChartLowestQuarterlyReturnDate

Sep. 30, 2011

Lowest Quarterly Return

rr_BarChartLowestQuarterlyReturn

(24.31%)

Past 1 Year

rr_AverageAnnualReturnYear01

(1.53%)

Past 5 Years

rr_AverageAnnualReturnYear05

1.25%

Past 10 Years

rr_AverageAnnualReturnYear10

8.12%

Institutional Shares | Undiscovered Managers Behavioral Value Fund | Return After Taxes on Distributions | Institutional Class

Risk/Return:

rr_RiskReturnAbstract

Past 1 Year

rr_AverageAnnualReturnYear01

(1.59%)

Past 5 Years

rr_AverageAnnualReturnYear05

1.03%

Past 10 Years

rr_AverageAnnualReturnYear10

7.49%

Institutional Shares | Undiscovered Managers Behavioral Value Fund | Return After Taxes on Distributions and Sale of Fund Shares | Institutional Class

Risk/Return:

rr_RiskReturnAbstract

Past 1 Year

rr_AverageAnnualReturnYear01

(0.92%)

Past 5 Years

rr_AverageAnnualReturnYear05

1.04%

Past 10 Years

rr_AverageAnnualReturnYear10

7.00%

Institutional Shares | Undiscovered Managers Behavioral Value Fund | RUSSELL 2000 VALUE INDEX (Reflects No Deduction for Fees, Expenses or Taxes)

Risk/Return:

rr_RiskReturnAbstract

Past 1 Year

rr_AverageAnnualReturnYear01

(5.50%)

Past 5 Years

rr_AverageAnnualReturnYear05

(1.87%)

Past 10 Years

rr_AverageAnnualReturnYear10

6.40%

Institutional Shares | Undiscovered Managers Behavioral Value Fund | LIPPER SMALL-CAP VALUE FUNDS INDEX (Reflects No Deduction for Taxes)

Risk/Return:

rr_RiskReturnAbstract

Past 1 Year

rr_AverageAnnualReturnYear01

(4.82%)

Past 5 Years

rr_AverageAnnualReturnYear05

0.41%

Past 10 Years

rr_AverageAnnualReturnYear10

7.34%

[1] 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 of Institutional Class Shares (excluding Acquired Fund Fees and Expenses, dividend expenses related 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 0.90% of their average daily net assets. This contract cannot be terminated prior to 1/1/15, at which time the Service Providers will determine whether or not to renew or revise it.

XML

Label	Element	Value
Risk/Return:	rr_RiskReturnAbstract
Document Type	dei_DocumentType	Other
Document Period End Date	dei_DocumentPeriodEndDate	Aug. 31, 2012
Registrant Name	dei_EntityRegistrantName	UNDISCOVERED MANAGERS FUNDS
Central Index Key	dei_EntityCentralIndexKey	0001047712
Amendment Flag	dei_AmendmentFlag	false
Document Creation Date	dei_DocumentCreationDate	Nov. 05, 2013
Document Effective Date	dei_DocumentEffectiveDate	Nov. 05, 2013
Prospectus Date	rr_ProspectusDate	Nov. 05, 2013