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Securities Act File No. 033-47641 |
Investment Company Act File No. 811-06650 |
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UNITED STATES |
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SECURITIES AND EXCHANGE COMMISSION |
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Washington, D.C. 20549 |
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FORM N-1A |
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REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 |
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Pre-Effective Amendment No. |
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Post-Effective Amendment No. 50 |
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and/or |
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REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940 |
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Amendment No. 49 |
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LORD ABBETT RESEARCH FUND, INC. |
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Exact Name of Registrant as Specified in Charter |
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90 Hudson Street, Jersey City, New Jersey |
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07302-3973 |
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(Address of Principal Executive Offices) |
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(Zip Code) |
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Registrants Telephone Number, including Area Code: (800) 201-6984 |
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Thomas R. Phillips, Esq. |
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Vice President and Assistant Secretary |
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90 Hudson Street, Jersey City, New Jersey 07302-3973 |
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(Name and Address of Agent for Service) |
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It is proposed that this filing will become effective (check appropriate box) |
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immediately upon filing pursuant to paragraph (b) |
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on (date) pursuant to paragraph (b) |
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60 days after filing pursuant to paragraph (a)(1) |
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on (date) pursuant to paragraph (a)(1) |
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75 days after filing pursuant to paragraph (a)(2) |
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on (date) pursuant to paragraph (a)(2) of Rule 485 |
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If appropriate, check the following box: |
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this post-effective amendment designates a new effective date for a previously filed post-effective amendment. |
SIGNATURES
Pursuant to the requirements of the Securities Act of 1933, as amended, and the Investment Company Act of 1940, as amended, the Registrant certifies that it meets all of the requirements for effectiveness to its Registration Statement under Rule 485(b) under the Securities Act and had duly caused this Post-Effective Amendment to its Registration Statement to be signed on its behalf by the undersigned, duly authorized, in the City of Jersey City, and State of New Jersey as of the 17th day of October, 2012.
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LORD ABBETT RESEARCH FUND, INC. |
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BY: |
/s/ Thomas R. Phillips |
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Thomas R. Phillips |
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Vice President and Assistant Secretary |
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/s/ Joan A. Binstock |
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Joan A. Binstock |
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Chief Financial Officer and Vice President |
Pursuant to the requirements of the Securities Act of 1933, this Registration Statement has been signed below by the following persons in the capacities and on the dates indicated.
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Signatures |
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Robert S. Dow* |
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Chairman, Chief Executive Officer |
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October 17, 2012 |
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and Director |
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Robert S. Dow |
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Daria L. Foster* |
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President and Director |
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October 17, 2012 |
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Daria L. Foster |
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E. Thayer Bigelow* |
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Director |
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October 17, 2012 |
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E. Thayer Bigelow |
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Robert B. Calhoun, Jr.* |
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Director |
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October 17, 2012 |
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Robert B. Calhoun, Jr. |
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Evelyn E. Guernsey* |
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Director |
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October 17, 2012 |
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Evelyn E. Guernsey |
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Julie A. Hill* |
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Director |
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October 17, 2012 |
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Julie A. Hill |
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Franklin W. Hobbs* |
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Director |
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October 17, 2012 |
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Franklin W. Hobbs |
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Thomas J. Neff* |
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Director |
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October 17, 2012 |
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Thomas J. Neff |
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James L.L. Tullis* |
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Director |
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October 17, 2012 |
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James L.L. Tullis |
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By: |
/s/ Thomas R. Phillips |
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Thomas R. Phillips |
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Attorney in Fact* |
POWER OF ATTORNEY
Each person whose signature appears below on this Registration Statement hereby constitutes and appoints Lawrence H. Kaplan, Lawrence B. Stoller, John K. Forst, and Thomas R. Phillips, each of them, with full power to act without the other, his or her true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities (until revoked in writing) to sign any and all Registration Statements of each Fund enumerated on Exhibit A hereto for which such person serves as a Director/Trustee (including Registration Statements on Forms N-1A and N-14 and any amendments thereto), and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing ratifying and confirming all that said attorneys-in-fact and agents or any of them, or their or his or her substitute or substitutes, may lawfully do or cause to be done by virtue hereof.
Pursuant to the requirements of the Securities Act of 1933, this Registration Statement has been signed below by the following persons in the capacities and on the dates indicated.
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Signatures |
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/s/ Robert S. Dow |
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Chairman, CEO and Director/Trustee |
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April 19, 2012 |
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Robert S. Dow |
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/s/ Daria L. Foster |
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President and Director/Trustee |
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April 19, 2012 |
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Daria L. Foster |
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/s/ E. Thayer Bigelow |
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Director/Trustee |
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April 19, 2012 |
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E. Thayer Bigelow |
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/s/ Robert B. Calhoun, Jr. |
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Director/Trustee |
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April 19, 2012 |
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Robert B. Calhoun, Jr. |
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/s/ Evelyn E. Guernsey |
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Director/Trustee |
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April 19, 2012 |
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Evelyn E. Guernsey |
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/s/ Julie A. Hill |
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Director/Trustee |
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April 19, 2012 |
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Julie A. Hill |
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/s/ Franklin W. Hobbs |
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Director/Trustee |
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April 19, 2012 |
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Franklin W. Hobbs |
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/s/ Thomas J. Neff |
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Director/Trustee |
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April 19, 2012 |
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Thomas J. Neff |
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/s/ James L.L. Tullis |
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Director/Trustee |
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April 19, 2012 |
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James L.L. Tullis |
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EXHIBIT A
Lord Abbett Affiliated Fund, Inc.
Lord Abbett Bond-Debenture Fund, Inc.
Lord Abbett Developing Growth Fund, Inc.
Lord Abbett Equity Trust
Lord Abbett Global Fund, Inc.
Lord Abbett Investment Trust
Lord Abbett Mid Cap Stock Fund, Inc.
Lord Abbett Municipal Income Fund, Inc.
Lord Abbett Research Fund, Inc.
Lord Abbett Securities Trust
Lord Abbett Series Fund, Inc.
Lord Abbett Stock Appreciation Fund
Lord Abbett U.S. Government & Government Sponsored Enterprises Money Market Fund, Inc.
EXHIBIT INDEX
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Exhibit No. |
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Description |
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EX-101.INS |
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XBRL Instance Document |
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EX-101.SCH |
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XBRL Taxonomy Extension Schema Document |
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EX-101.DEF |
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XBRL Taxonomy Extension Definition Linkbase |
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EX-101.LAB |
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XBRL Taxonomy Extension Labels Linkbase |
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EX-101.PRE |
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XBRL Taxonomy Extension Presentation Linkbase |
Label | Element | Value | |||||||||||||||||||||||
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Risk/Return: | rr_RiskReturnAbstract | ||||||||||||||||||||||||
Risk/Return [Heading] | rr_RiskReturnHeading | Small-Cap Value Series | |||||||||||||||||||||||
Objective [Heading] | rr_ObjectiveHeading | INVESTMENT OBJECTIVE | |||||||||||||||||||||||
Objective, Primary [Text Block] | rr_ObjectivePrimaryTextBlock | The Fund’s investment objective is long-term capital appreciation. |
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Expense [Heading] | rr_ExpenseHeading | FEES AND EXPENSES | |||||||||||||||||||||||
Expense Narrative [Text Block] | rr_ExpenseNarrativeTextBlock | This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund. You may qualify for sales charge discounts if you and certain members of your family invest, or agree to invest in the future, at least $50,000 in the Lord Abbett Family of Funds. More information about these and other discounts is available from your financial professional and in “Sales Charge Reductions and Waivers” on page 68 of the prospectus and “Purchases, Redemptions, Pricing, and Payments to Dealers” on page 8-1 of the statement of additional information (“SAI”). |
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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) | |||||||||||||||||||||||
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 the annual fund operating expenses or in the example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 41.95% of the average value of its portfolio. |
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Portfolio Turnover, Rate | rr_PortfolioTurnoverRate | 41.95% | |||||||||||||||||||||||
Expense Breakpoint Discounts [Text] | rr_ExpenseBreakpointDiscounts | You may qualify for sales charge discounts if you and certain members of your family invest, or agree to invest in the future, at least $50,000 in the Lord Abbett Family of Funds. | |||||||||||||||||||||||
Expense Breakpoint, Minimum Investment Required [Amount] | rr_ExpenseBreakpointMinimumInvestmentRequiredAmount | $ 50,000 | |||||||||||||||||||||||
Expenses Restated to Reflect Current [Text] | rr_ExpensesRestatedToReflectCurrent | These amounts have been restated from fiscal year amounts to reflect current fees and expenses. | |||||||||||||||||||||||
Expense Example [Heading] | rr_ExpenseExampleHeading | Example | |||||||||||||||||||||||
Expense Example Narrative [Text Block] | rr_ExpenseExampleNarrativeTextBlock | The following 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 at the maximum sales charge, if any, for the time periods indicated and then redeem all of your shares at the end of those periods. The example also assumes that your investment has a 5% return each year, that dividends and distributions are reinvested, and that the Fund’s operating expenses remain the same. The example assumes a deduction of the applicable contingent deferred sales charge (“CDSC”) for the one-year, three-year, and five- year periods for Class B shares and for the one-year period for Class C shares. Class B shares automatically convert to Class A shares after approximately eight years. The expense example for Class B shares for the ten-year period reflects the conversion to Class A shares. The first example assumes that you redeem all of your shares at the end of the periods. Although your actual costs may be higher or lower, based on these assumptions, your costs (including any applicable CDSC) would be as shown below. The second example assumes that you do not redeem and instead keep your shares. |
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Expense Example by, Year, Caption [Text] | rr_ExpenseExampleByYearCaption | If Shares Are Redeemed | |||||||||||||||||||||||
Expense Example, No Redemption, By Year, Caption [Text] | rr_ExpenseExampleNoRedemptionByYearCaption | If Shares Are Not Redeemed | |||||||||||||||||||||||
Strategy [Heading] | rr_StrategyHeading | PRINCIPAL INVESTMENT STRATEGIES | |||||||||||||||||||||||
Strategy Narrative [Text Block] | rr_StrategyNarrativeTextBlock | To pursue its objective, under normal market conditions, the Fund invests at least 80% of its net assets in equity securities of small companies. The Fund invests principally in small U.S. companies that portfolio management believes are undervalued. The Fund may invest in U.S. and foreign (which may include emerging market) companies. Foreign companies may be traded on U.S. or non-U.S. securities exchanges and may include American Depositary Receipts (“ADRs”). The Fund’s investments primarily include the following types of securities and other financial instruments:
At its discretion and consistent with the Fund’s investment objective, the Fund selectively may use derivatives, including futures, forwards, options, and swaps, to hedge against the decline in value of the Fund’s investments and for other risk management purposes, to efficiently gain targeted investment exposure, and to seek to increase the Fund’s investment returns. The Fund generally will sell a security when the Fund believes the security is less likely to benefit from the current market and economic environment, shows signs of deteriorating fundamentals, or has reached its valuation target, among other reasons. The Fund seeks to remain fully invested in accordance with its investment objective; however, in response to adverse economic, market or other unfavorable conditions, the Fund may invest its assets in a temporary defensive manner. |
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Risk [Heading] | rr_RiskHeading | PRINCIPAL RISKS | |||||||||||||||||||||||
Risk Narrative [Text Block] | rr_RiskNarrativeTextBlock | As with any investment in a mutual fund, investing in the Fund involves risk, including the risk that you may receive little or no return on your investment. When you redeem your shares, they may be worth more or less than what you paid for them, which means that you may lose a portion or all of the money you invested in the Fund. The principal risks of investing in the Fund, which could adversely affect its performance, include:
An investment in the Fund is not a deposit of any bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. For more information on the principal risks of the Fund, please see the “More Information About the Funds – Principal Risks” section in the prospectus. |
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Risk Lose Money [Text] | rr_RiskLoseMoney | As with any investment in a mutual fund, investing in the Fund involves risk, including the risk that you may receive little or no return on your investment. When you redeem your shares, they may be worth more or less than what you paid for them, which means that you may lose a portion or all of the money you invested in the Fund. | |||||||||||||||||||||||
Risk Not Insured Depository Institution [Text] | rr_RiskNotInsuredDepositoryInstitution | An investment in the Fund is not a deposit of any bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. | |||||||||||||||||||||||
Bar Chart and Performance Table [Heading] | rr_BarChartAndPerformanceTableHeading | PERFORMANCE | |||||||||||||||||||||||
Performance Narrative [Text Block] | rr_PerformanceNarrativeTextBlock | The bar chart and table below provide some indication of the risks of investing in the Fund by illustrating the variability of the Fund’s returns. Each assumes reinvestment of dividends and distributions. The Fund’s past performance, before and after taxes, is not necessarily an indication of how the Fund will perform in the future. |
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Performance Information Illustrates Variability of Returns [Text] | rr_PerformanceInformationIllustratesVariabilityOfReturns | The bar chart and table below provide some indication of the risks of investing in the Fund by illustrating the variability of the Fund's returns. | |||||||||||||||||||||||
Performance Availability Phone [Text] | rr_PerformanceAvailabilityPhone | 888-522-2388 | |||||||||||||||||||||||
Performance Availability Website Address [Text] | rr_PerformanceAvailabilityWebSiteAddress | www.lordabbett.com | |||||||||||||||||||||||
Performance Past Does Not Indicate Future [Text] | rr_PerformancePastDoesNotIndicateFuture | The Fund's past performance, before and after taxes, is not necessarily an indication of how the Fund will perform in the future. | |||||||||||||||||||||||
Bar Chart [Heading] | rr_BarChartHeading | Bar Chart (per calendar year) - Class A Shares* | |||||||||||||||||||||||
Bar Chart Narrative [Text Block] | rr_BarChartNarrativeTextBlock | The bar chart shows changes in the performance of the Fund's Class A shares from calendar year to calendar year. This chart does not reflect the sales charge applicable to Class A shares. If the sales charge were reflected, returns would be lower. Performance for the Fund's other share classes will vary due to the different expenses each class bears. Updated performance information is available at www.lordabbett.com or by calling 888-522-2388.
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Bar Chart Does Not Reflect Sales Loads [Text] | rr_BarChartDoesNotReflectSalesLoads | This chart does not reflect the sales charge applicable to Class A shares. If the sales charge were reflected, returns would be lower. | |||||||||||||||||||||||
Bar Chart Footnotes [Text Block] | rr_BarChartFootnotesTextBlock |
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Bar Chart Closing [Text Block] | rr_BarChartClosingTextBlock |
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Year to Date Return, Label | rr_YearToDateReturnLabel | The year-to-date return for Class A shares as of June 30, 2012 was 2.13%. | |||||||||||||||||||||||
Bar Chart, Year to Date Return, Date | rr_BarChartYearToDateReturnDate | Jun. 30, 2011 | |||||||||||||||||||||||
Bar Chart, Year to Date Return | rr_BarChartYearToDateReturn | 2.13% | |||||||||||||||||||||||
Highest Quarterly Return, Label | rr_HighestQuarterlyReturnLabel | Best Quarter | |||||||||||||||||||||||
Highest Quarterly Return, Date | rr_BarChartHighestQuarterlyReturnDate | Jun. 30, 2011 | |||||||||||||||||||||||
Highest Quarterly Return | rr_BarChartHighestQuarterlyReturn | 19.73% | |||||||||||||||||||||||
Lowest Quarterly Return, Label | rr_LowestQuarterlyReturnLabel | Worst Quarter | |||||||||||||||||||||||
Lowest Quarterly Return, Date | rr_BarChartLowestQuarterlyReturnDate | Jun. 30, 2011 | |||||||||||||||||||||||
Lowest Quarterly Return | rr_BarChartLowestQuarterlyReturn | (24.62%) | |||||||||||||||||||||||
Performance Table Heading | rr_PerformanceTableHeading | Average Annual Total Returns (for the periods ended December 31, 2011) | |||||||||||||||||||||||
Performance Table Does Reflect Sales Loads | rr_PerformanceTableDoesReflectSalesLoads | The Fund's average annual total returns include applicable sales charges as follows: for Class A shares, the current maximum front-end sales charge of 5.75%; for Class B shares, the current CDSC of 4.00% for the one-year period and 1.00% for the five-year period; and for Class C shares, the performance shown is at net asset value ("NAV") because there is no CDSC for Class C shares for any period one year or greater. There are no sales charges for Class F, I, P, R2, and R3 shares. | |||||||||||||||||||||||
Index No Deduction for Fees, Expenses, Taxes [Text] | rr_IndexNoDeductionForFeesExpensesTaxes | (reflects no deduction for fees, expenses, or taxes) | |||||||||||||||||||||||
Performance Table Uses Highest Federal Rate | rr_PerformanceTableUsesHighestFederalRate | The after-tax returns of Class A shares included in the table below 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 | The after-tax returns shown are not relevant to investors who hold their Fund shares through tax- deferred arrangements such as 401(k) plans or Individual Retirement Accounts ("IRAs"). | |||||||||||||||||||||||
Performance Table One Class of after Tax Shown [Text] | rr_PerformanceTableOneClassOfAfterTaxShown | After-tax returns for other share classes are not shown in the table and will vary from those shown for Class A shares. | |||||||||||||||||||||||
Performance Table Explanation after Tax Higher | rr_PerformanceTableExplanationAfterTaxHigher | In some cases, the return after taxes on distributions and sale of Fund shares may exceed the return before taxes due to a tax benefit resulting from realized losses on a sale of Fund shares at the end of the period that is used to offset other gains. | |||||||||||||||||||||||
Performance Table Narrative | rr_PerformanceTableNarrativeTextBlock | The table below shows how the average annual total returns of the Fund compare to the returns of securities indices. The Fund’s average annual total returns include applicable sales charges as follows: for Class A shares, the current maximum front-end sales charge of 5.75%; for Class B shares, the current CDSC of 4.00% for the one-year period and 1.00% for the five-year period; and for Class C shares, the performance shown is at net asset value (“NAV”) because there is no CDSC for Class C shares for any period one year or greater. There are no sales charges for Class F, I, P, R2, and R3 shares. Class B shares automatically convert to Class A shares at approximately eight years after purchase. All returns for Class B shares for periods greater than eight years reflect this conversion. The after-tax returns of Class A shares included in the table below are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. In some cases, the return after taxes on distributions and sale of Fund shares may exceed the return before taxes due to a tax benefit resulting from realized losses on a sale of Fund shares at the end of the period that is used to offset other gains. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. The after-tax returns shown are not relevant to investors who hold their Fund shares through tax- deferred arrangements such as 401(k) plans or Individual Retirement Accounts (“IRAs”). After-tax returns for other share classes are not shown in the table and will vary from those shown for Class A shares. |
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Russell 2000® Index 9/28/2007 (reflects no deduction for fees, expenses, or taxes)
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Risk/Return: | rr_RiskReturnAbstract | ||||||||||||||||||||||||
1 Year | rr_AverageAnnualReturnYear01 | (4.18%) | |||||||||||||||||||||||
5 Years | rr_AverageAnnualReturnYear05 | 0.15% | |||||||||||||||||||||||
10 Years | rr_AverageAnnualReturnYear10 | 5.62% | |||||||||||||||||||||||
Life of Class | rr_AverageAnnualReturnSinceInception | (0.55%) | |||||||||||||||||||||||
Inception Date for Performance | rr_AverageAnnualReturnInceptionDate | Sep. 28, 2007 | |||||||||||||||||||||||
Russell 2000® Index 3/31/2008 (reflects no deduction for fees, expenses, or taxes)
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Risk/Return: | rr_RiskReturnAbstract | ||||||||||||||||||||||||
1 Year | rr_AverageAnnualReturnYear01 | (4.18%) | |||||||||||||||||||||||
5 Years | rr_AverageAnnualReturnYear05 | 0.15% | |||||||||||||||||||||||
10 Years | rr_AverageAnnualReturnYear10 | 5.62% | |||||||||||||||||||||||
Life of Class | rr_AverageAnnualReturnSinceInception | 3.46% | |||||||||||||||||||||||
Inception Date for Performance | rr_AverageAnnualReturnInceptionDate | Mar. 31, 2008 | |||||||||||||||||||||||
Russell 2000® Value Index 9/28/2007 (reflects no deduction for fees, expenses, or taxes)
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Risk/Return: | rr_RiskReturnAbstract | ||||||||||||||||||||||||
1 Year | rr_AverageAnnualReturnYear01 | (5.50%) | |||||||||||||||||||||||
5 Years | rr_AverageAnnualReturnYear05 | (1.87%) | |||||||||||||||||||||||
10 Years | rr_AverageAnnualReturnYear10 | 6.40% | |||||||||||||||||||||||
Life of Class | rr_AverageAnnualReturnSinceInception | (1.57%) | |||||||||||||||||||||||
Inception Date for Performance | rr_AverageAnnualReturnInceptionDate | Sep. 28, 2007 | |||||||||||||||||||||||
Russell 2000® Value Index 3/31/2008 (reflects no deduction for fees, expenses, or taxes)
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Risk/Return: | rr_RiskReturnAbstract | ||||||||||||||||||||||||
1 Year | rr_AverageAnnualReturnYear01 | (5.50%) | |||||||||||||||||||||||
5 Years | rr_AverageAnnualReturnYear05 | (1.87%) | |||||||||||||||||||||||
10 Years | rr_AverageAnnualReturnYear10 | 6.40% | |||||||||||||||||||||||
Life of Class | rr_AverageAnnualReturnSinceInception | 2.04% | |||||||||||||||||||||||
Inception Date for Performance | rr_AverageAnnualReturnInceptionDate | Mar. 31, 2008 | |||||||||||||||||||||||
Class A
|
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Risk/Return: | rr_RiskReturnAbstract | ||||||||||||||||||||||||
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) | rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice | 5.75% | |||||||||||||||||||||||
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower) | rr_MaximumDeferredSalesChargeOverOther | none | [1] | ||||||||||||||||||||||
Management Fees | rr_ManagementFeesOverAssets | 0.73% | |||||||||||||||||||||||
Distribution and Service (12b-1) Fees | rr_DistributionAndService12b1FeesOverAssets | 0.30% | |||||||||||||||||||||||
Other Expenses | rr_OtherExpensesOverAssets | 0.20% | |||||||||||||||||||||||
Total Annual Fund Operating Expenses | rr_ExpensesOverAssets | 1.23% | |||||||||||||||||||||||
Expense Example, with Redemption, 1 Year | rr_ExpenseExampleYear01 | 693 | |||||||||||||||||||||||
Expense Example, with Redemption, 3 Years | rr_ExpenseExampleYear03 | 943 | |||||||||||||||||||||||
Expense Example, with Redemption, 5 Years | rr_ExpenseExampleYear05 | 1,212 | |||||||||||||||||||||||
Expense Example, with Redemption, 10 Years | rr_ExpenseExampleYear10 | 1,978 | |||||||||||||||||||||||
Expense Example, No Redemption, 1 Year | rr_ExpenseExampleNoRedemptionYear01 | 693 | |||||||||||||||||||||||
Expense Example, No Redemption, 3 Years | rr_ExpenseExampleNoRedemptionYear03 | 943 | |||||||||||||||||||||||
Expense Example, No Redemption, 5 Years | rr_ExpenseExampleNoRedemptionYear05 | 1,212 | |||||||||||||||||||||||
Expense Example, No Redemption, 10 Years | rr_ExpenseExampleNoRedemptionYear10 | 1,978 | |||||||||||||||||||||||
Annual Return 2002 | rr_AnnualReturn2002 | (11.09%) | |||||||||||||||||||||||
Annual Return 2003 | rr_AnnualReturn2003 | 44.94% | |||||||||||||||||||||||
Annual Return 2004 | rr_AnnualReturn2004 | 22.39% | |||||||||||||||||||||||
Annual Return 2005 | rr_AnnualReturn2005 | 13.21% | |||||||||||||||||||||||
Annual Return 2006 | rr_AnnualReturn2006 | 20.42% | |||||||||||||||||||||||
Annual Return 2007 | rr_AnnualReturn2007 | 10.43% | |||||||||||||||||||||||
Annual Return 2008 | rr_AnnualReturn2008 | (31.06%) | |||||||||||||||||||||||
Annual Return 2009 | rr_AnnualReturn2009 | 29.82% | |||||||||||||||||||||||
Annual Return 2010 | rr_AnnualReturn2010 | 26.23% | |||||||||||||||||||||||
Annual Return 2011 | rr_AnnualReturn2011 | (4.61%) | |||||||||||||||||||||||
1 Year | rr_AverageAnnualReturnYear01 | (10.10%) | |||||||||||||||||||||||
5 Years | rr_AverageAnnualReturnYear05 | 2.32% | |||||||||||||||||||||||
10 Years | rr_AverageAnnualReturnYear10 | 9.20% | |||||||||||||||||||||||
Class A | After Taxes on Distributions
|
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Risk/Return: | rr_RiskReturnAbstract | ||||||||||||||||||||||||
1 Year | rr_AverageAnnualReturnYear01 | (10.10%) | |||||||||||||||||||||||
5 Years | rr_AverageAnnualReturnYear05 | 1.76% | |||||||||||||||||||||||
10 Years | rr_AverageAnnualReturnYear10 | 8.00% | |||||||||||||||||||||||
Class A | After Taxes on Distributions and Sale of Fund Shares
|
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Risk/Return: | rr_RiskReturnAbstract | ||||||||||||||||||||||||
1 Year | rr_AverageAnnualReturnYear01 | (6.57%) | |||||||||||||||||||||||
5 Years | rr_AverageAnnualReturnYear05 | 1.87% | |||||||||||||||||||||||
10 Years | rr_AverageAnnualReturnYear10 | 7.72% | |||||||||||||||||||||||
Class B
|
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Risk/Return: | rr_RiskReturnAbstract | ||||||||||||||||||||||||
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) | rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice | none | |||||||||||||||||||||||
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower) | rr_MaximumDeferredSalesChargeOverOther | 5.00% | |||||||||||||||||||||||
Management Fees | rr_ManagementFeesOverAssets | 0.73% | |||||||||||||||||||||||
Distribution and Service (12b-1) Fees | rr_DistributionAndService12b1FeesOverAssets | 1.00% | |||||||||||||||||||||||
Other Expenses | rr_OtherExpensesOverAssets | 0.20% | |||||||||||||||||||||||
Total Annual Fund Operating Expenses | rr_ExpensesOverAssets | 1.93% | |||||||||||||||||||||||
Expense Example, with Redemption, 1 Year | rr_ExpenseExampleYear01 | 696 | |||||||||||||||||||||||
Expense Example, with Redemption, 3 Years | rr_ExpenseExampleYear03 | 906 | |||||||||||||||||||||||
Expense Example, with Redemption, 5 Years | rr_ExpenseExampleYear05 | 1,242 | |||||||||||||||||||||||
Expense Example, with Redemption, 10 Years | rr_ExpenseExampleYear10 | 2,072 | |||||||||||||||||||||||
Expense Example, No Redemption, 1 Year | rr_ExpenseExampleNoRedemptionYear01 | 196 | |||||||||||||||||||||||
Expense Example, No Redemption, 3 Years | rr_ExpenseExampleNoRedemptionYear03 | 606 | |||||||||||||||||||||||
Expense Example, No Redemption, 5 Years | rr_ExpenseExampleNoRedemptionYear05 | 1,042 | |||||||||||||||||||||||
Expense Example, No Redemption, 10 Years | rr_ExpenseExampleNoRedemptionYear10 | 2,072 | |||||||||||||||||||||||
1 Year | rr_AverageAnnualReturnYear01 | (9.07%) | |||||||||||||||||||||||
5 Years | rr_AverageAnnualReturnYear05 | 2.65% | |||||||||||||||||||||||
10 Years | rr_AverageAnnualReturnYear10 | 9.27% | |||||||||||||||||||||||
Class C
|
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Risk/Return: | rr_RiskReturnAbstract | ||||||||||||||||||||||||
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) | rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice | none | |||||||||||||||||||||||
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower) | rr_MaximumDeferredSalesChargeOverOther | 1.00% | [2] | ||||||||||||||||||||||
Management Fees | rr_ManagementFeesOverAssets | 0.73% | |||||||||||||||||||||||
Distribution and Service (12b-1) Fees | rr_DistributionAndService12b1FeesOverAssets | 1.00% | |||||||||||||||||||||||
Other Expenses | rr_OtherExpensesOverAssets | 0.20% | |||||||||||||||||||||||
Total Annual Fund Operating Expenses | rr_ExpensesOverAssets | 1.93% | |||||||||||||||||||||||
Expense Example, with Redemption, 1 Year | rr_ExpenseExampleYear01 | 296 | |||||||||||||||||||||||
Expense Example, with Redemption, 3 Years | rr_ExpenseExampleYear03 | 606 | |||||||||||||||||||||||
Expense Example, with Redemption, 5 Years | rr_ExpenseExampleYear05 | 1,042 | |||||||||||||||||||||||
Expense Example, with Redemption, 10 Years | rr_ExpenseExampleYear10 | 2,254 | |||||||||||||||||||||||
Expense Example, No Redemption, 1 Year | rr_ExpenseExampleNoRedemptionYear01 | 196 | |||||||||||||||||||||||
Expense Example, No Redemption, 3 Years | rr_ExpenseExampleNoRedemptionYear03 | 606 | |||||||||||||||||||||||
Expense Example, No Redemption, 5 Years | rr_ExpenseExampleNoRedemptionYear05 | 1,042 | |||||||||||||||||||||||
Expense Example, No Redemption, 10 Years | rr_ExpenseExampleNoRedemptionYear10 | 2,254 | |||||||||||||||||||||||
1 Year | rr_AverageAnnualReturnYear01 | (5.24%) | |||||||||||||||||||||||
5 Years | rr_AverageAnnualReturnYear05 | 2.83% | |||||||||||||||||||||||
10 Years | rr_AverageAnnualReturnYear10 | 9.14% | |||||||||||||||||||||||
Class F
|
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Risk/Return: | rr_RiskReturnAbstract | ||||||||||||||||||||||||
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) | rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice | none | |||||||||||||||||||||||
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower) | rr_MaximumDeferredSalesChargeOverOther | none | |||||||||||||||||||||||
Management Fees | rr_ManagementFeesOverAssets | 0.73% | |||||||||||||||||||||||
Distribution and Service (12b-1) Fees | rr_DistributionAndService12b1FeesOverAssets | 0.10% | |||||||||||||||||||||||
Other Expenses | rr_OtherExpensesOverAssets | 0.20% | |||||||||||||||||||||||
Total Annual Fund Operating Expenses | rr_ExpensesOverAssets | 1.03% | |||||||||||||||||||||||
Expense Example, with Redemption, 1 Year | rr_ExpenseExampleYear01 | 105 | |||||||||||||||||||||||
Expense Example, with Redemption, 3 Years | rr_ExpenseExampleYear03 | 328 | |||||||||||||||||||||||
Expense Example, with Redemption, 5 Years | rr_ExpenseExampleYear05 | 569 | |||||||||||||||||||||||
Expense Example, with Redemption, 10 Years | rr_ExpenseExampleYear10 | 1,259 | |||||||||||||||||||||||
Expense Example, No Redemption, 1 Year | rr_ExpenseExampleNoRedemptionYear01 | 105 | |||||||||||||||||||||||
Expense Example, No Redemption, 3 Years | rr_ExpenseExampleNoRedemptionYear03 | 328 | |||||||||||||||||||||||
Expense Example, No Redemption, 5 Years | rr_ExpenseExampleNoRedemptionYear05 | 569 | |||||||||||||||||||||||
Expense Example, No Redemption, 10 Years | rr_ExpenseExampleNoRedemptionYear10 | 1,259 | |||||||||||||||||||||||
1 Year | rr_AverageAnnualReturnYear01 | (4.44%) | |||||||||||||||||||||||
Life of Class | rr_AverageAnnualReturnSinceInception | 1.37% | |||||||||||||||||||||||
Inception Date for Performance | rr_AverageAnnualReturnInceptionDate | Sep. 28, 2007 | |||||||||||||||||||||||
Class I
|
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Risk/Return: | rr_RiskReturnAbstract | ||||||||||||||||||||||||
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) | rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice | none | |||||||||||||||||||||||
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower) | rr_MaximumDeferredSalesChargeOverOther | none | |||||||||||||||||||||||
Management Fees | rr_ManagementFeesOverAssets | 0.73% | |||||||||||||||||||||||
Distribution and Service (12b-1) Fees | rr_DistributionAndService12b1FeesOverAssets | none | |||||||||||||||||||||||
Other Expenses | rr_OtherExpensesOverAssets | 0.20% | |||||||||||||||||||||||
Total Annual Fund Operating Expenses | rr_ExpensesOverAssets | 0.93% | |||||||||||||||||||||||
Expense Example, with Redemption, 1 Year | rr_ExpenseExampleYear01 | 95 | |||||||||||||||||||||||
Expense Example, with Redemption, 3 Years | rr_ExpenseExampleYear03 | 296 | |||||||||||||||||||||||
Expense Example, with Redemption, 5 Years | rr_ExpenseExampleYear05 | 515 | |||||||||||||||||||||||
Expense Example, with Redemption, 10 Years | rr_ExpenseExampleYear10 | 1,143 | |||||||||||||||||||||||
Expense Example, No Redemption, 1 Year | rr_ExpenseExampleNoRedemptionYear01 | 95 | |||||||||||||||||||||||
Expense Example, No Redemption, 3 Years | rr_ExpenseExampleNoRedemptionYear03 | 296 | |||||||||||||||||||||||
Expense Example, No Redemption, 5 Years | rr_ExpenseExampleNoRedemptionYear05 | 515 | |||||||||||||||||||||||
Expense Example, No Redemption, 10 Years | rr_ExpenseExampleNoRedemptionYear10 | 1,143 | |||||||||||||||||||||||
1 Year | rr_AverageAnnualReturnYear01 | (4.36%) | |||||||||||||||||||||||
5 Years | rr_AverageAnnualReturnYear05 | 3.84% | |||||||||||||||||||||||
10 Years | rr_AverageAnnualReturnYear10 | 10.21% | |||||||||||||||||||||||
Class P
|
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Risk/Return: | rr_RiskReturnAbstract | ||||||||||||||||||||||||
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) | rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice | none | |||||||||||||||||||||||
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower) | rr_MaximumDeferredSalesChargeOverOther | none | |||||||||||||||||||||||
Management Fees | rr_ManagementFeesOverAssets | 0.73% | |||||||||||||||||||||||
Distribution and Service (12b-1) Fees | rr_DistributionAndService12b1FeesOverAssets | 0.45% | |||||||||||||||||||||||
Other Expenses | rr_OtherExpensesOverAssets | 0.20% | |||||||||||||||||||||||
Total Annual Fund Operating Expenses | rr_ExpensesOverAssets | 1.38% | |||||||||||||||||||||||
Expense Example, with Redemption, 1 Year | rr_ExpenseExampleYear01 | 140 | |||||||||||||||||||||||
Expense Example, with Redemption, 3 Years | rr_ExpenseExampleYear03 | 437 | |||||||||||||||||||||||
Expense Example, with Redemption, 5 Years | rr_ExpenseExampleYear05 | 755 | |||||||||||||||||||||||
Expense Example, with Redemption, 10 Years | rr_ExpenseExampleYear10 | 1,657 | |||||||||||||||||||||||
Expense Example, No Redemption, 1 Year | rr_ExpenseExampleNoRedemptionYear01 | 140 | |||||||||||||||||||||||
Expense Example, No Redemption, 3 Years | rr_ExpenseExampleNoRedemptionYear03 | 437 | |||||||||||||||||||||||
Expense Example, No Redemption, 5 Years | rr_ExpenseExampleNoRedemptionYear05 | 755 | |||||||||||||||||||||||
Expense Example, No Redemption, 10 Years | rr_ExpenseExampleNoRedemptionYear10 | 1,657 | |||||||||||||||||||||||
1 Year | rr_AverageAnnualReturnYear01 | (4.76%) | |||||||||||||||||||||||
5 Years | rr_AverageAnnualReturnYear05 | 3.38% | |||||||||||||||||||||||
10 Years | rr_AverageAnnualReturnYear10 | 9.72% | |||||||||||||||||||||||
Class R2
|
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Risk/Return: | rr_RiskReturnAbstract | ||||||||||||||||||||||||
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) | rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice | none | |||||||||||||||||||||||
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower) | rr_MaximumDeferredSalesChargeOverOther | none | |||||||||||||||||||||||
Management Fees | rr_ManagementFeesOverAssets | 0.73% | |||||||||||||||||||||||
Distribution and Service (12b-1) Fees | rr_DistributionAndService12b1FeesOverAssets | 0.60% | |||||||||||||||||||||||
Other Expenses | rr_OtherExpensesOverAssets | 0.20% | [3] | ||||||||||||||||||||||
Total Annual Fund Operating Expenses | rr_ExpensesOverAssets | 1.53% | [3] | ||||||||||||||||||||||
Expense Example, with Redemption, 1 Year | rr_ExpenseExampleYear01 | 156 | |||||||||||||||||||||||
Expense Example, with Redemption, 3 Years | rr_ExpenseExampleYear03 | 483 | |||||||||||||||||||||||
Expense Example, with Redemption, 5 Years | rr_ExpenseExampleYear05 | 834 | |||||||||||||||||||||||
Expense Example, with Redemption, 10 Years | rr_ExpenseExampleYear10 | 1,824 | |||||||||||||||||||||||
Expense Example, No Redemption, 1 Year | rr_ExpenseExampleNoRedemptionYear01 | 156 | |||||||||||||||||||||||
Expense Example, No Redemption, 3 Years | rr_ExpenseExampleNoRedemptionYear03 | 483 | |||||||||||||||||||||||
Expense Example, No Redemption, 5 Years | rr_ExpenseExampleNoRedemptionYear05 | 834 | |||||||||||||||||||||||
Expense Example, No Redemption, 10 Years | rr_ExpenseExampleNoRedemptionYear10 | 1,824 | |||||||||||||||||||||||
1 Year | rr_AverageAnnualReturnYear01 | (4.90%) | |||||||||||||||||||||||
Life of Class | rr_AverageAnnualReturnSinceInception | 3.83% | |||||||||||||||||||||||
Inception Date for Performance | rr_AverageAnnualReturnInceptionDate | Mar. 31, 2008 | |||||||||||||||||||||||
Class R3
|
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Risk/Return: | rr_RiskReturnAbstract | ||||||||||||||||||||||||
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) | rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice | none | |||||||||||||||||||||||
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower) | rr_MaximumDeferredSalesChargeOverOther | none | |||||||||||||||||||||||
Management Fees | rr_ManagementFeesOverAssets | 0.73% | |||||||||||||||||||||||
Distribution and Service (12b-1) Fees | rr_DistributionAndService12b1FeesOverAssets | 0.50% | |||||||||||||||||||||||
Other Expenses | rr_OtherExpensesOverAssets | 0.20% | |||||||||||||||||||||||
Total Annual Fund Operating Expenses | rr_ExpensesOverAssets | 1.43% | |||||||||||||||||||||||
Expense Example, with Redemption, 1 Year | rr_ExpenseExampleYear01 | 146 | |||||||||||||||||||||||
Expense Example, with Redemption, 3 Years | rr_ExpenseExampleYear03 | 452 | |||||||||||||||||||||||
Expense Example, with Redemption, 5 Years | rr_ExpenseExampleYear05 | 782 | |||||||||||||||||||||||
Expense Example, with Redemption, 10 Years | rr_ExpenseExampleYear10 | 1,713 | |||||||||||||||||||||||
Expense Example, No Redemption, 1 Year | rr_ExpenseExampleNoRedemptionYear01 | 146 | |||||||||||||||||||||||
Expense Example, No Redemption, 3 Years | rr_ExpenseExampleNoRedemptionYear03 | 452 | |||||||||||||||||||||||
Expense Example, No Redemption, 5 Years | rr_ExpenseExampleNoRedemptionYear05 | 782 | |||||||||||||||||||||||
Expense Example, No Redemption, 10 Years | rr_ExpenseExampleNoRedemptionYear10 | $ 1,713 | |||||||||||||||||||||||
1 Year | rr_AverageAnnualReturnYear01 | (4.81%) | |||||||||||||||||||||||
Life of Class | rr_AverageAnnualReturnSinceInception | 3.92% | |||||||||||||||||||||||
Inception Date for Performance | rr_AverageAnnualReturnInceptionDate | Mar. 31, 2008 | |||||||||||||||||||||||
|
Label | Element | Value | |||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Risk/Return: | rr_RiskReturnAbstract | ||||||||||||||||||||||||
Risk/Return [Heading] | rr_RiskReturnHeading | Lord Abbett Growth Opportunities Fund | |||||||||||||||||||||||
Objective [Heading] | rr_ObjectiveHeading | INVESTMENT OBJECTIVE | |||||||||||||||||||||||
Objective, Primary [Text Block] | rr_ObjectivePrimaryTextBlock | The Fund’s investment objective is capital appreciation. |
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Expense [Heading] | rr_ExpenseHeading | FEES AND EXPENSES | |||||||||||||||||||||||
Expense Narrative [Text Block] | rr_ExpenseNarrativeTextBlock | This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund. You may qualify for sales charge discounts if you and certain members of your family invest, or agree to invest in the future, at least $50,000 in the Lord Abbett Family of Funds. More information about these and other discounts is available from your financial professional and in “Sales Charge Reductions and Waivers” on page 68 of the prospectus and “Purchases, Redemptions, Pricing, and Payments to Dealers” on page 8-1 of the statement of additional information (“SAI”). |
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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 | 2014-03-31 | |||||||||||||||||||||||
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 the annual fund operating expenses or in the example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 121.66% of the average value of its portfolio. |
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Portfolio Turnover, Rate | rr_PortfolioTurnoverRate | 121.66% | |||||||||||||||||||||||
Expense Breakpoint Discounts [Text] | rr_ExpenseBreakpointDiscounts | You may qualify for sales charge discounts if you and certain members of your family invest, or agree to invest in the future, at least $50,000 in the Lord Abbett Family of Funds. | |||||||||||||||||||||||
Expense Breakpoint, Minimum Investment Required [Amount] | rr_ExpenseBreakpointMinimumInvestmentRequiredAmount | $ 50,000 | |||||||||||||||||||||||
Expenses Restated to Reflect Current [Text] | rr_ExpensesRestatedToReflectCurrent | These amounts have been updated from fiscal year amounts to reflect current fees and expenses. | |||||||||||||||||||||||
Expense Example [Heading] | rr_ExpenseExampleHeading | Example | |||||||||||||||||||||||
Expense Example Narrative [Text Block] | rr_ExpenseExampleNarrativeTextBlock | The following 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 at the maximum sales charge, if any, for the time periods indicated and then redeem all of your shares at the end of those periods. The example also assumes that your investment has a 5% return each year, that dividends and distributions are reinvested, and that the Fund’s operating expenses remain the same (except that the example takes into account the contractual management fee waiver and expense reimbursement agreement between the Fund and Lord, Abbett & Co. LLC for the term of the agreement). The example assumes a deduction of the applicable contingent deferred sales charge (“CDSC”) for the one-year, three-year, and five-year periods for Class B shares and for the one-year period for Class C shares. Class B shares automatically convert to Class A shares after approximately eight years. The expense example for Class B shares for the ten-year period reflects the conversion to Class A shares. The first example assumes that you redeem all of your shares at the end of the periods. Although your actual costs may be higher or lower, based on these assumptions, your costs (including any applicable CDSC) would be as shown below. The second example assumes that you do not redeem and instead keep your shares. |
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Expense Example by, Year, Caption [Text] | rr_ExpenseExampleByYearCaption | If Shares Are Redeemed | |||||||||||||||||||||||
Expense Example, No Redemption, By Year, Caption [Text] | rr_ExpenseExampleNoRedemptionByYearCaption | If Shares Are Not Redeemed | |||||||||||||||||||||||
Strategy [Heading] | rr_StrategyHeading | PRINCIPAL INVESTMENT STRATEGIES | |||||||||||||||||||||||
Strategy Narrative [Text Block] | rr_StrategyNarrativeTextBlock | Under normal market conditions, the Fund pursues its investment objective by investing at least 65% of its net assets in equity securities of mid-sized companies. The Fund follows a growth style of investing, which means that we favor companies that show the potential for strong revenue and earnings growth. The Fund may invest in U.S. and foreign (which may include emerging market) companies. Foreign companies may be traded on U.S. or non-U.S. securities exchanges and may include American Depositary Receipts (“ADRs”). The Fund’s investments primarily include the following types of securities and other financial instruments:
At its discretion and consistent with the Fund’s investment objective, the Fund selectively may use derivatives, including futures, forwards, options, and swaps, to hedge against the decline in value of the Fund’s investments and for other risk management purposes, to efficiently gain targeted investment exposure, and to seek to increase the Fund’s investment returns. The Fund generally will sell a security when the Fund believes the security is less likely to benefit from the current market and economic environment, shows signs of deteriorating fundamentals, or has reached its valuation target, among other reasons. The Fund seeks to remain fully invested in accordance with its investment objective; however, in response to adverse economic, market or other unfavorable conditions, the Fund may invest its assets in a temporary defensive manner. |
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Risk [Heading] | rr_RiskHeading | PRINCIPAL RISKS | |||||||||||||||||||||||
Risk Narrative [Text Block] | rr_RiskNarrativeTextBlock | As with any investment in a mutual fund, investing in the Fund involves risk, including the risk that you may receive little or no return on your investment. When you redeem your shares, they may be worth more or less than what you paid for them, which means that you may lose a portion or all of the money you invested in the Fund. The principal risks of investing in the Fund, which could adversely affect its performance, include:
An investment in the Fund is not a deposit of any bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. For more information on the principal risks of the Fund, please see the “More Information About the Funds – Principal Risks” section in the prospectus. |
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Risk Lose Money [Text] | rr_RiskLoseMoney | As with any investment in a mutual fund, investing in the Fund involves risk, including the risk that you may receive little or no return on your investment. When you redeem your shares, they may be worth more or less than what you paid for them, which means that you may lose a portion or all of the money you invested in the Fund. | |||||||||||||||||||||||
Risk Not Insured Depository Institution [Text] | rr_RiskNotInsuredDepositoryInstitution | An investment in the Fund is not a deposit of any bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. | |||||||||||||||||||||||
Bar Chart and Performance Table [Heading] | rr_BarChartAndPerformanceTableHeading | PERFORMANCE | |||||||||||||||||||||||
Performance Narrative [Text Block] | rr_PerformanceNarrativeTextBlock | The bar chart and table below provide some indication of the risks of investing in the Fund by illustrating the variability of the Fund’s returns. Each assumes reinvestment of dividends and distributions. The Fund’s past performance, before and after taxes, is not necessarily an indication of how the Fund will perform in the future. |
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Performance Information Illustrates Variability of Returns [Text] | rr_PerformanceInformationIllustratesVariabilityOfReturns | The bar chart and table below provide some indication of the risks of investing in the Fund by illustrating the variability of the Fund's returns. | |||||||||||||||||||||||
Performance Availability Phone [Text] | rr_PerformanceAvailabilityPhone | 888-522-2388 | |||||||||||||||||||||||
Performance Availability Website Address [Text] | rr_PerformanceAvailabilityWebSiteAddress | www.lordabbett.com | |||||||||||||||||||||||
Performance Past Does Not Indicate Future [Text] | rr_PerformancePastDoesNotIndicateFuture | The Fund's past performance, before and after taxes, is not necessarily an indication of how the Fund will perform in the future. | |||||||||||||||||||||||
Bar Chart [Heading] | rr_BarChartHeading | Bar Chart (per calendar year) - Class A Shares* | |||||||||||||||||||||||
Bar Chart Narrative [Text Block] | rr_BarChartNarrativeTextBlock | The bar chart shows changes in the performance of the Fund's Class A shares from calendar year to calendar year. This chart does not reflect the sales charge applicable to Class A shares. If the sales charge were reflected, returns would be lower. Performance for the Fund's other share classes will vary due to the different expenses each class bears. Updated performance information is available at www.lordabbett.com or by calling 888-522-2388.
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Bar Chart Does Not Reflect Sales Loads [Text] | rr_BarChartDoesNotReflectSalesLoads | This chart does not reflect the sales charge applicable to Class A shares. If the sales charge were reflected, returns would be lower. | |||||||||||||||||||||||
Bar Chart Footnotes [Text Block] | rr_BarChartFootnotesTextBlock |
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Bar Chart Closing [Text Block] | rr_BarChartClosingTextBlock |
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Year to Date Return, Label | rr_YearToDateReturnLabel | The year-to-date return for Class A shares as of June 30, 2012 was 9.52%. | |||||||||||||||||||||||
Bar Chart, Year to Date Return, Date | rr_BarChartYearToDateReturnDate | Sep. 30, 2011 | |||||||||||||||||||||||
Bar Chart, Year to Date Return | rr_BarChartYearToDateReturn | 9.52% | |||||||||||||||||||||||
Highest Quarterly Return, Label | rr_HighestQuarterlyReturnLabel | Best Quarter | |||||||||||||||||||||||
Highest Quarterly Return, Date | rr_BarChartHighestQuarterlyReturnDate | Sep. 30, 2011 | |||||||||||||||||||||||
Highest Quarterly Return | rr_BarChartHighestQuarterlyReturn | 17.60% | |||||||||||||||||||||||
Lowest Quarterly Return, Label | rr_LowestQuarterlyReturnLabel | Worst Quarter | |||||||||||||||||||||||
Lowest Quarterly Return, Date | rr_BarChartLowestQuarterlyReturnDate | Sep. 30, 2011 | |||||||||||||||||||||||
Lowest Quarterly Return | rr_BarChartLowestQuarterlyReturn | (24.99%) | |||||||||||||||||||||||
Performance Table Heading | rr_PerformanceTableHeading | Average Annual Total Returns (for the periods ended December 31, 2011) | |||||||||||||||||||||||
Performance Table Does Reflect Sales Loads | rr_PerformanceTableDoesReflectSalesLoads | The Fund's average annual total returns include applicable sales charges as follows: for Class A shares, the current maximum front-end sales charge of 5.75%; for Class B shares, the current CDSC of 4.00% for the one-year period and 1.00% for the five-year period; and for Class C shares, the performance shown is at net asset value ("NAV") because there is no CDSC for Class C shares for any period one year or greater. There are no sales charges for Class F, I, P, R2, and R3 shares. | |||||||||||||||||||||||
Index No Deduction for Fees, Expenses, Taxes [Text] | rr_IndexNoDeductionForFeesExpensesTaxes | (reflects no deduction for fees, expenses, or taxes) | |||||||||||||||||||||||
Performance Table Uses Highest Federal Rate | rr_PerformanceTableUsesHighestFederalRate | The after-tax returns of Class A shares included in the table below 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 | The after-tax returns shown are not relevant to investors who hold their Fund shares through tax- deferred arrangements such as 401(k) plans or Individual Retirement Accounts ("IRAs"). | |||||||||||||||||||||||
Performance Table One Class of after Tax Shown [Text] | rr_PerformanceTableOneClassOfAfterTaxShown | After-tax returns for other share classes are not shown in the table and will vary from those shown for Class A shares. | |||||||||||||||||||||||
Performance Table Explanation after Tax Higher | rr_PerformanceTableExplanationAfterTaxHigher | In some cases, the return after taxes on distributions and sale of Fund shares may exceed the return before taxes due to a tax benefit resulting from realized losses on a sale of Fund shares at the end of the period that is used to offset other gains. | |||||||||||||||||||||||
Performance Table Narrative | rr_PerformanceTableNarrativeTextBlock | The table below shows how the average annual total returns of the Fund compare to the returns of securities indices. The Fund’s average annual total returns include applicable sales charges as follows: for Class A shares, the current maximum front-end sales charge of 5.75%; for Class B shares, the current CDSC of 4.00% for the one-year period and 1.00% for the five-year period; and for Class C shares, the performance shown is at net asset value (“NAV”) because there is no CDSC for Class C shares for any period one year or greater. There are no sales charges for Class F, I, P, R2, and R3 shares. Class B shares automatically convert to Class A shares at approximately eight years after purchase. All returns for Class B shares for periods greater than eight years reflect this conversion. The after-tax returns of Class A shares included in the table below are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. In some cases, the return after taxes on distributions and sale of Fund shares may exceed the return before taxes due to a tax benefit resulting from realized losses on a sale of Fund shares at the end of the period that is used to offset other gains. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. The after-tax returns shown are not relevant to investors who hold their Fund shares through tax- deferred arrangements such as 401(k) plans or Individual Retirement Accounts (“IRAs”). After-tax returns for other share classes are not shown in the table and will vary from those shown for Class A shares. |
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Russell Midcap® Growth Index (reflects no deduction for fees, expenses, or taxes)
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Risk/Return: | rr_RiskReturnAbstract | ||||||||||||||||||||||||
1 Year | rr_AverageAnnualReturnYear01 | (1.65%) | |||||||||||||||||||||||
5 Years | rr_AverageAnnualReturnYear05 | 2.44% | |||||||||||||||||||||||
10 Years | rr_AverageAnnualReturnYear10 | 5.29% | |||||||||||||||||||||||
Life of Class | rr_AverageAnnualReturnSinceInception | (0.11%) | |||||||||||||||||||||||
Inception Date for Performance | rr_AverageAnnualReturnInceptionDate | Sep. 28, 2007 | |||||||||||||||||||||||
Russell Midcap® Index (reflects no deduction for fees, expenses, or taxes)
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Risk/Return: | rr_RiskReturnAbstract | ||||||||||||||||||||||||
1 Year | rr_AverageAnnualReturnYear01 | (1.55%) | |||||||||||||||||||||||
5 Years | rr_AverageAnnualReturnYear05 | 1.41% | |||||||||||||||||||||||
10 Years | rr_AverageAnnualReturnYear10 | 6.99% | |||||||||||||||||||||||
Life of Class | rr_AverageAnnualReturnSinceInception | (0.48%) | |||||||||||||||||||||||
Inception Date for Performance | rr_AverageAnnualReturnInceptionDate | Sep. 28, 2007 | |||||||||||||||||||||||
Class A
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Risk/Return: | rr_RiskReturnAbstract | ||||||||||||||||||||||||
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) | rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice | 5.75% | |||||||||||||||||||||||
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower) | rr_MaximumDeferredSalesChargeOverOther | none | [1] | ||||||||||||||||||||||
Management Fees | rr_ManagementFeesOverAssets | 0.75% | [2] | ||||||||||||||||||||||
Distribution and Service (12b-1) Fees | rr_DistributionAndService12b1FeesOverAssets | 0.35% | |||||||||||||||||||||||
Other Expenses | rr_OtherExpensesOverAssets | 0.31% | |||||||||||||||||||||||
Total Annual Fund Operating Expenses | rr_ExpensesOverAssets | 1.41% | [2],[3] | ||||||||||||||||||||||
Expense Example, with Redemption, 1 Year | rr_ExpenseExampleYear01 | 710 | |||||||||||||||||||||||
Expense Example, with Redemption, 3 Years | rr_ExpenseExampleYear03 | 996 | |||||||||||||||||||||||
Expense Example, with Redemption, 5 Years | rr_ExpenseExampleYear05 | 1,302 | |||||||||||||||||||||||
Expense Example, with Redemption, 10 Years | rr_ExpenseExampleYear10 | 2,169 | |||||||||||||||||||||||
Expense Example, No Redemption, 1 Year | rr_ExpenseExampleNoRedemptionYear01 | 710 | |||||||||||||||||||||||
Expense Example, No Redemption, 3 Years | rr_ExpenseExampleNoRedemptionYear03 | 996 | |||||||||||||||||||||||
Expense Example, No Redemption, 5 Years | rr_ExpenseExampleNoRedemptionYear05 | 1,302 | |||||||||||||||||||||||
Expense Example, No Redemption, 10 Years | rr_ExpenseExampleNoRedemptionYear10 | 2,169 | |||||||||||||||||||||||
Annual Return 2002 | rr_AnnualReturn2002 | (25.25%) | |||||||||||||||||||||||
Annual Return 2003 | rr_AnnualReturn2003 | 33.85% | |||||||||||||||||||||||
Annual Return 2004 | rr_AnnualReturn2004 | 11.52% | |||||||||||||||||||||||
Annual Return 2005 | rr_AnnualReturn2005 | 4.17% | |||||||||||||||||||||||
Annual Return 2006 | rr_AnnualReturn2006 | 7.28% | |||||||||||||||||||||||
Annual Return 2007 | rr_AnnualReturn2007 | 21.05% | |||||||||||||||||||||||
Annual Return 2008 | rr_AnnualReturn2008 | (38.28%) | |||||||||||||||||||||||
Annual Return 2009 | rr_AnnualReturn2009 | 45.37% | |||||||||||||||||||||||
Annual Return 2010 | rr_AnnualReturn2010 | 23.26% | |||||||||||||||||||||||
Annual Return 2011 | rr_AnnualReturn2011 | (10.04%) | |||||||||||||||||||||||
1 Year | rr_AverageAnnualReturnYear01 | (15.21%) | |||||||||||||||||||||||
5 Years | rr_AverageAnnualReturnYear05 | 2.56% | |||||||||||||||||||||||
10 Years | rr_AverageAnnualReturnYear10 | 3.54% | |||||||||||||||||||||||
Class A | After Taxes on Distributions
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Risk/Return: | rr_RiskReturnAbstract | ||||||||||||||||||||||||
1 Year | rr_AverageAnnualReturnYear01 | (17.24%) | |||||||||||||||||||||||
5 Years | rr_AverageAnnualReturnYear05 | 1.39% | |||||||||||||||||||||||
10 Years | rr_AverageAnnualReturnYear10 | 2.76% | |||||||||||||||||||||||
Class A | After Taxes on Distributions and Sale of Fund Shares
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Risk/Return: | rr_RiskReturnAbstract | ||||||||||||||||||||||||
1 Year | rr_AverageAnnualReturnYear01 | (7.28%) | |||||||||||||||||||||||
5 Years | rr_AverageAnnualReturnYear05 | 1.96% | |||||||||||||||||||||||
10 Years | rr_AverageAnnualReturnYear10 | 2.92% | |||||||||||||||||||||||
Class B
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Risk/Return: | rr_RiskReturnAbstract | ||||||||||||||||||||||||
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) | rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice | none | |||||||||||||||||||||||
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower) | rr_MaximumDeferredSalesChargeOverOther | 5.00% | |||||||||||||||||||||||
Management Fees | rr_ManagementFeesOverAssets | 0.75% | [2] | ||||||||||||||||||||||
Distribution and Service (12b-1) Fees | rr_DistributionAndService12b1FeesOverAssets | 1.00% | |||||||||||||||||||||||
Other Expenses | rr_OtherExpensesOverAssets | 0.31% | |||||||||||||||||||||||
Total Annual Fund Operating Expenses | rr_ExpensesOverAssets | 2.06% | [2],[3] | ||||||||||||||||||||||
Expense Example, with Redemption, 1 Year | rr_ExpenseExampleYear01 | 709 | |||||||||||||||||||||||
Expense Example, with Redemption, 3 Years | rr_ExpenseExampleYear03 | 946 | |||||||||||||||||||||||
Expense Example, with Redemption, 5 Years | rr_ExpenseExampleYear05 | 1,308 | |||||||||||||||||||||||
Expense Example, with Redemption, 10 Years | rr_ExpenseExampleYear10 | 2,223 | |||||||||||||||||||||||
Expense Example, No Redemption, 1 Year | rr_ExpenseExampleNoRedemptionYear01 | 209 | |||||||||||||||||||||||
Expense Example, No Redemption, 3 Years | rr_ExpenseExampleNoRedemptionYear03 | 646 | |||||||||||||||||||||||
Expense Example, No Redemption, 5 Years | rr_ExpenseExampleNoRedemptionYear05 | 1,108 | |||||||||||||||||||||||
Expense Example, No Redemption, 10 Years | rr_ExpenseExampleNoRedemptionYear10 | 2,223 | |||||||||||||||||||||||
1 Year | rr_AverageAnnualReturnYear01 | (13.56%) | |||||||||||||||||||||||
5 Years | rr_AverageAnnualReturnYear05 | 2.97% | |||||||||||||||||||||||
10 Years | rr_AverageAnnualReturnYear10 | 3.63% | |||||||||||||||||||||||
Class C
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Risk/Return: | rr_RiskReturnAbstract | ||||||||||||||||||||||||
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) | rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice | none | |||||||||||||||||||||||
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower) | rr_MaximumDeferredSalesChargeOverOther | 1.00% | [4] | ||||||||||||||||||||||
Management Fees | rr_ManagementFeesOverAssets | 0.75% | [2] | ||||||||||||||||||||||
Distribution and Service (12b-1) Fees | rr_DistributionAndService12b1FeesOverAssets | 1.00% | |||||||||||||||||||||||
Other Expenses | rr_OtherExpensesOverAssets | 0.31% | |||||||||||||||||||||||
Total Annual Fund Operating Expenses | rr_ExpensesOverAssets | 2.06% | [2],[3] | ||||||||||||||||||||||
Expense Example, with Redemption, 1 Year | rr_ExpenseExampleYear01 | 309 | |||||||||||||||||||||||
Expense Example, with Redemption, 3 Years | rr_ExpenseExampleYear03 | 646 | |||||||||||||||||||||||
Expense Example, with Redemption, 5 Years | rr_ExpenseExampleYear05 | 1,108 | |||||||||||||||||||||||
Expense Example, with Redemption, 10 Years | rr_ExpenseExampleYear10 | 2,390 | |||||||||||||||||||||||
Expense Example, No Redemption, 1 Year | rr_ExpenseExampleNoRedemptionYear01 | 209 | |||||||||||||||||||||||
Expense Example, No Redemption, 3 Years | rr_ExpenseExampleNoRedemptionYear03 | 646 | |||||||||||||||||||||||
Expense Example, No Redemption, 5 Years | rr_ExpenseExampleNoRedemptionYear05 | 1,108 | |||||||||||||||||||||||
Expense Example, No Redemption, 10 Years | rr_ExpenseExampleNoRedemptionYear10 | 2,390 | |||||||||||||||||||||||
1 Year | rr_AverageAnnualReturnYear01 | (10.61%) | |||||||||||||||||||||||
5 Years | rr_AverageAnnualReturnYear05 | 3.12% | |||||||||||||||||||||||
10 Years | rr_AverageAnnualReturnYear10 | 3.50% | |||||||||||||||||||||||
Class F
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Risk/Return: | rr_RiskReturnAbstract | ||||||||||||||||||||||||
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) | rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice | none | |||||||||||||||||||||||
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower) | rr_MaximumDeferredSalesChargeOverOther | none | |||||||||||||||||||||||
Management Fees | rr_ManagementFeesOverAssets | 0.75% | [2] | ||||||||||||||||||||||
Distribution and Service (12b-1) Fees | rr_DistributionAndService12b1FeesOverAssets | 0.10% | |||||||||||||||||||||||
Other Expenses | rr_OtherExpensesOverAssets | 0.31% | |||||||||||||||||||||||
Total Annual Fund Operating Expenses | rr_ExpensesOverAssets | 1.16% | [2],[3] | ||||||||||||||||||||||
Expense Example, with Redemption, 1 Year | rr_ExpenseExampleYear01 | 118 | |||||||||||||||||||||||
Expense Example, with Redemption, 3 Years | rr_ExpenseExampleYear03 | 368 | |||||||||||||||||||||||
Expense Example, with Redemption, 5 Years | rr_ExpenseExampleYear05 | 638 | |||||||||||||||||||||||
Expense Example, with Redemption, 10 Years | rr_ExpenseExampleYear10 | 1,409 | |||||||||||||||||||||||
Expense Example, No Redemption, 1 Year | rr_ExpenseExampleNoRedemptionYear01 | 118 | |||||||||||||||||||||||
Expense Example, No Redemption, 3 Years | rr_ExpenseExampleNoRedemptionYear03 | 368 | |||||||||||||||||||||||
Expense Example, No Redemption, 5 Years | rr_ExpenseExampleNoRedemptionYear05 | 638 | |||||||||||||||||||||||
Expense Example, No Redemption, 10 Years | rr_ExpenseExampleNoRedemptionYear10 | 1,409 | |||||||||||||||||||||||
1 Year | rr_AverageAnnualReturnYear01 | (9.88%) | |||||||||||||||||||||||
Life of Class | rr_AverageAnnualReturnSinceInception | 0.60% | |||||||||||||||||||||||
Inception Date for Performance | rr_AverageAnnualReturnInceptionDate | Sep. 28, 2007 | |||||||||||||||||||||||
Class I
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Risk/Return: | rr_RiskReturnAbstract | ||||||||||||||||||||||||
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) | rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice | none | |||||||||||||||||||||||
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower) | rr_MaximumDeferredSalesChargeOverOther | none | |||||||||||||||||||||||
Management Fees | rr_ManagementFeesOverAssets | 0.75% | [2] | ||||||||||||||||||||||
Distribution and Service (12b-1) Fees | rr_DistributionAndService12b1FeesOverAssets | none | |||||||||||||||||||||||
Other Expenses | rr_OtherExpensesOverAssets | 0.31% | |||||||||||||||||||||||
Total Annual Fund Operating Expenses | rr_ExpensesOverAssets | 1.06% | [2],[3] | ||||||||||||||||||||||
Expense Example, with Redemption, 1 Year | rr_ExpenseExampleYear01 | 108 | |||||||||||||||||||||||
Expense Example, with Redemption, 3 Years | rr_ExpenseExampleYear03 | 337 | |||||||||||||||||||||||
Expense Example, with Redemption, 5 Years | rr_ExpenseExampleYear05 | 585 | |||||||||||||||||||||||
Expense Example, with Redemption, 10 Years | rr_ExpenseExampleYear10 | 1,294 | |||||||||||||||||||||||
Expense Example, No Redemption, 1 Year | rr_ExpenseExampleNoRedemptionYear01 | 108 | |||||||||||||||||||||||
Expense Example, No Redemption, 3 Years | rr_ExpenseExampleNoRedemptionYear03 | 337 | |||||||||||||||||||||||
Expense Example, No Redemption, 5 Years | rr_ExpenseExampleNoRedemptionYear05 | 585 | |||||||||||||||||||||||
Expense Example, No Redemption, 10 Years | rr_ExpenseExampleNoRedemptionYear10 | 1,294 | |||||||||||||||||||||||
1 Year | rr_AverageAnnualReturnYear01 | (9.77%) | |||||||||||||||||||||||
5 Years | rr_AverageAnnualReturnYear05 | 4.14% | |||||||||||||||||||||||
10 Years | rr_AverageAnnualReturnYear10 | 4.50% | |||||||||||||||||||||||
Class P
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Risk/Return: | rr_RiskReturnAbstract | ||||||||||||||||||||||||
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) | rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice | none | |||||||||||||||||||||||
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower) | rr_MaximumDeferredSalesChargeOverOther | none | |||||||||||||||||||||||
Management Fees | rr_ManagementFeesOverAssets | 0.75% | [2] | ||||||||||||||||||||||
Distribution and Service (12b-1) Fees | rr_DistributionAndService12b1FeesOverAssets | 0.45% | |||||||||||||||||||||||
Other Expenses | rr_OtherExpensesOverAssets | 0.31% | |||||||||||||||||||||||
Total Annual Fund Operating Expenses | rr_ExpensesOverAssets | 1.51% | [2],[3] | ||||||||||||||||||||||
Expense Example, with Redemption, 1 Year | rr_ExpenseExampleYear01 | 154 | |||||||||||||||||||||||
Expense Example, with Redemption, 3 Years | rr_ExpenseExampleYear03 | 477 | |||||||||||||||||||||||
Expense Example, with Redemption, 5 Years | rr_ExpenseExampleYear05 | 824 | |||||||||||||||||||||||
Expense Example, with Redemption, 10 Years | rr_ExpenseExampleYear10 | 1,802 | |||||||||||||||||||||||
Expense Example, No Redemption, 1 Year | rr_ExpenseExampleNoRedemptionYear01 | 154 | |||||||||||||||||||||||
Expense Example, No Redemption, 3 Years | rr_ExpenseExampleNoRedemptionYear03 | 477 | |||||||||||||||||||||||
Expense Example, No Redemption, 5 Years | rr_ExpenseExampleNoRedemptionYear05 | 824 | |||||||||||||||||||||||
Expense Example, No Redemption, 10 Years | rr_ExpenseExampleNoRedemptionYear10 | 1,802 | |||||||||||||||||||||||
1 Year | rr_AverageAnnualReturnYear01 | (10.18%) | |||||||||||||||||||||||
5 Years | rr_AverageAnnualReturnYear05 | 3.68% | |||||||||||||||||||||||
10 Years | rr_AverageAnnualReturnYear10 | 4.06% | |||||||||||||||||||||||
Class R2
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Risk/Return: | rr_RiskReturnAbstract | ||||||||||||||||||||||||
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) | rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice | none | |||||||||||||||||||||||
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower) | rr_MaximumDeferredSalesChargeOverOther | none | |||||||||||||||||||||||
Management Fees | rr_ManagementFeesOverAssets | 0.75% | [2] | ||||||||||||||||||||||
Distribution and Service (12b-1) Fees | rr_DistributionAndService12b1FeesOverAssets | 0.60% | |||||||||||||||||||||||
Other Expenses | rr_OtherExpensesOverAssets | 0.31% | |||||||||||||||||||||||
Total Annual Fund Operating Expenses | rr_ExpensesOverAssets | 1.66% | [2],[3] | ||||||||||||||||||||||
Expense Example, with Redemption, 1 Year | rr_ExpenseExampleYear01 | 169 | |||||||||||||||||||||||
Expense Example, with Redemption, 3 Years | rr_ExpenseExampleYear03 | 523 | |||||||||||||||||||||||
Expense Example, with Redemption, 5 Years | rr_ExpenseExampleYear05 | 902 | |||||||||||||||||||||||
Expense Example, with Redemption, 10 Years | rr_ExpenseExampleYear10 | 1,965 | |||||||||||||||||||||||
Expense Example, No Redemption, 1 Year | rr_ExpenseExampleNoRedemptionYear01 | 169 | |||||||||||||||||||||||
Expense Example, No Redemption, 3 Years | rr_ExpenseExampleNoRedemptionYear03 | 523 | |||||||||||||||||||||||
Expense Example, No Redemption, 5 Years | rr_ExpenseExampleNoRedemptionYear05 | 902 | |||||||||||||||||||||||
Expense Example, No Redemption, 10 Years | rr_ExpenseExampleNoRedemptionYear10 | 1,965 | |||||||||||||||||||||||
1 Year | rr_AverageAnnualReturnYear01 | (10.30%) | |||||||||||||||||||||||
Life of Class | rr_AverageAnnualReturnSinceInception | 0.13% | |||||||||||||||||||||||
Inception Date for Performance | rr_AverageAnnualReturnInceptionDate | Sep. 28, 2007 | |||||||||||||||||||||||
Class R3
|
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Risk/Return: | rr_RiskReturnAbstract | ||||||||||||||||||||||||
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) | rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice | none | |||||||||||||||||||||||
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower) | rr_MaximumDeferredSalesChargeOverOther | none | |||||||||||||||||||||||
Management Fees | rr_ManagementFeesOverAssets | 0.75% | [2] | ||||||||||||||||||||||
Distribution and Service (12b-1) Fees | rr_DistributionAndService12b1FeesOverAssets | 0.50% | |||||||||||||||||||||||
Other Expenses | rr_OtherExpensesOverAssets | 0.31% | |||||||||||||||||||||||
Total Annual Fund Operating Expenses | rr_ExpensesOverAssets | 1.56% | [2],[3] | ||||||||||||||||||||||
Expense Example, with Redemption, 1 Year | rr_ExpenseExampleYear01 | 159 | |||||||||||||||||||||||
Expense Example, with Redemption, 3 Years | rr_ExpenseExampleYear03 | 493 | |||||||||||||||||||||||
Expense Example, with Redemption, 5 Years | rr_ExpenseExampleYear05 | 850 | |||||||||||||||||||||||
Expense Example, with Redemption, 10 Years | rr_ExpenseExampleYear10 | 1,856 | |||||||||||||||||||||||
Expense Example, No Redemption, 1 Year | rr_ExpenseExampleNoRedemptionYear01 | 159 | |||||||||||||||||||||||
Expense Example, No Redemption, 3 Years | rr_ExpenseExampleNoRedemptionYear03 | 493 | |||||||||||||||||||||||
Expense Example, No Redemption, 5 Years | rr_ExpenseExampleNoRedemptionYear05 | 850 | |||||||||||||||||||||||
Expense Example, No Redemption, 10 Years | rr_ExpenseExampleNoRedemptionYear10 | $ 1,856 | |||||||||||||||||||||||
1 Year | rr_AverageAnnualReturnYear01 | (10.18%) | |||||||||||||||||||||||
Life of Class | rr_AverageAnnualReturnSinceInception | 0.24% | |||||||||||||||||||||||
Inception Date for Performance | rr_AverageAnnualReturnInceptionDate | Sep. 28, 2007 | |||||||||||||||||||||||
|
Label | Element | Value | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Risk/Return: | rr_RiskReturnAbstract | |||||||||||
Risk/Return [Heading] | rr_RiskReturnHeading | Lord Abbett Calibrated Dividend Growth Fund | ||||||||||
Objective [Heading] | rr_ObjectiveHeading | INVESTMENT OBJECTIVE | ||||||||||
Objective, Primary [Text Block] | rr_ObjectivePrimaryTextBlock | The Fund’s investment objective is to seek current income and capital appreciation. |
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Expense [Heading] | rr_ExpenseHeading | FEES AND EXPENSES | ||||||||||
Expense Narrative [Text Block] | rr_ExpenseNarrativeTextBlock | This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund. You may qualify for sales charge discounts if you and certain members of your family invest, or agree to invest in the future, at least $50,000 in the Lord Abbett Family of Funds. More information about these and other discounts is available from your financial professional and in “Sales Charge Reductions and Waivers” on page 68 of the prospectus and “Purchases, Redemptions, Pricing, and Payments to Dealers” on page 8-1 of the statement of additional information (“SAI”). |
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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 | 2014-03-31 | ||||||||||
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 the annual fund operating expenses or in the example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 22.87% of the average value of its portfolio. |
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Portfolio Turnover, Rate | rr_PortfolioTurnoverRate | 22.87% | ||||||||||
Expense Breakpoint Discounts [Text] | rr_ExpenseBreakpointDiscounts | You may qualify for sales charge discounts if you and certain members of your family invest, or agree to invest in the future, at least $50,000 in the Lord Abbett Family of Funds. | ||||||||||
Expense Breakpoint, Minimum Investment Required [Amount] | rr_ExpenseBreakpointMinimumInvestmentRequiredAmount | $ 50,000 | ||||||||||
Expenses Restated to Reflect Current [Text] | rr_ExpensesRestatedToReflectCurrent | This amount has been updated from fiscal year amounts to reflect current fees and expenses. | ||||||||||
Expense Example [Heading] | rr_ExpenseExampleHeading | Example | ||||||||||
Expense Example Narrative [Text Block] | rr_ExpenseExampleNarrativeTextBlock | The following 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 at the maximum sales charge, if any, for the time periods indicated and then redeem all of your shares at the end of those periods. The example also assumes that your investment has a 5% return each year, that dividends and distributions are reinvested, and that the Fund’s operating expenses remain the same (except that the example takes into account the contractual management fee waiver and expense reimbursement agreement between the Fund and Lord, Abbett & Co. LLC (“Lord Abbett”) for the term of the agreement). The example assumes a deduction of the applicable contingent deferred sales charge (“CDSC”) for the one-year, three-year, and five-year periods for Class B shares and for the one-year period for Class C shares. Class B shares automatically convert to Class A shares after approximately eight years. The expense example for Class B shares for the ten-year period reflects the conversion to Class A shares. The first example assumes that you redeem all of your shares at the end of the periods. Although your actual costs may be higher or lower, based on these assumptions, your costs (including any applicable CDSC) would be as shown below. The second example assumes that you do not redeem and instead keep your shares. |
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Expense Example by, Year, Caption [Text] | rr_ExpenseExampleByYearCaption | If Shares Are Redeemed | ||||||||||
Expense Example, No Redemption, By Year, Caption [Text] | rr_ExpenseExampleNoRedemptionByYearCaption | If Shares Are Not Redeemed | ||||||||||
Strategy [Heading] | rr_StrategyHeading | PRINCIPAL INVESTMENT STRATEGIES | ||||||||||
Strategy Narrative [Text Block] | rr_StrategyNarrativeTextBlock | The Fund invests principally in equity securities of large and mid-sized companies that have a history of increasing dividends and that have the potential for capital appreciation. The Fund’s portfolio management team uses fundamental research and quantitative analysis to select the Fund’s investments, while seeking to maintain an investment portfolio with industry, sector, and capitalization weightings and other portfolio characteristics that generally are similar to those of the S&P 900 10-Year Dividend Growth Index (the “Dividend Growth Index”). The Dividend Growth Index is the exclusive property of Standard & Poor’s Financial Services LLC (“S&P”). Under a contract with Lord Abbett, S&P administers, maintains, and calculates the Dividend Growth Index. S&P and its affiliates will have no liability for any errors or omissions in calculating the Dividend Growth Index. The Fund focuses on U.S. large and mid-sized companies that historically have grown their dividends over time, which represent a relatively narrow market segment compared to the broader U.S. equity markets. The Fund also may invest to a lesser extent in foreign companies. Under normal market conditions, the Fund’s investments primarily include the following types of securities and other financial instruments:
The Fund generally will sell a security when the Fund believes the security is less likely to benefit from the current market and economic environment, shows signs of deteriorating fundamentals, or has reached its valuation target, among other reasons. The Fund seeks to remain fully invested in accordance with its investment objective; however, in response to adverse economic, market or other unfavorable conditions, the Fund may invest its assets in a temporary defensive manner. |
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Risk [Heading] | rr_RiskHeading | PRINCIPAL RISKS | ||||||||||
Risk Narrative [Text Block] | rr_RiskNarrativeTextBlock | As with any investment in a mutual fund, investing in the Fund involves risk, including the risk that you may receive little or no return on your investment. When you redeem your shares, they may be worth more or less than what you paid for them, which means that you may lose a portion or all of the money you invested in the Fund. The principal risks of investing in the Fund, which could adversely affect its performance, include:
An investment in the Fund is not a deposit of any bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. For more information on the principal risks of the Fund, please see the “More Information About the Funds – Principal Risks” section in the prospectus. |
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Risk Lose Money [Text] | rr_RiskLoseMoney | As with any investment in a mutual fund, investing in the Fund involves risk, including the risk that you may receive little or no return on your investment. When you redeem your shares, they may be worth more or less than what you paid for them, which means that you may lose a portion or all of the money you invested in the Fund. | ||||||||||
Risk Not Insured Depository Institution [Text] | rr_RiskNotInsuredDepositoryInstitution | An investment in the Fund is not a deposit of any bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. | ||||||||||
Bar Chart and Performance Table [Heading] | rr_BarChartAndPerformanceTableHeading | PERFORMANCE | ||||||||||
Performance Narrative [Text Block] | rr_PerformanceNarrativeTextBlock | The bar chart and table below provide some indication of the risks of investing in the Fund by illustrating the variability of the Fund’s returns. Each assumes reinvestment of dividends and distributions. The Fund’s past performance, before and after taxes, is not necessarily an indication of how the Fund will perform in the future. |
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Performance Information Illustrates Variability of Returns [Text] | rr_PerformanceInformationIllustratesVariabilityOfReturns | The bar chart and table below provide some indication of the risks of investing in the Fund by illustrating the variability of the Fund's returns. | ||||||||||
Performance Additional Market Index [Text] | rr_PerformanceAdditionalMarketIndex | The Fund believes that the Dividend Growth Index is a more appropriate index than the 60% S&P 500 Index/40% Barclays Capital U.S. Aggregate Bond Index, in light of the composition of the Fund's portfolio following implementation of its dividend oriented equity strategy. Because the Dividend Growth Index more closely reflects the market segment in which the Fund invests, the Fund will remove the 60% S&P 500 Index/40% Barclays Capital U.S. Aggregate Bond Index from the performance table in the future. | ||||||||||
Performance Availability Phone [Text] | rr_PerformanceAvailabilityPhone | 888-522-2388 | ||||||||||
Performance Availability Website Address [Text] | rr_PerformanceAvailabilityWebSiteAddress | www.lordabbett.com | ||||||||||
Performance Past Does Not Indicate Future [Text] | rr_PerformancePastDoesNotIndicateFuture | The Fund's past performance, before and after taxes, is not necessarily an indication of how the Fund will perform in the future. | ||||||||||
Bar Chart [Heading] | rr_BarChartHeading | Bar Chart (per calendar year) - Class A Shares* | ||||||||||
Bar Chart Narrative [Text Block] | rr_BarChartNarrativeTextBlock | The bar chart shows changes in the performance of the Fund's Class A shares from calendar year to calendar year. This chart does not reflect the sales charge applicable to Class A shares. If the sales charge were reflected, returns would be lower. Performance for the Fund's other share classes will vary due to the different expenses each class bears. Updated performance information is available at www.lordabbett.com or by calling 888-522-2388. The bar chart and table show performance of the Fund during periods when the Fund operated under the name "Lord Abbett Capital Structure Fund" and invested in a mix of equity and fixed income securities. Effective on or about September 27, 2012, the Fund will implement its present dividend-oriented equity strategy. This change is likely to affect the Fund's performance in the future.
|
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Bar Chart Does Not Reflect Sales Loads [Text] | rr_BarChartDoesNotReflectSalesLoads | This chart does not reflect the sales charge applicable to Class A shares. If the sales charge were reflected, returns would be lower. | ||||||||||
Bar Chart Footnotes [Text Block] | rr_BarChartFootnotesTextBlock | * The year-to-date return for Class A shares as of June 30, 2012 was 6.67%. |
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Bar Chart Closing [Text Block] | rr_BarChartClosingTextBlock |
|
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Year to Date Return, Label | rr_YearToDateReturnLabel | The year-to-date performance for Class A shares as of June 30, 2012 was 6.67%. | ||||||||||
Bar Chart, Year to Date Return, Date | rr_BarChartYearToDateReturnDate | Jun. 30, 2012 | ||||||||||
Bar Chart, Year to Date Return | rr_BarChartYearToDateReturn | 6.67% | ||||||||||
Highest Quarterly Return, Label | rr_HighestQuarterlyReturnLabel | Best Quarter | ||||||||||
Highest Quarterly Return, Date | rr_BarChartHighestQuarterlyReturnDate | Dec. 31, 2003 | ||||||||||
Highest Quarterly Return | rr_BarChartHighestQuarterlyReturn | 12.47% | ||||||||||
Lowest Quarterly Return, Label | rr_LowestQuarterlyReturnLabel | Worst Quarter | ||||||||||
Lowest Quarterly Return, Date | rr_BarChartLowestQuarterlyReturnDate | Sep. 30, 2011 | ||||||||||
Lowest Quarterly Return | rr_BarChartLowestQuarterlyReturn | (13.93%) | ||||||||||
Performance Table Heading | rr_PerformanceTableHeading | Average Annual Total Returns (for the periods ended December 31, 2011) | ||||||||||
Performance Table Does Reflect Sales Loads | rr_PerformanceTableDoesReflectSalesLoads | The Fund's average annual total returns include applicable sales charges as follows: for Class A shares, the current maximum front-end sales charge of 5.75%; for Class B shares, the current CDSC of 4.00% for the one-year period and 1.00% for the five-year period; and for Class C shares, the performance shown is at net asset value ("NAV") because there is no CDSC for Class C shares for any period one year or greater. There are no sales charges for Class F, I, P, R2, and R3 shares. | ||||||||||
Index No Deduction for Fees, Expenses, Taxes [Text] | rr_IndexNoDeductionForFeesExpensesTaxes | (reflects no deduction for fees, expenses, or taxes) | ||||||||||
Performance Table Uses Highest Federal Rate | rr_PerformanceTableUsesHighestFederalRate | The after-tax returns of Class A shares included in the table below 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 | The after-tax returns shown are not relevant to investors who hold their Fund shares through tax- deferred arrangements such as 401(k) plans or Individual Retirement Accounts ("IRAs"). | ||||||||||
Performance Table One Class of after Tax Shown [Text] | rr_PerformanceTableOneClassOfAfterTaxShown | After-tax returns for other share classes are not shown in the table and will vary from those shown for Class A shares. | ||||||||||
Performance Table Explanation after Tax Higher | rr_PerformanceTableExplanationAfterTaxHigher | In some cases, the return after taxes on distributions and sale of Fund shares may exceed the return before taxes due to a tax benefit resulting from realized losses on a sale of Fund shares at the end of the period that is used to offset other gains. | ||||||||||
Performance Table Narrative | rr_PerformanceTableNarrativeTextBlock | The table below shows how the average annual total returns of the Fund compare to the returns of securities indices. The Fund believes that the Dividend Growth Index is a more appropriate index than the 60% S&P 500 Index/40% Barclays Capital U.S. Aggregate Bond Index, in light of the composition of the Fund’s portfolio following implementation of its dividend oriented equity strategy. Because the Dividend Growth Index more closely reflects the market segment in which the Fund invests, the Fund will remove the 60% S&P 500 Index/40% Barclays Capital U.S. Aggregate Bond Index from the performance table in the future. The Fund’s average annual total returns include applicable sales charges as follows: for Class A shares, the current maximum front-end sales charge of 5.75%; for Class B shares, the current CDSC of 4.00% for the one-year period and 1.00% for the five-year period; and for Class C shares, the performance shown is at net asset value (“NAV”) because there is no CDSC for Class C shares for any period one year or greater. There are no sales charges for Class F, I, P, R2, and R3 shares. Class B shares automatically convert to Class A shares at approximately eight years after purchase. All returns for Class B shares for periods greater than eight years reflect this conversion. The after-tax returns of Class A shares included in the table below are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. In some cases, the return after taxes on distributions and sale of Fund shares may exceed the return before taxes due to a tax benefit resulting from realized losses on a sale of Fund shares at the end of the period that is used to offset other gains. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. The after-tax returns shown are not relevant to investors who hold their Fund shares through tax- deferred arrangements such as 401(k) plans or Individual Retirement Accounts (“IRAs”). After-tax returns for other share classes are not shown in the table and will vary from those shown for Class A shares. |
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S&P 500® Index (reflects no deduction for fees, expenses, or taxes)
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Risk/Return: | rr_RiskReturnAbstract | |||||||||||
1 Year | rr_AverageAnnualReturnYear01 | 2.11% | ||||||||||
5 Years | rr_AverageAnnualReturnYear05 | (0.25%) | ||||||||||
10 Years | rr_AverageAnnualReturnYear10 | 2.92% | ||||||||||
Life of Class | rr_AverageAnnualReturnSinceInception | (2.32%) | ||||||||||
Inception Date for Performance | rr_AverageAnnualReturnInceptionDate | Sep. 28, 2007 | ||||||||||
S&P 900 10-Year Dividend Growth Index* (reflects no deduction for fees, expenses, or taxes)
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Risk/Return: | rr_RiskReturnAbstract | |||||||||||
1 Year | rr_AverageAnnualReturnYear01 | [1] | ||||||||||
5 Years | rr_AverageAnnualReturnYear05 | [1] | ||||||||||
10 Years | rr_AverageAnnualReturnYear10 | [1] | ||||||||||
Life of Class | rr_AverageAnnualReturnSinceInception | [1] | ||||||||||
60% S&P 500® Index / 40% Barclays Capital U.S. Aggregate Bond Index (reflects no deduction for fees, expenses, or taxes)
|
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Risk/Return: | rr_RiskReturnAbstract | |||||||||||
1 Year | rr_AverageAnnualReturnYear01 | 4.69% | ||||||||||
5 Years | rr_AverageAnnualReturnYear05 | 2.84% | ||||||||||
10 Years | rr_AverageAnnualReturnYear10 | 4.40% | ||||||||||
Life of Class | rr_AverageAnnualReturnSinceInception | 1.70% | ||||||||||
Inception Date for Performance | rr_AverageAnnualReturnInceptionDate | Sep. 28, 2007 | ||||||||||
Class A
|
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Risk/Return: | rr_RiskReturnAbstract | |||||||||||
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) | rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice | 5.75% | ||||||||||
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower) | rr_MaximumDeferredSalesChargeOverOther | none | [2] | |||||||||
Management Fees | rr_ManagementFeesOverAssets | 0.75% | ||||||||||
Distribution and Service (12b-1) Fees | rr_DistributionAndService12b1FeesOverAssets | 0.25% | [3] | |||||||||
Other Expenses | rr_OtherExpensesOverAssets | 0.22% | ||||||||||
Total Annual Fund Operating Expenses | rr_ExpensesOverAssets | 1.22% | [3] | |||||||||
Management Fee Waiver and/or Expense Reimbursement | rr_FeeWaiverOrReimbursementOverAssets | (0.37%) | [4] | |||||||||
Total Annual Fund Operating Expenses After Management Fee Waiver and/or Expense Reimbursement | rr_NetExpensesOverAssets | 0.85% | [4] | |||||||||
Expense Example, with Redemption, 1 Year | rr_ExpenseExampleYear01 | 657 | ||||||||||
Expense Example, with Redemption, 3 Years | rr_ExpenseExampleYear03 | 887 | ||||||||||
Expense Example, with Redemption, 5 Years | rr_ExpenseExampleYear05 | 1,155 | ||||||||||
Expense Example, with Redemption, 10 Years | rr_ExpenseExampleYear10 | 1,920 | ||||||||||
Expense Example, No Redemption, 1 Year | rr_ExpenseExampleNoRedemptionYear01 | 657 | ||||||||||
Expense Example, No Redemption, 3 Years | rr_ExpenseExampleNoRedemptionYear03 | 887 | ||||||||||
Expense Example, No Redemption, 5 Years | rr_ExpenseExampleNoRedemptionYear05 | 1,155 | ||||||||||
Expense Example, No Redemption, 10 Years | rr_ExpenseExampleNoRedemptionYear10 | 1,920 | ||||||||||
Annual Return 2002 | rr_AnnualReturn2002 | (7.68%) | ||||||||||
Annual Return 2003 | rr_AnnualReturn2003 | 21.79% | ||||||||||
Annual Return 2004 | rr_AnnualReturn2004 | 16.72% | ||||||||||
Annual Return 2005 | rr_AnnualReturn2005 | 3.65% | ||||||||||
Annual Return 2006 | rr_AnnualReturn2006 | 14.78% | ||||||||||
Annual Return 2007 | rr_AnnualReturn2007 | 3.03% | ||||||||||
Annual Return 2008 | rr_AnnualReturn2008 | (27.29%) | ||||||||||
Annual Return 2009 | rr_AnnualReturn2009 | 23.21% | ||||||||||
Annual Return 2010 | rr_AnnualReturn2010 | 14.81% | ||||||||||
Annual Return 2011 | rr_AnnualReturn2011 | (0.23%) | ||||||||||
1 Year | rr_AverageAnnualReturnYear01 | (5.98%) | ||||||||||
5 Years | rr_AverageAnnualReturnYear05 | (0.07%) | ||||||||||
10 Years | rr_AverageAnnualReturnYear10 | 4.52% | ||||||||||
Class A | After Taxes on Distributions
|
||||||||||||
Risk/Return: | rr_RiskReturnAbstract | |||||||||||
1 Year | rr_AverageAnnualReturnYear01 | (6.57%) | ||||||||||
5 Years | rr_AverageAnnualReturnYear05 | (0.96%) | ||||||||||
10 Years | rr_AverageAnnualReturnYear10 | 3.67% | ||||||||||
Class A | After Taxes on Distributions and Sale of Fund Shares
|
||||||||||||
Risk/Return: | rr_RiskReturnAbstract | |||||||||||
1 Year | rr_AverageAnnualReturnYear01 | (3.59%) | ||||||||||
5 Years | rr_AverageAnnualReturnYear05 | (0.39%) | ||||||||||
10 Years | rr_AverageAnnualReturnYear10 | 3.59% | ||||||||||
Class B
|
||||||||||||
Risk/Return: | rr_RiskReturnAbstract | |||||||||||
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) | rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice | none | ||||||||||
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower) | rr_MaximumDeferredSalesChargeOverOther | 5.00% | ||||||||||
Management Fees | rr_ManagementFeesOverAssets | 0.75% | ||||||||||
Distribution and Service (12b-1) Fees | rr_DistributionAndService12b1FeesOverAssets | 1.00% | ||||||||||
Other Expenses | rr_OtherExpensesOverAssets | 0.22% | ||||||||||
Total Annual Fund Operating Expenses | rr_ExpensesOverAssets | 1.97% | ||||||||||
Management Fee Waiver and/or Expense Reimbursement | rr_FeeWaiverOrReimbursementOverAssets | (0.37%) | [4] | |||||||||
Total Annual Fund Operating Expenses After Management Fee Waiver and/or Expense Reimbursement | rr_NetExpensesOverAssets | 1.60% | [4] | |||||||||
Expense Example, with Redemption, 1 Year | rr_ExpenseExampleYear01 | 663 | ||||||||||
Expense Example, with Redemption, 3 Years | rr_ExpenseExampleYear03 | 863 | ||||||||||
Expense Example, with Redemption, 5 Years | rr_ExpenseExampleYear05 | 1,210 | ||||||||||
Expense Example, with Redemption, 10 Years | rr_ExpenseExampleYear10 | 2,055 | ||||||||||
Expense Example, No Redemption, 1 Year | rr_ExpenseExampleNoRedemptionYear01 | 163 | ||||||||||
Expense Example, No Redemption, 3 Years | rr_ExpenseExampleNoRedemptionYear03 | 563 | ||||||||||
Expense Example, No Redemption, 5 Years | rr_ExpenseExampleNoRedemptionYear05 | 1,010 | ||||||||||
Expense Example, No Redemption, 10 Years | rr_ExpenseExampleNoRedemptionYear10 | 2,055 | ||||||||||
1 Year | rr_AverageAnnualReturnYear01 | (4.71%) | ||||||||||
5 Years | rr_AverageAnnualReturnYear05 | 0.31% | ||||||||||
10 Years | rr_AverageAnnualReturnYear10 | 4.60% | ||||||||||
Class C
|
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Risk/Return: | rr_RiskReturnAbstract | |||||||||||
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) | rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice | none | ||||||||||
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower) | rr_MaximumDeferredSalesChargeOverOther | 1.00% | [5] | |||||||||
Management Fees | rr_ManagementFeesOverAssets | 0.75% | ||||||||||
Distribution and Service (12b-1) Fees | rr_DistributionAndService12b1FeesOverAssets | 1.00% | ||||||||||
Other Expenses | rr_OtherExpensesOverAssets | 0.22% | ||||||||||
Total Annual Fund Operating Expenses | rr_ExpensesOverAssets | 1.97% | ||||||||||
Management Fee Waiver and/or Expense Reimbursement | rr_FeeWaiverOrReimbursementOverAssets | (0.37%) | [4] | |||||||||
Total Annual Fund Operating Expenses After Management Fee Waiver and/or Expense Reimbursement | rr_NetExpensesOverAssets | 1.60% | [4] | |||||||||
Expense Example, with Redemption, 1 Year | rr_ExpenseExampleYear01 | 263 | ||||||||||
Expense Example, with Redemption, 3 Years | rr_ExpenseExampleYear03 | 563 | ||||||||||
Expense Example, with Redemption, 5 Years | rr_ExpenseExampleYear05 | 1,010 | ||||||||||
Expense Example, with Redemption, 10 Years | rr_ExpenseExampleYear10 | 2,250 | ||||||||||
Expense Example, No Redemption, 1 Year | rr_ExpenseExampleNoRedemptionYear01 | 163 | ||||||||||
Expense Example, No Redemption, 3 Years | rr_ExpenseExampleNoRedemptionYear03 | 563 | ||||||||||
Expense Example, No Redemption, 5 Years | rr_ExpenseExampleNoRedemptionYear05 | 1,010 | ||||||||||
Expense Example, No Redemption, 10 Years | rr_ExpenseExampleNoRedemptionYear10 | 2,250 | ||||||||||
1 Year | rr_AverageAnnualReturnYear01 | (0.78%) | ||||||||||
5 Years | rr_AverageAnnualReturnYear05 | 0.49% | ||||||||||
10 Years | rr_AverageAnnualReturnYear10 | 4.48% | ||||||||||
Class F
|
||||||||||||
Risk/Return: | rr_RiskReturnAbstract | |||||||||||
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) | rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice | none | ||||||||||
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower) | rr_MaximumDeferredSalesChargeOverOther | none | ||||||||||
Management Fees | rr_ManagementFeesOverAssets | 0.75% | ||||||||||
Distribution and Service (12b-1) Fees | rr_DistributionAndService12b1FeesOverAssets | 0.10% | ||||||||||
Other Expenses | rr_OtherExpensesOverAssets | 0.22% | ||||||||||
Total Annual Fund Operating Expenses | rr_ExpensesOverAssets | 1.07% | ||||||||||
Management Fee Waiver and/or Expense Reimbursement | rr_FeeWaiverOrReimbursementOverAssets | (0.37%) | [4] | |||||||||
Total Annual Fund Operating Expenses After Management Fee Waiver and/or Expense Reimbursement | rr_NetExpensesOverAssets | 0.70% | [4] | |||||||||
Expense Example, with Redemption, 1 Year | rr_ExpenseExampleYear01 | 72 | ||||||||||
Expense Example, with Redemption, 3 Years | rr_ExpenseExampleYear03 | 284 | ||||||||||
Expense Example, with Redemption, 5 Years | rr_ExpenseExampleYear05 | 535 | ||||||||||
Expense Example, with Redemption, 10 Years | rr_ExpenseExampleYear10 | 1,254 | ||||||||||
Expense Example, No Redemption, 1 Year | rr_ExpenseExampleNoRedemptionYear01 | 72 | ||||||||||
Expense Example, No Redemption, 3 Years | rr_ExpenseExampleNoRedemptionYear03 | 284 | ||||||||||
Expense Example, No Redemption, 5 Years | rr_ExpenseExampleNoRedemptionYear05 | 535 | ||||||||||
Expense Example, No Redemption, 10 Years | rr_ExpenseExampleNoRedemptionYear10 | 1,254 | ||||||||||
1 Year | rr_AverageAnnualReturnYear01 | 0.11% | ||||||||||
Life of Class | rr_AverageAnnualReturnSinceInception | 0.09% | ||||||||||
Inception Date for Performance | rr_AverageAnnualReturnInceptionDate | Sep. 28, 2007 | ||||||||||
Class I
|
||||||||||||
Risk/Return: | rr_RiskReturnAbstract | |||||||||||
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) | rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice | none | ||||||||||
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower) | rr_MaximumDeferredSalesChargeOverOther | none | ||||||||||
Management Fees | rr_ManagementFeesOverAssets | 0.75% | ||||||||||
Distribution and Service (12b-1) Fees | rr_DistributionAndService12b1FeesOverAssets | none | ||||||||||
Other Expenses | rr_OtherExpensesOverAssets | 0.22% | ||||||||||
Total Annual Fund Operating Expenses | rr_ExpensesOverAssets | 0.97% | ||||||||||
Management Fee Waiver and/or Expense Reimbursement | rr_FeeWaiverOrReimbursementOverAssets | (0.37%) | [4] | |||||||||
Total Annual Fund Operating Expenses After Management Fee Waiver and/or Expense Reimbursement | rr_NetExpensesOverAssets | 0.60% | [4] | |||||||||
Expense Example, with Redemption, 1 Year | rr_ExpenseExampleYear01 | 61 | ||||||||||
Expense Example, with Redemption, 3 Years | rr_ExpenseExampleYear03 | 252 | ||||||||||
Expense Example, with Redemption, 5 Years | rr_ExpenseExampleYear05 | 481 | ||||||||||
Expense Example, with Redemption, 10 Years | rr_ExpenseExampleYear10 | 1,138 | ||||||||||
Expense Example, No Redemption, 1 Year | rr_ExpenseExampleNoRedemptionYear01 | 61 | ||||||||||
Expense Example, No Redemption, 3 Years | rr_ExpenseExampleNoRedemptionYear03 | 252 | ||||||||||
Expense Example, No Redemption, 5 Years | rr_ExpenseExampleNoRedemptionYear05 | 481 | ||||||||||
Expense Example, No Redemption, 10 Years | rr_ExpenseExampleNoRedemptionYear10 | 1,138 | ||||||||||
1 Year | rr_AverageAnnualReturnYear01 | 0.21% | ||||||||||
5 Years | rr_AverageAnnualReturnYear05 | 1.48% | ||||||||||
10 Years | rr_AverageAnnualReturnYear10 | 5.52% | ||||||||||
Class P
|
||||||||||||
Risk/Return: | rr_RiskReturnAbstract | |||||||||||
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) | rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice | none | ||||||||||
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower) | rr_MaximumDeferredSalesChargeOverOther | none | ||||||||||
Management Fees | rr_ManagementFeesOverAssets | 0.75% | ||||||||||
Distribution and Service (12b-1) Fees | rr_DistributionAndService12b1FeesOverAssets | 0.45% | ||||||||||
Other Expenses | rr_OtherExpensesOverAssets | 0.22% | ||||||||||
Total Annual Fund Operating Expenses | rr_ExpensesOverAssets | 1.42% | ||||||||||
Management Fee Waiver and/or Expense Reimbursement | rr_FeeWaiverOrReimbursementOverAssets | (0.37%) | [4] | |||||||||
Total Annual Fund Operating Expenses After Management Fee Waiver and/or Expense Reimbursement | rr_NetExpensesOverAssets | 1.05% | [4] | |||||||||
Expense Example, with Redemption, 1 Year | rr_ExpenseExampleYear01 | 107 | ||||||||||
Expense Example, with Redemption, 3 Years | rr_ExpenseExampleYear03 | 393 | ||||||||||
Expense Example, with Redemption, 5 Years | rr_ExpenseExampleYear05 | 722 | ||||||||||
Expense Example, with Redemption, 10 Years | rr_ExpenseExampleYear10 | 1,653 | ||||||||||
Expense Example, No Redemption, 1 Year | rr_ExpenseExampleNoRedemptionYear01 | 107 | ||||||||||
Expense Example, No Redemption, 3 Years | rr_ExpenseExampleNoRedemptionYear03 | 393 | ||||||||||
Expense Example, No Redemption, 5 Years | rr_ExpenseExampleNoRedemptionYear05 | 722 | ||||||||||
Expense Example, No Redemption, 10 Years | rr_ExpenseExampleNoRedemptionYear10 | 1,653 | ||||||||||
1 Year | rr_AverageAnnualReturnYear01 | (0.33%) | ||||||||||
5 Years | rr_AverageAnnualReturnYear05 | 1.03% | ||||||||||
10 Years | rr_AverageAnnualReturnYear10 | 5.06% | ||||||||||
Class R2
|
||||||||||||
Risk/Return: | rr_RiskReturnAbstract | |||||||||||
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) | rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice | none | ||||||||||
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower) | rr_MaximumDeferredSalesChargeOverOther | none | ||||||||||
Management Fees | rr_ManagementFeesOverAssets | 0.75% | ||||||||||
Distribution and Service (12b-1) Fees | rr_DistributionAndService12b1FeesOverAssets | 0.60% | ||||||||||
Other Expenses | rr_OtherExpensesOverAssets | 0.22% | ||||||||||
Total Annual Fund Operating Expenses | rr_ExpensesOverAssets | 1.57% | ||||||||||
Management Fee Waiver and/or Expense Reimbursement | rr_FeeWaiverOrReimbursementOverAssets | (0.37%) | [4] | |||||||||
Total Annual Fund Operating Expenses After Management Fee Waiver and/or Expense Reimbursement | rr_NetExpensesOverAssets | 1.20% | [4] | |||||||||
Expense Example, with Redemption, 1 Year | rr_ExpenseExampleYear01 | 122 | ||||||||||
Expense Example, with Redemption, 3 Years | rr_ExpenseExampleYear03 | 440 | ||||||||||
Expense Example, with Redemption, 5 Years | rr_ExpenseExampleYear05 | 801 | ||||||||||
Expense Example, with Redemption, 10 Years | rr_ExpenseExampleYear10 | 1,819 | ||||||||||
Expense Example, No Redemption, 1 Year | rr_ExpenseExampleNoRedemptionYear01 | 122 | ||||||||||
Expense Example, No Redemption, 3 Years | rr_ExpenseExampleNoRedemptionYear03 | 440 | ||||||||||
Expense Example, No Redemption, 5 Years | rr_ExpenseExampleNoRedemptionYear05 | 801 | ||||||||||
Expense Example, No Redemption, 10 Years | rr_ExpenseExampleNoRedemptionYear10 | 1,819 | ||||||||||
1 Year | rr_AverageAnnualReturnYear01 | (0.41%) | ||||||||||
Life of Class | rr_AverageAnnualReturnSinceInception | (0.26%) | ||||||||||
Inception Date for Performance | rr_AverageAnnualReturnInceptionDate | Sep. 28, 2007 | ||||||||||
Class R3
|
||||||||||||
Risk/Return: | rr_RiskReturnAbstract | |||||||||||
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) | rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice | none | ||||||||||
Maximum Deferred Sales Charge (Load) (as a percentage of offering price or redemption proceeds, whichever is lower) | rr_MaximumDeferredSalesChargeOverOther | none | ||||||||||
Management Fees | rr_ManagementFeesOverAssets | 0.75% | ||||||||||
Distribution and Service (12b-1) Fees | rr_DistributionAndService12b1FeesOverAssets | 0.50% | ||||||||||
Other Expenses | rr_OtherExpensesOverAssets | 0.22% | ||||||||||
Total Annual Fund Operating Expenses | rr_ExpensesOverAssets | 1.47% | ||||||||||
Management Fee Waiver and/or Expense Reimbursement | rr_FeeWaiverOrReimbursementOverAssets | (0.37%) | [4] | |||||||||
Total Annual Fund Operating Expenses After Management Fee Waiver and/or Expense Reimbursement | rr_NetExpensesOverAssets | 1.10% | [4] | |||||||||
Expense Example, with Redemption, 1 Year | rr_ExpenseExampleYear01 | 112 | ||||||||||
Expense Example, with Redemption, 3 Years | rr_ExpenseExampleYear03 | 409 | ||||||||||
Expense Example, with Redemption, 5 Years | rr_ExpenseExampleYear05 | 749 | ||||||||||
Expense Example, with Redemption, 10 Years | rr_ExpenseExampleYear10 | 1,709 | ||||||||||
Expense Example, No Redemption, 1 Year | rr_ExpenseExampleNoRedemptionYear01 | 112 | ||||||||||
Expense Example, No Redemption, 3 Years | rr_ExpenseExampleNoRedemptionYear03 | 409 | ||||||||||
Expense Example, No Redemption, 5 Years | rr_ExpenseExampleNoRedemptionYear05 | 749 | ||||||||||
Expense Example, No Redemption, 10 Years | rr_ExpenseExampleNoRedemptionYear10 | $ 1,709 | ||||||||||
1 Year | rr_AverageAnnualReturnYear01 | (0.36%) | ||||||||||
Life of Class | rr_AverageAnnualReturnSinceInception | (0.30%) | ||||||||||
Inception Date for Performance | rr_AverageAnnualReturnInceptionDate | Sep. 28, 2007 | ||||||||||
|