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Label Element Value
Risk/Return: rr_RiskReturnAbstract  
ProspectusDate rr_ProspectusDate Oct. 01, 2011
MANAGERS CADENCE CAPITAL APPRECIATION FUND (First Prospectus Summary) | MANAGERS CADENCE CAPITAL APPRECIATION FUND
  
Risk/Return: rr_RiskReturnAbstract  
Risk/Return, Heading rr_RiskReturnHeading Managers Cadence Capital Appreciation Fund
Investment Objective, Heading rr_ObjectiveHeading INVESTMENT OBJECTIVE
investment Objective, Primary rr_ObjectivePrimaryTextBlock 
The Managers Cadence Capital Appreciation Fund's (the "Fund" or "Capital
Appreciation Fund") investment objective is to seek growth of capital.
Expense, Heading rr_ExpenseHeading FEES AND EXPENSES OF THE FUND
Expense, Narrative rr_ExpenseNarrativeTextBlock 
The table below describes the fees and expenses that you may pay if you buy and
hold shares of the Fund.
Operating Expenses, Caption 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 rr_PortfolioTurnoverTextBlock 
The Fund pays transaction costs, such as commissions, when it buys and sells
securities (or "turns over" its portfolio). A higher portfolio turnover rate may
indicate higher transaction costs and may result in higher taxes when Fund
shares are held in a taxable account. These costs, which are not reflected in
Annual Fund Operating Expenses or in the Example, affect the Fund's performance.
During the most recent fiscal year, the Fund's portfolio turnover rate was 75%
of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 75.00%
Expenses, Restated to Reflect Current rr_ExpensesRestatedToReflectCurrent The amounts have been restated to reflect current fees and expenses, on an annualized basis, that the Fund has incurred since its reorganization into the Managers Cadence Capital Appreciation Fund on September 27, 2010.
Expenses, Not Correlated to Ratio Due to Acquired Fund Fees rr_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees The Total Annual Fund Operating Expenses and Total Annual Fund Operating Expenses After Fee Waiver and Expense Reimbursements do not correlate to the ratios of expenses to average net assets in the Financial Highlights section of the Fund's Prospectus, which reflect only the operating expenses of Fund and do not include fees and expenses of any acquired fund.
Expense Example, Heading rr_ExpenseExampleHeading EXPENSE EXAMPLE
Expense Example, Narrative rr_ExpenseExampleNarrativeTextBlock 
This Example will help you compare the cost of investing in the Fund to the cost
of investing in other mutual funds. The Example makes certain assumptions. It
assumes that you invest $10,000 as an initial investment in the Fund for the
time periods indicated and then redeem all of your shares at the end of those
periods. It also assumes that your investment has a 5% total return each year
and the Fund's operating expenses remain the same. The Example reflects the
impact of the Fund's contractual expense limitation through October 1, 2013.
Expense Example, By Year, Caption rr_ExpenseExampleByYearCaption Although your actual costs may be higher or lower, based on the above assumptions, your costs would be:
Investment Strategy, Heading rr_StrategyHeading PRINCIPAL INVESTMENT STRATEGIES
Investment Strategy, Narrative rr_StrategyNarrativeTextBlock 
Under normal circumstances, the Fund seeks to achieve its investment objective
by investing at least 65% of its net assets in common stocks of U.S. companies
with market capitalizations of $3 billion or more that have improving
fundamentals (based on growth criteria) and whose stock the portfolio management
team believes to be reasonably valued by the market (based on value criteria).
The Fund primarily invests in common stocks of large capitalization companies.
Cadence Capital Management LLC ("Cadence" or the "Subadvisor") employs a
"growth-at-a-reasonable-price" ("GARP") investment philosophy, allowing the team
to invest in companies that exhibit both growth and value characteristics. In
making investment decisions for the Fund, the Subadvisor considers companies in
the Russell 1000 ® Index and the S&P 500 Index. The team ranks the stocks in
this universe based on a series of growth criteria, such as the change in
consensus earnings estimates over time, the company's history in meeting
earnings targets, earnings quality, and improvements in return on equity, and a
series of value criteria, such as price-to-earnings ratios and free cash flow
relative to enterprise value. The Subadvisor then subjects the most attractively
ranked stocks in the universe to an analysis of company factors, such as
strength of management, competitive industry position and business prospects, and
financial statement data, such as earnings, cash flows and profitability.
The Fund may invest a portion of its assets in real estate investment trusts ("REITs").
Generally, the Fund will hold between approximately 70-95 securities.
Risk, Heading rr_RiskHeading PRINCIPAL RISKS
Risk, Narrative rr_RiskNarrativeTextBlock 
There is the risk that you may lose money on your investment. All investments
carry a certain amount of risk and the Fund cannot guarantee that it will
achieve its investment objective. An investment in the Fund is not a deposit or
obligation of any bank, is not endorsed or guaranteed by any bank, and is not
insured by the Federal Deposit Insurance Corporation ("FDIC") or any other
government agency. Below are some of the risks of investing in the Fund.

Growth Stock Risk-growth stocks may be more sensitive to market movements
because their prices tend to reflect future investor expectations rather than
just current profits.

Large-Capitalization Stock Risk-the stocks of large-capitalization companies are
generally more mature and may not be able to reach the same levels of growth as
the stocks of small- or mid-capitalization companies.

Liquidity Risk-particular investments, such as illiquid securities, may not be
able to be sold at the price the Fund would like or the Fund may have to sell
them at a loss.

Market Risk-market prices of securities held by the Fund may fall rapidly or
unpredictably due to a variety of factors, including changing economic,
political, or market conditions.

Real Estate Industry Risk-investments in the Fund may be subject to many of the
same risks as a direct investment in real estate; in addition, equity REITs may
be affected by changes in the value of their underlying properties.

Sector Risk-companies or issuers that are in similar industry sectors may be
similarly affected by particular economic or market events; to the extent the
Fund has substantial holdings within a particular sector, the risks associated
with that sector increase. Stocks in the technology sector currently, and may in
the future, comprise a significant portion of the Fund's portfolio. The
technology industries may be affected by technological obsolescence, short
product cycles, falling prices and profits, competitive pressures and general
market conditions.
Risk, Lose Money rr_RiskLoseMoney There is the risk that you may lose money on your investment.
Risk, Not Insured Depository Institution rr_RiskNotInsuredDepositoryInstitution An investment in the Fund is not a deposit or obligation of any bank, is not endorsed or guaranteed by any bank, and is not insured by the Federal Deposit Insurance Corporation ("FDIC") or any other government agency.
Bar Chart and Performance Table, Heading rr_BarChartAndPerformanceTableHeading PERFORMANCE
Performance, Narrative rr_PerformanceNarrativeTextBlock 
The following performance information illustrates the risks of investing in the
Fund by showing changes in the Fund's performance from year to year and by
showing how the Fund's performance compares to that of a broadly based
securities market index. As always, past performance of the Fund (before and
after taxes) is not an indication of how the Fund will perform in the future. To
obtain performance information for the Fund please visit www.managersinvest.com
or call 800.835.3879.

The performance information shown is that of the Fund's Institutional Class
shares, and includes historical performance of the Fund for periods prior to
September 27, 2010, which was the date the Fund was reorganized from the Allianz
CCM Capital Appreciation Fund to the Fund. The performance information shown in
the table for Class P shares of the Fund is based on the prior performance of
the Institutional Class shares and has been adjusted to reflect the higher
operating expenses applicable to Class P shares.
Performance, One Year or Less rr_PerformanceOneYearOrLess The following performance information illustrates the risks of investing in the Fund by showing changes in the Fund's performance from year to year and by showing how the Fund's performance compares to that of a broadly based securities market index.
Performance, Availability Phone Number rr_PerformanceAvailabilityPhone 800.835.3879
Performance, Availability Website Address rr_PerformanceAvailabilityWebSiteAddress www.managersinvest.com
Performance, Past Does Not Indicate Future rr_PerformancePastDoesNotIndicateFuture As always, past performance of the Fund (before and after taxes) is not an indication of how the Fund will perform in the future.
Bar Chart, Heading rr_BarChartHeading Calendar Year Total Returns as of 12/31/10 (Institutional Class)
Bar Chart, Closing rr_BarChartClosingTextBlock 
Best Quarter: 13.75% (3rd Quarter 2009)

Worst Quarter: -22.41% (4th Quarter 2008)
Index No Deduction for Fees, Expenses, Taxes rr_IndexNoDeductionForFeesExpensesTaxes reflects no deduction for fees, expenses, or taxes
Performance Table, Uses Highest Federal Rate rr_PerformanceTableUsesHighestFederalRate After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes.
Performance Table, Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred Actual after-tax returns depend on an investor's tax situation and may differ from those shown. After-tax returns are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.
Performance Table, One Class of after Tax Shown rr_PerformanceTableOneClassOfAfterTaxShown After-tax returns are shown for Institutional Class shares only. After-tax returns for Class P, Administrative Class and Class D shares will vary.
Performance Table, Narrative rr_PerformanceTableNarrativeTextBlock 
After-tax returns are calculated using the historical highest individual federal
marginal income tax rates and do not reflect the impact of state and local
taxes. Actual after-tax returns depend on an investor's tax situation and may
differ from those shown. After-tax returns are not relevant to investors who
hold their Fund shares through tax-deferred arrangements, such as 401(k) plans
or individual retirement accounts. After-tax returns are shown for Institutional
Class shares only. After-tax returns for Class P, Administrative Class and Class
D shares will vary.
Average Annual Returns, Caption rr_AverageAnnualReturnCaption Average Annual Total Returns as of 12/31/10
MANAGERS CADENCE CAPITAL APPRECIATION FUND (First Prospectus Summary) | MANAGERS CADENCE CAPITAL APPRECIATION FUND | Institutional Class
  
Risk/Return: rr_RiskReturnAbstract  
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination 2013-10-1
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Best Quarter:
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Sep. 30, 2009
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 13.75%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Worst Quarter:
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Dec. 31, 2008
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (22.41%)
MANAGERS CADENCE CAPITAL APPRECIATION FUND (First Prospectus Summary) | MANAGERS CADENCE CAPITAL APPRECIATION FUND | P Class
  
Risk/Return: rr_RiskReturnAbstract  
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination 2013-10-1
MANAGERS CADENCE CAPITAL APPRECIATION FUND (First Prospectus Summary) | MANAGERS CADENCE CAPITAL APPRECIATION FUND | Administrative Class
  
Risk/Return: rr_RiskReturnAbstract  
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination 2013-10-1
MANAGERS CADENCE CAPITAL APPRECIATION FUND (First Prospectus Summary) | MANAGERS CADENCE CAPITAL APPRECIATION FUND | D Class
  
Risk/Return: rr_RiskReturnAbstract  
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination 2013-10-1
MANAGERS CADENCE CAPITAL APPRECIATION FUND | Russell 1000 Growth Index
  
Risk/Return: rr_RiskReturnAbstract  
Average Annual Returns, Label rr_AverageAnnualReturnLabel Russell 1000®Growth Index (reflects no deduction for fees, expenses, or taxes)
Average Annual Returns, 1 Year rr_AverageAnnualReturnYear01 37.21%
Average Annual Returns, 1 Year, Secondary ck0000720309_AverageAnnualReturnYear01Secondary 16.71%
Average Annual Returns, 5 Years rr_AverageAnnualReturnYear05 1.63%
Average Annual Returns, 5 Years, Secondary ck0000720309_AverageAnnualReturnYear05Secondary 3.75%
Average Annual Returns, 10 Years rr_AverageAnnualReturnYear10 (3.99%)
Average Annual Returns, 10 Years, Secondary ck0000720309_AverageAnnualReturnYear10Secondary 0.02%
Average Annual Returns, Since Inception rr_AverageAnnualReturnSinceInception 4.34%
Average Annual Returns, Inception Date rr_AverageAnnualReturnInceptionDate Jul. 07, 2008
MANAGERS CADENCE CAPITAL APPRECIATION FUND | Institutional Class
  
Risk/Return: rr_RiskReturnAbstract  
Management Fee rr_ManagementFeesOverAssets 0.45%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses rr_OtherExpensesOverAssets 0.34% [1]
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 0.80% [1],[2]
Fee Waiver and Expense Reimbursements rr_FeeWaiverOrReimbursementOverAssets (0.07%) [3]
Total Annual Fund Operating Expenses After Fee Waiver and Expense Reimbursements rr_NetExpensesOverAssets 0.73% [1],[2]
Expense Example, With Redemption, 1 Year rr_ExpenseExampleYear01 75
Expense Example, With Redemption, 3 Years rr_ExpenseExampleYear03 241
Expense Example, With Redemption, 5 Years rr_ExpenseExampleYear05 430
Expense Example, With Redemption, 10 Years rr_ExpenseExampleYear10 976
Annual Return 2001 rr_AnnualReturn2001 (18.90%)
Annual Return 2002 rr_AnnualReturn2002 (23.30%)
Annual Return 2003 rr_AnnualReturn2003 27.10%
Annual Return 2004 rr_AnnualReturn2004 12.60%
Annual Return 2005 rr_AnnualReturn2005 9.40%
Annual Return 2006 rr_AnnualReturn2006 7.10%
Annual Return 2007 rr_AnnualReturn2007 17.60%
Annual Return 2008 rr_AnnualReturn2008 (42.50%)
Annual Return 2009 rr_AnnualReturn2009 22.90%
Annual Return 2010 rr_AnnualReturn2010 16.10%
Average Annual Returns, Label rr_AverageAnnualReturnLabel Institutional Class Return Before Taxes
Average Annual Returns, 1 Year rr_AverageAnnualReturnYear01 16.07%
Average Annual Returns, 5 Years rr_AverageAnnualReturnYear05 0.63%
Average Annual Returns, 10 Years rr_AverageAnnualReturnYear10 0.05%
MANAGERS CADENCE CAPITAL APPRECIATION FUND | Institutional Class | After Taxes on Distributions
  
Risk/Return: rr_RiskReturnAbstract  
Average Annual Returns, Label rr_AverageAnnualReturnLabel Institutional Class Return After Taxes on Distributions
Average Annual Returns, 1 Year rr_AverageAnnualReturnYear01 15.95%
Average Annual Returns, 5 Years rr_AverageAnnualReturnYear05 (0.04%)
Average Annual Returns, 10 Years rr_AverageAnnualReturnYear10 (0.31%)
MANAGERS CADENCE CAPITAL APPRECIATION FUND | Institutional Class | After Taxes on Distributions and Sales
  
Risk/Return: rr_RiskReturnAbstract  
Average Annual Returns, Label rr_AverageAnnualReturnLabel Institutional Class Return After Taxes on Distributions and Sale of Fund Shares
Average Annual Returns, 1 Year rr_AverageAnnualReturnYear01 10.61%
Average Annual Returns, 5 Years rr_AverageAnnualReturnYear05 0.43%
Average Annual Returns, 10 Years rr_AverageAnnualReturnYear10 (0.02%)
MANAGERS CADENCE CAPITAL APPRECIATION FUND | P Class
  
Risk/Return: rr_RiskReturnAbstract  
Management Fee rr_ManagementFeesOverAssets 0.45%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses rr_OtherExpensesOverAssets 0.44% [1]
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 0.90% [1],[2]
Fee Waiver and Expense Reimbursements rr_FeeWaiverOrReimbursementOverAssets (0.07%) [3]
Total Annual Fund Operating Expenses After Fee Waiver and Expense Reimbursements rr_NetExpensesOverAssets 0.83% [1],[2]
Expense Example, With Redemption, 1 Year rr_ExpenseExampleYear01 85
Expense Example, With Redemption, 3 Years rr_ExpenseExampleYear03 273
Expense Example, With Redemption, 5 Years rr_ExpenseExampleYear05 484
Expense Example, With Redemption, 10 Years rr_ExpenseExampleYear10 1,095
Average Annual Returns, Label rr_AverageAnnualReturnLabel P Class Return Before Taxes
Average Annual Returns, 1 Year rr_AverageAnnualReturnYear01 15.96%
Average Annual Returns, 5 Years rr_AverageAnnualReturnYear05  
Average Annual Returns, 10 Years rr_AverageAnnualReturnYear10  
Average Annual Returns, Since Inception rr_AverageAnnualReturnSinceInception (1.87%)
Average Annual Returns, Inception Date rr_AverageAnnualReturnInceptionDate Jul. 07, 2008
MANAGERS CADENCE CAPITAL APPRECIATION FUND | Administrative Class
  
Risk/Return: rr_RiskReturnAbstract  
Management Fee rr_ManagementFeesOverAssets 0.45%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses rr_OtherExpensesOverAssets 0.59% [1]
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.05% [1],[2]
Fee Waiver and Expense Reimbursements rr_FeeWaiverOrReimbursementOverAssets (0.07%) [3]
Total Annual Fund Operating Expenses After Fee Waiver and Expense Reimbursements rr_NetExpensesOverAssets 0.98% [1],[2]
Expense Example, With Redemption, 1 Year rr_ExpenseExampleYear01 100
Expense Example, With Redemption, 3 Years rr_ExpenseExampleYear03 320
Expense Example, With Redemption, 5 Years rr_ExpenseExampleYear05 565
Expense Example, With Redemption, 10 Years rr_ExpenseExampleYear10 1,270
Average Annual Returns, Label rr_AverageAnnualReturnLabel Administrative Class Return Before Taxes
Average Annual Returns, 1 Year rr_AverageAnnualReturnYear01 15.78%
Average Annual Returns, 5 Years rr_AverageAnnualReturnYear05 0.39%
Average Annual Returns, 10 Years rr_AverageAnnualReturnYear10 (0.17%)
MANAGERS CADENCE CAPITAL APPRECIATION FUND | D Class
  
Risk/Return: rr_RiskReturnAbstract  
Management Fee rr_ManagementFeesOverAssets 0.45%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other Expenses rr_OtherExpensesOverAssets 0.49% [1]
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.20% [1],[2]
Fee Waiver and Expense Reimbursements rr_FeeWaiverOrReimbursementOverAssets (0.07%) [3]
Total Annual Fund Operating Expenses After Fee Waiver and Expense Reimbursements rr_NetExpensesOverAssets 1.13% [1],[2]
Expense Example, With Redemption, 1 Year rr_ExpenseExampleYear01 115
Expense Example, With Redemption, 3 Years rr_ExpenseExampleYear03 367
Expense Example, With Redemption, 5 Years rr_ExpenseExampleYear05 646
Expense Example, With Redemption, 10 Years rr_ExpenseExampleYear10 1,442
Average Annual Returns, Label rr_AverageAnnualReturnLabel D Class Return Before Taxes
Average Annual Returns, 1 Year rr_AverageAnnualReturnYear01 15.65%
Average Annual Returns, 5 Years rr_AverageAnnualReturnYear05 0.24%
Average Annual Returns, 10 Years rr_AverageAnnualReturnYear10 (0.34%)
[1] The amounts have been restated to reflect current fees and expenses, on an annualized basis, that the Fund has incurred since its reorganization into the Managers Cadence Capital Appreciation Fund on September 27, 2010.
[2] The Total Annual Fund Operating Expenses and Total Annual Fund Operating Expenses After Fee Waiver and Expense Reimbursements do not correlate to the ratios of expenses to average net assets in the Financial Highlights section of the Fund's Prospectus, which reflect only the operating expenses of the Fund and do not include fees and expenses of any acquired fund.
[3] Managers Investment Group LLC ("Managers" or the "Investment Manager") has contractually agreed, through at least October 1, 2013, to waive management fees and/or reimburse Fund expenses in order to limit Total Annual Fund Operating Expenses After Fee Waiver and Expense Reimbursements (exclusive of taxes, interest (including interest incurred in connection with bank and custody overdrafts), shareholder servicing fees, distribution and service (12b-1) fees, brokerage commissions and other transaction costs, acquired fund fees and expenses, and extraordinary expenses) to 0.72% of the Fund's average daily net assets, subject to later reimbursement by the Fund in certain circumstances. In general, for a period of up to 36 months from the time of any waiver, reimbursement, or payment pursuant to the Fund's contractual expense limitation, the Investment Manager may recover from the Fund fees waived and expenses paid to the extent that such repayment would not cause the Fund's Total Annual Fund Operating Expenses After Fee Waiver and Expense Reimbursements to exceed the contractual expense limitation amount. Under such arrangement, if the maximum amount of shareholder servicing fees and distribution and service (12b-1) fees were charged to the classes under the current applicable plans, the total annual fund operating expenses (excluding the other items noted in the parenthetical above) of the Institutional Class, Class P, Administrative Class and Class D shares would be 0.72%, 0.87%, 0.97% and 1.12%, respectively, of the average daily net assets of such classes. The contractual expense limitation may only be terminated upon termination of the Fund's investment advisory agreement with the Investment Manager or by mutual agreement between the Investment Manager and the Fund's Board of Trustees.