Acquired Fund Fees And Expenses Over Assets Acquired Fund Fees and Expenses After Taxes On Distributions And Sales [Member] After Taxes on Distributions and Sales After Taxes On Distributions [Member] After Taxes on Distributions Amendment Flag Amendment Flag Annual Fund Operating Expenses Table [Text Block] Annual Fund Operating Expenses [Table] Annual Return 2002 Annual Return 2002 Annual Return 2003 Annual Return 2003 Annual Return 2004 Annual Return 2004 Annual Return 2005 Annual Return 2005 Annual Return 2006 Annual Return 2006 Annual Return 2007 Annual Return 2007 Annual Return 2008 Annual Return 2008 Annual Return 2009 Annual Return 2009 Annual Return 2010 Annual Return 2010 Annual Return 2011 Annual Return 2011 Average Annual Return [Abstract] Average Annual Return: Average Annual Return Caption Caption Average Annual Return Label Label Average Annual Return Since Inception Since Inception Average Annual Return Year 01 1 Year Average Annual Return Year 05 5 Years Average Annual Return Year 10 10 Years Bar Chart And Performance Table Heading Bar Chart and Performance Table [Heading] Bar Chart Closing [Text Block] Bar Chart Closing [Text Block] Bar Chart Heading Bar Chart [Heading] Bar Chart Highest Quarterly Return Highest Quarterly Return Bar Chart Highest Quarterly Return Date Highest Quarterly Return, Date Bar Chart Lowest Quarterly Return Lowest Quarterly Return Bar Chart Lowest Quarterly Return Date Lowest Quarterly Return, Date Bar Chart Table [Abstract] Bar Chart Table: Bar Chart Table [Text Block] Bar Chart [Table] Investor Class C 000091179 [Member] Investor Class Institutional Class C 000091183 [Member] Institutional Class Service Class C 000091185 [Member] Service Class Administrative Class C 000091187 [Member] Administrative Class Institutional Class C 000091188 [Member] Institutional Class Investor Class C 000091195 [Member] Investor Class Institutional Class C 000091199 [Member] Institutional Class Service Class C 000091201 [Member] Service Class Distribution And Service 12 b 1 Fees Over Assets Distribution and Service (12b-1) Fees Document Creation Date Document Creation Date Document [Domain] Prospectus Document Effective Date Document Effective Date Document Information Document [Axis] Document [Axis] Document Period End Date Document Period End Date Document Type Document Type Entity Central Index Key Central Index Key Entity [Domain] Series Entity Registrant Name Registrant Name Expense Example [Abstract] Expense Example: Expense Example By Year Caption Expense Example by, Year, Caption [Text] Expense Example Heading Expense Example [Heading] Expense Example Narrative [Text Block] Expense Example Narrative [Text Block] Expense Example With Redemption Table [Text Block] Expense Example, With Redemption [Table] Expense Example Year 01 Expense Example, with Redemption, 1 Year Expense Example Year 03 Expense Example, with Redemption, 3 Years Expense Example Year 05 Expense Example, with Redemption, 5 Years Expense Example Year 10 Expense Example, with Redemption, 10 Years Expense Heading Expense [Heading] Expense Narrative [Text Block] Expense Narrative [Text Block] Expenses Not Correlated To Ratio Due To Acquired Fund Fees Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] Expenses Over Assets Total Annual Fund Operating Expenses Fee Waiver Or Reimbursement Over Assets Fee Waiver and Expense Reimbursements Fee Waiver Or Reimbursement Over Assets Date Of Termination Fee Waiver or Reimbursement over Assets, Date of Termination Highest Quarterly Return Label Highest Quarterly Return, Label Index No Deduction For Fees Expenses Taxes Index No Deduction for Fees, Expenses, Taxes [Text] Legal Entity [Axis] Series [Axis] Lowest Quarterly Return Label Lowest Quarterly Return, Label Management Fees Over Assets Management Fee Net Expenses Over Assets Total Annual Fund Operating Expenses After Fee Waiver and Expense Reimbursements Objective Heading Objective [Heading] Objective Primary [Text Block] Objective, Primary [Text Block] Operating Expenses [Abstract] Operating Expenses: Operating Expenses Caption Operating Expenses Caption [Text] Other Expenses Over Assets Other Expenses Performance Availability Phone Performance Availability Phone [Text] Performance Availability Web Site Address Performance Availability Website Address [Text] Performance Information Illustrates Variability Of Returns Performance Information Illustrates Variability of Returns [Text] Performance Measure [Axis] Performance Measure [Axis] Performance Measure [Domain] Before Taxes Performance Narrative [Text Block] Performance Narrative [Text Block] Performance Past Does Not Indicate Future Performance Past Does Not Indicate Future [Text] Performance Table Closing [Text Block] Performance Table Closing [Text Block] Performance Table Not Relevant To Tax Deferred Performance Table Not Relevant to Tax Deferred Performance Table One Class Of After Tax Shown Performance Table One Class of after Tax Shown [Text] Performance Table [Text Block] Performance [Table] Performance Table Uses Highest Federal Rate Performance Table Uses Highest Federal Rate Portfolio Turnover Heading Portfolio Turnover [Heading] Portfolio Turnover Rate Portfolio Turnover, Rate Portfolio Turnover [Text Block] Portfolio Turnover [Text Block] Prospectus Date ProspectusDate Prospectus Share Class [Axis] Share Class [Axis] Prospectus [Table] Prospectus: Risk Heading Risk [Heading] Risk Lose Money Risk Lose Money [Text] Risk Narrative [Text Block] Risk Narrative [Text Block] Risk Not Insured Depository Institution Risk Not Insured Depository Institution [Text] Risk Return [Abstract] Risk/Return: Risk Return Heading Risk/Return [Heading] Russell 1000® Growth Index R R I N D E X 00001 [Member] Russell 1000® Growth Index Russell Microcap® Growth Index R R I N D E X 00002 [Member] Russell Microcap® Growth Index Russell 2000® Growth Index R R I N D E X 00003 [Member] Russell 2000® Growth Index Russell Midcap® Growth Index R R I N D E X 00004 [Member] Russell Midcap® Growth Index MANAGERS CADENCE CAPITAL APPRECIATION FUND S 000029671 [Member] MANAGERS CADENCE CAPITAL APPRECIATION FUND MANAGERS CADENCE EMERGING COMPANIES FUND S 000029672 [Member] MANAGERS CADENCE EMERGING COMPANIES FUND MANAGERS CADENCE MID-CAP FUND S 000029674 [Member] MANAGERS CADENCE MID-CAP FUND Share Class [Domain] Share Classes Strategy Heading Strategy [Heading] Strategy Narrative [Text Block] Strategy Narrative [Text Block] MANAGERS CADENCE CAPITAL APPRECIATION FUND (Prospectus Summary) Summary S 000029671 [Member] MANAGERS CADENCE CAPITAL APPRECIATION FUND (Prospectus Summary) MANAGERS CADENCE EMERGING COMPANIES FUND (Prospectus Summary) Summary S 000029672 [Member] MANAGERS CADENCE EMERGING COMPANIES FUND (Prospectus Summary) MANAGERS CADENCE MID-CAP FUND (Prospectus Summary) Summary S 000029674 [Member] MANAGERS CADENCE MID-CAP FUND (Prospectus Summary) Trading Symbol Trading Symbol