Institutional Shares Performance Availability Phone Portfolio Turnover, Rate Risk Narrative Annual Fund Operating Expenses Class A Shares Share Class Average Annual Return: Performance Table Heading Portfolio Turnover Portfolio Turnover Heading Series {3} Series Performance Past Does Not Indicate Future Annual Return 2011 Maximum Deferred Sales Charge (Load) (as a percentage of NAV at the time of purchase) Coregistrant {2} Coregistrant Lowest Quarterly Return Highest Quarterly Return Expense Example: Distribution (12b-1) and Service Fees Bar Chart Expense Example Return After Taxes on Distributions Platform Shares Class C Shares Prospectus Risk Lose Money Document Creation Date Expense Example, No Redemption Return After Taxes on Distributions and Sale of Fund Shares Share Classes Risk/Return Detail Total Annual Fund Operating Expenses (after fee waivers and expense reimbursements) Bar Chart Closing Risk/Return: Expense Example, with Redemption, 10 Years Expense Example, with Redemption, 3 Years Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) Strategy Expense Example, With Redemption Sherwood Forest Alternative Fund Lowest Quarterly Return, Label Central Index Key Bar Chart Table: Expense Objective Lowest Quarterly Return, Date Document Period End Date Operating Expenses: Shareholder Fees: Prospectus Date Document Type Inception Date Fee Waivers and/or Expense Reimbursements Acquired Fund Fees and Expenses Performance Coregistrant {1} Coregistrant Highest Quarterly Return, Date Performance Table Narrative Performance Narrative S&P 500 Index (reflects no deduction for fees, expenses, or taxes) Document Highest Quarterly Return, Label Performance Availability Website Address Management Fee Strategy Narrative 1 Year Annual Return 2010 Market Index Performance Bar Chart Heading Objective, Primary Before Taxes Performance Measure Expense Example, with Redemption, 1 Year Exchange Fees Bar Chart and Performance Table Amendment Flag Expense Example, with Redemption, 5 Years Other Expenses Registrant Name Redemption Fees Expense Narrative Series {4} Series Document Effective Date Since Inception Risk Expense Example Narrative Shareholder Fees Risk/Return