The Disciplined Growth Investors Fund Managed Portfolio Risk [Member] Equity Securities Risk [Member] Mid-Capitalization Risk [Member] Growth Stock Risk [Member] Industry Risk [Member] Non-U.S. Securities Risk [Member] Currency Risk [Member] Fixed-Income Securities Risk [Member] Allocation Risk [Member] Technology Sector Risk [Member] Cash Position Risk [Member] Corporate Debt Risk [Member] High Yield Securities Risk [Member] Mortgage-Backed and Asset-Backed Securities Risk [Member] The Disciplined Growth Investors Equity Fund Market and Geopolitical Risk [Member] Vulcan Value Partners Fund Business Ownership Risk [Member] Small-Size Company Risk [Member] Large-Size Company Risk [Member] Economic and Market Events Risk [Member] Emerging Markets Risk [Member] Value Stocks Risk [Member] Vulcan Value Partners Small Cap Fund The Disciplined Growth Investors Fund [Member] The Disciplined Growth Investors Equity Fund [Member] Vulcan Value Partners Fund - Investor Class Shares Vulcan Value Partners Fund - Institutional Class Shares Vulcan Value Partners Small Cap Fund - Investor Class Shares Vulcan Value Partners Small Cap Fund - Institutional Class Shares S&P 500 Total Return Index® (reflect no deductions for fees, expenses, or taxes) Bloomberg US 3000 Total Return Index (reflects no deductions for fees, expenses, or taxes) Bloomberg U.S. Mid Cap Growth Index (reflects no deductions for fees, expenses, or taxes) S&P 500 Total Return Index® (reflects no deductions for fees, expenses, or taxes) Russell 1000 Value Index® (reflects no deductions for fees, expenses, or taxes) Russell 2000 Index® (reflects no deductions for fees, expenses, or taxes) Russell 2000 Value Index® (reflects no deductions for fees, expenses, or taxes) The Disciplined Growth Investors Fund. The Disciplined Growth Investors Fund. S&P 500 Total Return Index® (reflects no deductions for fees, expenses, or taxes) Mortgage-Backed and Asset-Backed Securities Risk. High Yield Securities Risk. Corporate Debt Risk. Cash Position Risk. Technology Sector Risk. Allocation Risk. Fixed-Income Securities Risk. Currency Risk. Non-U.S. Securities Risk. Industry Risk. Growth Stock Risk. Mid-Capitalization Risk. Equity Securities Risk. Managed Portfolio Risk. The Disciplined Growth Investors Equity Fund The Disciplined Growth Investors Equity Fund Vulcan Value Partners Fund Vulcan Value Partners Fund - Investor Class Shares Vulcan Value Partners Fund - Institutional Class Shares Vulcan Value Partners Small Cap Fund Vulcan Value Partners Small Cap Fund - Investor Class Shares Vulcan Value Partners Small Cap Fund - Institutional Class Shares Value Stocks Risk. Emerging Markets Risk. Economic and Market Events Risk. Small-Size Company Risk. Business Ownership Risk. Large-Size Company Risk. Bloomberg US 3000 Total Return Index (reflects no deductions for fees, expenses, or taxes) Bloomberg U.S. Mid Cap Growth Index (reflects no deductions for fees, expenses, or taxes) Russell 1000 Value Index® (reflects no deductions for fees, expenses, or taxes) Russell 2000 Index® (reflects no deductions for fees, expenses, or taxes) Russell 2000 Value Index® (reflects no deductions for fees, expenses, or taxes) Market and Geopolitical Risk. S&P 500 Total Return Index® (reflects no deductions for fees, expenses, or taxes).