FMI Global Equity ETF ETF Risks [Member] Premium/Discount [Member] Trading Halt [Member] Cash Transactions Risk [Member] Authorized Participant Concentration [Member] Costs of Buying or Selling Shares [Member] Market Trading Risk [Member] Stock Market Risk [Member] Large Capitalization Companies Risk [Member] Medium Capitalization Companies Risk [Member] Focused Portfolio Risk [Member] Value Investing Risk [Member] Fundamental Analysis Risk [Member] Large Shareholder Risk [Member] New Fund Risk [Member] Preferred Stock Risk [Member] Convertible Securities Risk [Member] Foreign Securities Risk [Member] Emerging Markets Risk [Member] Depositary Receipts Risk [Member] Liquidity Risk [Member] Changes in Tax Laws [Member] Passive Foreign Investment Company [Member] Equity Securities Risk [Member] Region, Sector or Industry Risk [Member] FMI Global Equity ETF [Member] FMI Global Equity ETF. FMI Global Equity ETF [Member] Region, Sector or Industry Risk. Equity Securities Risk. Passive Foreign Investment Company. Changes in Tax Laws. Liquidity Risk. Depositary Receipts Risk. Emerging Markets Risk. Foreign Securities Risk. Convertible Securities Risk. Preferred Stock Risk. New Fund Risk. Large Shareholder Risk. Fundamental Analysis Risk. Value Investing Risk. Focused Portfolio Risk. Medium Capitalization Companies Risk. Large Capitalization Companies Risk. Stock Market Risk. Market Trading Risk. Costs of Buying or Selling Shares. Authorized Participant Concentration. Cash Transactions Risk. Trading Halt. Premium/Discount. ETF Risks.