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{Cohen & Steers Global Realty Majors ETF} link:presentationLink link:calculationLink link:definitionLink 000108 - Disclosure - Risk/Return Detail Data {Elements} - (Cohen & Steers Global Realty Majors ETF) link:presentationLink link:calculationLink link:definitionLink 000201 - Document - Risk/Return Summary {Unlabeled} - (Jefferies|TR/J CRB Global Commodity Equity Index Fund) link:presentationLink link:calculationLink link:definitionLink 000202 - Schedule - Shareholder Fees - {Jefferies|TR/J CRB Global Commodity Equity Index Fund} link:presentationLink link:calculationLink link:definitionLink 000203 - Schedule - Annual Fund Operating Expenses - {Jefferies|TR/J CRB Global Commodity Equity Index Fund} link:presentationLink link:calculationLink link:definitionLink 000204 - Schedule - Expense Example {Transposed} - {Jefferies|TR/J CRB Global Commodity Equity Index Fund} link:presentationLink link:calculationLink link:definitionLink 000205 - Schedule - Expense Example, No Redemption {Transposed} - 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Annual Fund Operating Expenses - {Jefferies|TR/J CRB Global Agriculture Equity Index Fund} link:presentationLink link:calculationLink link:definitionLink 000304 - Schedule - Expense Example {Transposed} - {Jefferies|TR/J CRB Global Agriculture Equity Index Fund} link:presentationLink link:calculationLink link:definitionLink 000305 - Schedule - Expense Example, No Redemption {Transposed} - {Jefferies|TR/J CRB Global Agriculture Equity Index Fund} link:presentationLink link:calculationLink link:definitionLink 000306 - Schedule - Annual Total Returns - {Jefferies|TR/J CRB Global Agriculture Equity Index Fund} {Bar Chart} link:presentationLink link:calculationLink link:definitionLink 000307 - Schedule - Average Annual Total Returns {Transposed} - {Jefferies|TR/J CRB Global Agriculture Equity Index Fund} link:presentationLink link:calculationLink link:definitionLink 000308 - Disclosure - Risk/Return Detail Data {Elements} - (Jefferies|TR/J CRB Global Agriculture Equity Index Fund) link:presentationLink link:calculationLink link:definitionLink 000401 - Document - Risk/Return Summary {Unlabeled} - (Jefferies|TR/J CRB Global Industrial Metals Equity Index Fund) link:presentationLink link:calculationLink link:definitionLink 000402 - Schedule - Shareholder Fees - {Jefferies|TR/J CRB Global Industrial Metals Equity Index Fund} link:presentationLink link:calculationLink link:definitionLink 000403 - Schedule - Annual Fund Operating Expenses - {Jefferies|TR/J CRB Global Industrial Metals Equity Index Fund} link:presentationLink link:calculationLink link:definitionLink 000404 - Schedule - Expense Example {Transposed} - {Jefferies|TR/J CRB Global Industrial Metals Equity Index Fund} link:presentationLink link:calculationLink link:definitionLink 000405 - Schedule - Expense Example, No Redemption {Transposed} - {Jefferies|TR/J CRB Global Industrial Metals Equity Index Fund} link:presentationLink link:calculationLink link:definitionLink 000406 - Schedule - Annual Total Returns - {Jefferies|TR/J CRB Global Industrial Metals Equity Index Fund} {Bar Chart} link:presentationLink link:calculationLink link:definitionLink 000407 - 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Schedule - Annual Fund Operating Expenses - {Jefferies|TR/J CRB Global Precious Metals Equity Index Fund} link:presentationLink link:calculationLink link:definitionLink 000604 - Schedule - Expense Example {Transposed} - {Jefferies|TR/J CRB Global Precious Metals Equity Index Fund} link:presentationLink link:calculationLink link:definitionLink 000605 - Schedule - Expense Example, No Redemption {Transposed} - {Jefferies|TR/J CRB Global Precious Metals Equity Index Fund} link:presentationLink link:calculationLink link:definitionLink 000606 - Schedule - Annual Total Returns - {Jefferies|TR/J CRB Global Precious Metals Equity Index Fund} {Bar Chart} link:presentationLink link:calculationLink link:definitionLink 000607 - Schedule - Average Annual Total Returns {Transposed} - {Jefferies|TR/J CRB Global Precious Metals Equity Index Fund} link:presentationLink link:calculationLink link:definitionLink 000608 - Disclosure - Risk/Return Detail Data {Elements} - (Jefferies|TR/J CRB Global Precious Metals Equity Index Fund) link:presentationLink link:calculationLink link:definitionLink 000701 - Document - Risk/Return Summary {Unlabeled} - (Jefferies/TR/J CRB Wildcatters Exploration & Production Equity ETF) link:presentationLink link:calculationLink link:definitionLink 000702 - Schedule - Shareholder Fees - {Jefferies/TR/J CRB Wildcatters Exploration & Production Equity ETF} link:presentationLink link:calculationLink link:definitionLink 000703 - Schedule - Annual Fund Operating Expenses - {Jefferies/TR/J CRB Wildcatters Exploration & Production Equity ETF} link:presentationLink link:calculationLink link:definitionLink 000704 - Schedule - Expense Example {Transposed} - {Jefferies/TR/J CRB Wildcatters Exploration & Production Equity ETF} link:presentationLink link:calculationLink link:definitionLink 000705 - Schedule - Expense Example, No Redemption {Transposed} - {Jefferies/TR/J CRB Wildcatters Exploration & Production Equity ETF} link:presentationLink link:calculationLink link:definitionLink 000706 - Schedule - Annual Total Returns - {Jefferies/TR/J CRB Wildcatters Exploration & Production Equity ETF} {Bar Chart} link:presentationLink link:calculationLink link:definitionLink 000707 - 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