Label

Element

Value

Risk/Return:

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Supplement [Text Block]

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Compass EMP Developed 500 Enhanced Volatility Weighted Index ETF
(the “Funds” and each a “Fund”)
each a series of COMPASS EMP FUNDS TRUST
Supplement dated May 1, 2015, to the
Prospectus dated June 30, 2014, as amended September 29, 2014
Effective May 1, 2015, Victory Capital Management Inc. (the "Advisor") replaces Compass Efficient Model Portfolios, LLC as investment adviser to the Funds.  The following supersedes any contrary information contained in the current Prospectus for each series and class of shares.

Risk/Return [Heading]

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Compass EMP Developed 500 Enhanced Volatility Weighted Index ETF

Expense [Heading]

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Fees and Expenses of the Fund:

Expense Narrative [Text Block]

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This table describes the fees and expenses that you may pay if you buy and hold shares (“Shares”) of the Fund.  Investors may pay brokerage commissions on their purchases and sales of shares of the Fund in the secondary market, which are not reflected in the table or the example below.

Shareholder Fees Caption [Text]

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Shareholder Fees (fees paid directly from your investment)

Operating Expenses Caption [Text]

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Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)

Fee Waiver or Reimbursement over Assets, Date of Termination

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2017-04-30

Expense Exchange Traded Fund Commissions [Text]

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Investors may pay brokerage commissions on their purchases and sales of shares of the Fund in the secondary market, which are not reflected in the table or the example below.

Other Expenses, New Fund, Based on Estimates [Text]

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Estimated for the current fiscal year.

Expenses Restated to Reflect Current [Text]

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Restated to reflect current contractual fees.

Expense Example [Heading]

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Example:

Expense Example Narrative [Text Block]

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This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds.  The example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods.  The Example also assumes that your investment has a 5% return each year and that each Fund’s operating expenses remain the same.

Expense Example by, Year, Caption [Text]

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Although your actual costs may be higher or lower, based upon these assumptions your costs would be:

Expense Example Closing [Text Block]

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This Supplement and the existing Prospectus dated June 30, 2014, as supplemented, provide relevant information for all shareholders and should be retained for future reference.  Both the Prospectus and the Statement of Additional Information each dated June 30, 2014, as supplemented have been filed with the Securities and Exchange Commission, are incorporated herein by reference, and can be obtained without charge by calling the Funds at 1-888-944-4367.

Please retain this Supplement for future reference.

Compass EMP Developed 500 Enhanced Volatility Weighted Index ETF

Risk/Return:

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Shareholder Fees (fees paid directly from your investment)

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none

Management Fees

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0.40%

Distribution and/or Service (12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

none

Other Expenses

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0.31%

^[1]

Total Annual Fund Operating Expenses

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0.71%

^[2]

Fee Waiver or Reimbursement

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(0.26%)

^[2],[3]

Total Annual Fund Operating Expenses After Fee Waivers and Expense Reimbursements

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0.45%

^[2]

Expense Example, with Redemption, 1 Year

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46

Expense Example, with Redemption, 3 Years

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201

[1] Estimated for the current fiscal year.

[2] Restated to reflect current contractual fees.

[3] The Advisor has contractually agreed to waive its management fee and/or reimburse expenses through at least April 30, 2017 so that the total annual fund operating expenses after fee waiver and expense reimbursement (excluding Acquired Fund Fees and Expenses, and certain other items such as interest, taxes and brokerage commissions) do not exceed 0.78%. In addition, the Adviser has contractually agreed to waive its management fee and/or reimburse expenses an additional amount through at least April 30, 2016 so that the total annual fund operating expenses after fee waiver and expense reimbursement (excluding Acquired Fund Fees and Expenses, and certain other items such as interest, taxes and brokerage commissions) do not exceed 0.45%. The Advisor is permitted to recoup advisory fees waived and expenses reimbursed by it or by the Fund's predecessor advisor for up to three years after the fiscal year in which the waiver or reimbursement took place, subject to any operating expense limits in effect at the time of the original waiver or expense reimbursement and at the time of recoupment or reimbursement.