XML 15 R15.htm IDEA: XBRL DOCUMENT v3.10.0.1
Label Element Value
Risk/Return: rr_RiskReturnAbstract  
Registrant Name dei_EntityRegistrantName WILMINGTON FUNDS
Prospectus Date rr_ProspectusDate Aug. 31, 2018
Wilmington International Fund  
Risk/Return: rr_RiskReturnAbstract  
Risk/Return [Heading] rr_RiskReturnHeading WILMINGTON INTERNATIONAL FUND SUMMARY (formerly, Wilmington Multi-Manager International Fund)
Objective [Heading] rr_ObjectiveHeading Investment Goal
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock The Fund seeks to provide long-term capital appreciation, primarily through a diversified portfolio of non-U.S. equity securities.
Expense [Heading] rr_ExpenseHeading Fees and Expenses
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock This table describes the fees and expenses that you may pay if you buy and hold the Fund’s Class A Shares and Class I Shares. “Acquired Fund Fees and Expenses” are expenses incurred indirectly by the Fund through its ownership of shares in other investment companies, such as business development companies. Business development company expenses are similar to the expenses paid by any operating company held by the Fund and are reflected in the business development company’s total operating expense ratio. They are not direct costs paid by Fund shareholders and are not used to calculate the Fund’s net asset value. They have no impact on the costs associated with fund operations. Acquired Fund Fees and Expenses are not included in the Fund’s financial statements, which provide a clearer picture of a fund’s actual operating costs. You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in the Wilmington Funds. More information about these and other discounts is available from your financial professional, in the Fund’s prospectus in the section entitled “How are shares priced?”.
Shareholder Fees Caption [Text] rr_ShareholderFeesCaption Shareholder Fees
(Fees paid directly from your investment)
Operating Expenses Caption [Text] rr_OperatingExpensesCaption 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 rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination August 31, 2019
Portfolio Turnover [Heading] rr_PortfolioTurnoverHeading Portfolio Turnover
Portfolio Turnover [Text Block] rr_PortfolioTurnoverTextBlock The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 75% of the average value of the portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 75.00%
Expense Breakpoint Discounts [Text] rr_ExpenseBreakpointDiscounts You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in the Wilmington Funds.
Expense Breakpoint, Minimum Investment Required [Amount] rr_ExpenseBreakpointMinimumInvestmentRequiredAmount $ 50,000
Expense Example [Heading] rr_ExpenseExampleHeading Example
Expense Example Narrative [Text Block] rr_ExpenseExampleNarrativeTextBlock This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.

The Example assumes that you invest $10,000 in the Fund’s Class A Shares and Class I Shares 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 the Fund’s operating expenses remain the same. The costs for the Fund reflect the net expenses of the Fund that result from the fee waiver/expense reimbursement in the first year only. Although your actual costs and returns may be higher or lower, based on these assumptions your costs would be:
Strategy [Heading] rr_StrategyHeading Principal Investment Strategies of the Fund
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock The Fund seeks to achieve its investment goal by investing substantially all, but under normal circumstances not less than 80%, of the value of its net assets in a diversified portfolio of foreign securities, including common stocks of large-cap and small-cap companies, emerging markets securities and exchange-traded funds (“ETFs”). Some of the foreign securities may be from emerging markets. The Fund invests primarily in the equity markets listed in the Morgan Stanley Capital International All Country World Index ex US (“MSCI ACWI ex-US Net”) Index, the benchmark against which the Fund measures the performance of its portfolio. The Fund may also invest in forward currency exchange contracts to achieve allocation strategies. The Advisor seeks to achieve the Fund’s investment goal by allocating the Fund’s assets (in an arrangement known as a multi-manager structure) among a number of sub-advisors with experience in managing international investment strategies. The Advisor engages Wilmington Trust Investment Advisors, Inc. (“WTIA”) to assist in the identification and selection of sub-advisors and in the portfolio construction process.

The Advisor and WTIA utilize a blended style of investing by allocating and reallocating for investment management purposes varying portions of the portfolio among the Fund’s sub-advisors.

Each sub-advisor has complete discretion to invest its portion of the Fund’s assets as it deems appropriate within the constraints of the Fund’s investment goal, strategies and restrictions. A sub-advisor may sell (or close a position in) a security when it determines that a particular security has reached a target price or target yield, or that the reasons for maintaining that position are no longer valid.
Risk [Heading] rr_RiskHeading Principal Risks of Investing in the Fund
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock All mutual funds take investment risks. Therefore, it is possible to lose money by investing in the Fund. The primary factors that may reduce the Fund’s returns include:
  • Asset Allocation Risk. The investment advisor’s asset allocation decisions among various investments may not anticipate market trends successfully. The investment advisor may make less than optimal or poor asset allocation decisions. The investment advisor attempts to identify investment allocations that will provide consistent, quality performance for the Fund, but there is no guarantee that the allocation techniques will produce the desired results. It is possible that the investment advisor will focus on an investment that performs poorly or underperforms other investments under various market conditions. You could lose money on your investment in the Fund as a result of these allocation decisions.
  • Company Size Risk. The smaller companies in which the Fund may invest may have unproven track records, a limited product or service base, limited access to capital, and other attributes that can cause their share prices to fluctuate, and they may be more likely to fail than larger companies. Therefore, smaller companies may entail greater risks for investors than larger companies.
  • Currency Risk. Securities denominated in foreign currencies may be adversely affected by changes in currency rates and by substantial currency conversion costs.
  • Emerging Market Countries Risk. Securities issued or traded in emerging markets generally entail greater risks than securities issued or traded in developed markets.
  • Exchange Traded Funds (“ETFs”) Risk. An investment in an ETF generally presents the same primary risks as an investment in a conventional fund (i.e., one that is not exchange-traded) that has the same investment objectives, strategies, and policies. The price of an ETF can fluctuate up or down, and the Fund could lose money investing in an ETF if the prices of the securities owned by the ETF go down. In addition, ETFs may be subject to the following risks that do not apply to conventional funds: (i) the market price of an ETF’s shares may trade above or below their net asset value; (ii) an active trading market for an ETF’s shares may not develop or be maintained; or (iii) trading of an ETF’s shares may be halted if the listing exchange’s officials deem such action appropriate, the shares are delisted from the exchange, or the activation of market-wide “circuit breakers” (which are tied to large decreases in stock prices) halts stock trading generally.
  • Foreign Investing Risks. Economic, political or regulatory conditions may be less favorable, and markets may be less liquid, less transparent and more volatile, in foreign countries, and in particular in emerging markets, than in the United States. Currency fluctuations may reduce investment gains or add to investment losses.
  • Forward Currency Exchange Contract Risk. A forward foreign currency exchange contract is an agreement to buy or sell a specific currency at a future date and at a price set at the time of the contract. Forward foreign currency exchange contracts may reduce the risk of a loss from a change in value of a currency, but they also limit any potential gains, do not protect against fluctuations in the value of the underlying position and are subject to counterparty risk.
  • Growth Investing Risk. Due to their relatively high valuations, growth stocks are typically more volatile than value stocks.
  • Multi-Manager Risk. The investment styles employed by sub-advisors may not be complementary. The multi-manager approach could result in a high level of portfolio turnover, resulting in higher brokerage expenses and increased tax liability from the Fund’s realization of capital gains.
  • Stock Market Risk. The value of equity securities in the Fund’s portfolio will fluctuate and, as a result, the Fund’s share price may decline suddenly or over a sustained period of time.
  • Value Investing Risk. Due to their relatively low valuations, value stocks are typically less volatile than growth stocks and therefore may lag behind growth stocks in an up market.
As with any mutual fund investment, loss of money is a risk of investing. An investment in the Fund is not a deposit in a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.
Risk Lose Money [Text] rr_RiskLoseMoney All mutual funds take investment risks. Therefore, it is possible to lose money by investing in the Fund.
Risk Not Insured Depository Institution [Text] rr_RiskNotInsuredDepositoryInstitution An investment in the Fund is not a deposit in a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading Performance Information
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock The returns presented for the Fund for periods prior to March 9, 2012 reflect the performance of a former series of WT Mutual Fund, known as Wilmington Multi-Manager International Fund (the “Predecessor Fund”). The Fund adopted the performance of the Predecessor Fund as the result of a reorganization in which the Fund acquired all of the assets, subject to the liabilities, of the Predecessor Fund. The Fund and the Predecessor Fund have substantially similar investment goals and strategies.

The bar chart and table immediately following show the variability of the Fund’s returns and are meant to provide some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year, with respect to its Class I Shares, and by showing how the Fund’s average annual total returns for 1, 5 and 10 years or the life of the Fund compare with those of broad measures of market performance. The Fund’s past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. Updated performance information is available at www.wilmingtonfunds.com.
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The bar chart and table immediately following show the variability of the Fund’s returns and are meant to provide some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year, with respect to its Class I Shares, and by showing how the Fund’s average annual total returns for 1, 5 and 10 years or the life of the Fund compare with those of broad measures of market performance.
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.wilmingtonfunds.com
Performance Past Does Not Indicate Future [Text] rr_PerformancePastDoesNotIndicateFuture The Fund’s past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.
Bar Chart [Heading] rr_BarChartHeading Annual Total Returns – Class I Shares
Performance Over 10 Years
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock

Best Quarter

25.70%

6/30/2009

 

Worst Quarter

(22.28)%

12/31/2008

 


The Fund’s Class I Shares total return for the six-month period from January 1, 2018 to June 30, 2018 was (3.88)%. The average annual total returns in the table below include the maximum Class A sales charge of 5.50%, which is normally deducted when you purchase shares.
Performance Table Heading rr_PerformanceTableHeading Average Annual Total Returns
(For the periods ended December 31, 2017)
Performance Table Does Reflect Sales Loads rr_PerformanceTableDoesReflectSalesLoads The average annual total returns in the table below include the maximum Class A sales charge of 5.50%, which is normally deducted when you purchase shares.
Performance Table Uses Highest Federal Rate rr_PerformanceTableUsesHighestFederalRate When after-tax returns are calculated, it is assumed that the shareholder was in the highest individual federal marginal income tax bracket at the time of each distribution of income or capital gains or upon redemption. State and local income taxes are not reflected in the calculations.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred Please note that after-tax returns are not relevant for a shareholder who holds Fund shares in a tax-advantaged account, such as an individual retirement account or a 401(k) plan.
Performance Table One Class of after Tax Shown [Text] rr_PerformanceTableOneClassOfAfterTaxShown After-tax performance is presented only for Class I Shares of the Fund. The after-tax returns for other Fund classes may vary.
Performance Table Narrative rr_PerformanceTableNarrativeTextBlock After-tax performance is presented only for Class I Shares of the Fund. The after-tax returns for other Fund classes may vary. Actual after-tax returns depend on your tax situation and may differ from those shown in the preceding table. When after-tax returns are calculated, it is assumed that the shareholder was in the highest individual federal marginal income tax bracket at the time of each distribution of income or capital gains or upon redemption. State and local income taxes are not reflected in the calculations. Please note that after-tax returns are not relevant for a shareholder who holds Fund shares in a tax-advantaged account, such as an individual retirement account or a 401(k) plan.
Wilmington International Fund | Class A  
Risk/Return: rr_RiskReturnAbstract  
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice 5.50%
Maximum Deferred Sales Charge (Load) rr_MaximumDeferredSalesChargeOverOther none
Maximum Sales Charge (Load) Imposed on Reinvested Dividends (and other Distributions) rr_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther none
Redemption Fee rr_RedemptionFeeOverRedemption none
Exchange Fee rr_ExchangeFeeOverRedemption none
Management Fee rr_ManagementFeesOverAssets 0.80%
Distribution and/or Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other Expenses rr_OtherExpensesOverAssets 0.43%
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.02%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.50%
Fee Waivers and/or Expense Reimbursements rr_FeeWaiverOrReimbursementOverAssets (0.50%) [1]
Total Annual Fund Operating Expenses After Fee Waiver/Expense Reimbursement rr_NetExpensesOverAssets 1.00%
1 Year rr_ExpenseExampleYear01 $ 646
3 Years rr_ExpenseExampleYear03 952
5 Years rr_ExpenseExampleYear05 1,279
10 Years rr_ExpenseExampleYear10 $ 2,202
1 Year rr_AverageAnnualReturnYear01 26.10%
5 Years rr_AverageAnnualReturnYear05 5.93%
10 Years rr_AverageAnnualReturnYear10 0.74%
Wilmington International Fund | Class I  
Risk/Return: rr_RiskReturnAbstract  
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (Load) rr_MaximumDeferredSalesChargeOverOther none
Maximum Sales Charge (Load) Imposed on Reinvested Dividends (and other Distributions) rr_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther none
Redemption Fee rr_RedemptionFeeOverRedemption none
Exchange Fee rr_ExchangeFeeOverRedemption none
Management Fee rr_ManagementFeesOverAssets 0.80%
Distribution and/or Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses rr_OtherExpensesOverAssets 0.43%
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.02%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.25%
Fee Waivers and/or Expense Reimbursements rr_FeeWaiverOrReimbursementOverAssets (0.38%) [1]
Total Annual Fund Operating Expenses After Fee Waiver/Expense Reimbursement rr_NetExpensesOverAssets 0.87%
1 Year rr_ExpenseExampleYear01 $ 89
3 Years rr_ExpenseExampleYear03 359
5 Years rr_ExpenseExampleYear05 650
10 Years rr_ExpenseExampleYear10 $ 1,478
2008 rr_AnnualReturn2008 (46.16%)
2009 rr_AnnualReturn2009 37.14%
2010 rr_AnnualReturn2010 16.08%
2011 rr_AnnualReturn2011 (17.49%)
2012 rr_AnnualReturn2012 15.47%
2013 rr_AnnualReturn2013 13.68%
2014 rr_AnnualReturn2014 (3.83%)
2015 rr_AnnualReturn2015 (4.34%)
2016 rr_AnnualReturn2016 1.59%
2017 rr_AnnualReturn2017 33.56%
Year to Date Return, Label rr_YearToDateReturnLabel total return
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Jun. 30, 2018
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn (3.88%)
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Best Quarter
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Jun. 30, 2009
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 25.70%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Worst Quarter
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Dec. 31, 2008
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (22.28%)
1 Year rr_AverageAnnualReturnYear01 33.56%
5 Years rr_AverageAnnualReturnYear05 7.25%
10 Years rr_AverageAnnualReturnYear10 1.48%
Wilmington International Fund | Return After Taxes on Distributions | Class I  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 33.12%
5 Years rr_AverageAnnualReturnYear05 6.90%
10 Years rr_AverageAnnualReturnYear10 1.23%
Wilmington International Fund | Return After Taxes on Distributions and Sale of Fund Shares | Class I  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 19.20%
5 Years rr_AverageAnnualReturnYear05 5.66%
10 Years rr_AverageAnnualReturnYear10 1.23%
Wilmington International Fund | MSCI ACWI ex-US Net Index (reflects no deductions for fees, expenses or taxes)  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 27.19%
5 Years rr_AverageAnnualReturnYear05 6.80%
10 Years rr_AverageAnnualReturnYear10 1.84%
[1] The Fund’s Advisor, distributor and shareholder services provider have agreed to waive their fees and/or reimburse expenses so that the total annual fund operating expenses paid by the Fund’s Class A Shares and Class I Shares will not exceed 0.98% and 0.85%, respectively, not including the effects of acquired fund fees and expenses, taxes or extraordinary expenses. This waiver may be amended or withdrawn after August 31, 2019, or with the agreement of the Fund’s Board of Trustees.