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  <rr:AnnualFundOperatingExpensesTableTextBlock contextRef="Duration_18Dec2011_17Dec2012S000039383_Member">&lt;div style="display:none"&gt;~ http://www.inginvestment.com/role/ScheduleAnnualFundOperatingExpensesINGShortTermBondFund column period compact * ~&lt;/div&gt;</rr:AnnualFundOperatingExpensesTableTextBlock>
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  <rr:ProspectusDate contextRef="Duration_18Dec2011_17Dec2012">2012-12-17</rr:ProspectusDate>
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  <rr:ObjectivePrimaryTextBlock contextRef="Duration_18Dec2011_17Dec2012S000039383_Member">The Fund seeks maximum total return.</rr:ObjectivePrimaryTextBlock>
  <rr:RiskReturnHeading contextRef="Duration_18Dec2011_17Dec2012S000039383_Member">&lt;b&gt;ING Short Term Bond Fund&lt;/b&gt;</rr:RiskReturnHeading>
  <rr:ObjectiveHeading contextRef="Duration_18Dec2011_17Dec2012S000039383_Member">&lt;b&gt;INVESTMENT OBJECTIVE&lt;/b&gt;</rr:ObjectiveHeading>
  <rr:ExpenseHeading contextRef="Duration_18Dec2011_17Dec2012S000039383_Member">&lt;b&gt;FEES AND EXPENSES OF THE FUND&lt;/b&gt;</rr:ExpenseHeading>
  <rr:ExpenseNarrativeTextBlock contextRef="Duration_18Dec2011_17Dec2012S000039383_Member">These tables describe the fees and expenses that you may pay if you buy and hold shares of the Fund. You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $100,000 in ING Funds. More information about these and other discounts is available from your financial professional and in the discussion in the Sales Charges section of the Prospectus (page 18) or the Statement of Additional Information (page 137).</rr:ExpenseNarrativeTextBlock>
  <rr:ShareholderFeesCaption contextRef="Duration_18Dec2011_17Dec2012S000039383_Member">&lt;b&gt;Shareholder Fees&lt;br /&gt;Fees paid directly from your investment&lt;/b&gt;</rr:ShareholderFeesCaption>
  <rr:OperatingExpensesCaption contextRef="Duration_18Dec2011_17Dec2012S000039383_Member">&lt;b&gt;Annual Fund Operating Expenses&lt;br /&gt;Expenses you pay each year as a % of the value of your investment&lt;/b&gt;</rr:OperatingExpensesCaption>
  <rr:ExpenseExampleHeading contextRef="Duration_18Dec2011_17Dec2012S000039383_Member">&lt;b&gt;Expense Examples $&lt;/b&gt;</rr:ExpenseExampleHeading>
  <rr:ExpenseExampleNarrativeTextBlock contextRef="Duration_18Dec2011_17Dec2012S000039383_Member">The Examples are intended to help you compare the cost of investing in shares of the Fund with the costs of investing in other mutual funds. The Examples assume that you invest $10,000 in the Fund for the time periods indicated. The Examples show costs if you sold (redeemed) your shares at the end of the period or continued to hold them. The Examples also assume that your investment had a 5% return each year and that the Fund&amp;#8217;s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:</rr:ExpenseExampleNarrativeTextBlock>
  <rr:ExpenseExampleClosingTextBlock contextRef="Duration_18Dec2011_17Dec2012S000039383_Member">The Examples reflect applicable expense limitation agreements and/or waivers in effect, if any, for the one-year period and the first year of the three-year period.</rr:ExpenseExampleClosingTextBlock>
  <rr:StrategyHeading contextRef="Duration_18Dec2011_17Dec2012S000039383_Member">&lt;b&gt;PRINCIPAL INVESTMENT STRATEGIES&lt;/b&gt;</rr:StrategyHeading>
  <rr:StrategyNarrativeTextBlock contextRef="Duration_18Dec2011_17Dec2012S000039383_Member">Under normal market conditions, the Fund invests at least 80% of its net assets (plus borrowing for investment purposes) in a diversified portfolio of bonds or derivative instruments having economic characteristics similar to bonds. The Fund will provide shareholders with at least 60 days&amp;#8217; prior notice of any change in this investment policy. The average dollar-weighted maturity of the Fund will not exceed 3 years.&lt;br /&gt;&lt;br /&gt;The Fund invests in non-government issued debt securities, issued by companies of all sizes, rated investment-grade, but may also invest up to 10% of its total assets in high yield securities, (commonly referred to as &amp;#8220;junk bonds,&amp;#8221;) rated B or better by Moody&amp;#8217;s Investors Service, Inc. (&amp;#8220;Moody&amp;#8217;s&amp;#8221;) or equivalently rated by Standard &amp;amp; Poor&amp;#8217;s Ratings Services (&amp;#8220;S&amp;amp;P&amp;#8221;) or by Fitch Ratings (&amp;#8220;Fitch&amp;#8221;) or, if not rated by Moody&amp;#8217;s, S&amp;amp;P or Fitch, if the sub-adviser (&amp;#8220;Sub-Adviser&amp;#8221;) determines at the time of purchase that they are of comparable quality. Money market securities must be rated in the two highest rating categories by Moody&amp;#8217;s (P-1 or P-2), S&amp;amp;P (A-1+, A-1 or A-2) or Fitch (A-1+, A-1 or A-2), or determined, at the time of purchase, to be of comparable quality by the Sub-Adviser.&lt;br /&gt;&lt;br /&gt; The Fund may also invest in: preferred stocks; U.S. government securities, securities of foreign governments, and supranational organizations; mortgage-backed and asset-backed debt securities; municipal bonds, notes, and commercial paper; and debt securities of foreign issuers. The Fund may engage in dollar roll transactions and swap agreements, including credit default swaps. The Fund may use options and futures contracts involving securities, securities indices and interest rates to hedge against market risk, to enhance returns, and as a substitute for taking a position in the underlying asset.&lt;br /&gt;&lt;br /&gt;In addition, private placements of debt securities (which are often restricted securities) are eligible for purchase along with other illiquid securities.&lt;br /&gt;&lt;br /&gt;The Fund may invest in other investment companies, including exchange-traded funds, to the extent permitted under the Investment Company Act of 1940, as amended, and the rules, regulations, and exemptive orders thereunder (&amp;#8220;1940 Act&amp;#8221;).&lt;br /&gt;&lt;br /&gt;The Sub-Adviser believes that relationships between the drivers of fixed-income returns change over time and that recognizing this is key to managing fixed-income assets. Therefore, the Sub-Adviser employs a dynamic investment process that balances top-down macro economic considerations and fundamental bottom-up analysis during the steps of its investment process - sector allocation, security selection, duration and yield curve management. This includes leveraging proprietary qualitative analysis along with quantitative tools throughout the portfolio construction process.&lt;br /&gt;&lt;br /&gt;The Sub-Adviser may sell securities for a variety of reasons, such as to secure gains, limit losses, or redeploy assets into opportunities believed to be more promising, among others.&lt;br /&gt;&lt;br /&gt;The Fund may lend portfolio securities on a short-term or long-term basis, up to 33&lt;sup style="POSITION: relative; BOTTOM: 0.7em; FONT-SIZE: 80%; VERTICAL-ALIGN: baseline"&gt;1&lt;/sup&gt; /&lt;sub style="POSITION: relative; BOTTOM: -0.3em; FONT-SIZE: 75%; VERTICAL-ALIGN: baseline"&gt; 3&lt;/sub&gt; % of its total assets.</rr:StrategyNarrativeTextBlock>
  <rr:PerformanceNarrativeTextBlock contextRef="Duration_18Dec2011_17Dec2012S000039383_Member">Because the Fund had not commenced operations as of the calendar year ended December 31, 2011, there is no annual performance information included.</rr:PerformanceNarrativeTextBlock>
  <rr:RiskHeading contextRef="Duration_18Dec2011_17Dec2012S000039383_Member">&lt;b&gt;PRINCIPAL RISKS&lt;/b&gt;</rr:RiskHeading>
  <rr:RiskNarrativeTextBlock contextRef="Duration_18Dec2011_17Dec2012S000039383_Member">You could lose money on an investment in the Fund. Any of the following risks, among others, could affect Fund performance or cause the Fund to lose money or to underperform market averages of other funds.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Call &lt;/b&gt;During periods of falling interest rates, a bond issuer may &amp;#8220;call&amp;#8221; or repay its high-yielding bond before the bond&amp;#8217;s maturity date. If forced to invest the unanticipated proceeds at lower interest rates, the Fund would experience a decline in income.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Company&lt;/b&gt;   The price of a given company&amp;#8217;s stock could decline or underperform for many reasons including, among others, poor management, financial problems, or business challenges. If a company declares bankruptcy or becomes insolvent, its stock could become worthless.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Credit&lt;/b&gt;   Prices of bonds and other debt securities can fall if the issuer&amp;#8217;s actual or perceived financial health deteriorates, whether because of broad economic or issuer-specific reasons. In certain cases, the issuer could be late in paying interest or principal, or could fail to pay altogether.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Credit Default Swaps&lt;/b&gt;   The Fund may enter into credit default swaps, either as a buyer or a seller of the swap. As a buyer of the swap, the Fund pays a fee to protect against the risk that a security held by the Fund will default. As a seller of the swap, the Fund receives payment(s) in return for its obligation to pay the counterparty an agreed upon value of a security in the event of a default of the security issuer. Credit default swaps are largely unregulated and susceptible to liquidity, credit, and counterparty risks.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Currency&lt;/b&gt;   To the extent that the Fund invests directly in foreign currencies or in securities denominated in, or that trade in, foreign (non-U.S.) currencies, it is subject to the risk that those currencies will decline in value relative to the U.S. dollar or, in the case of hedging positions, that the U.S. dollar will decline in value relative to the currency being hedged.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Derivative Instruments&lt;/b&gt;   Derivative instruments are subject to a number of risks, including the risk of changes in the market price of the underlying securities, credit risk with respect to the counterparty, risk of loss due to changes in interest rates and liquidity risk. The use of certain derivatives may also have a leveraging effect which may increase the volatility of the Fund and reduce its returns.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Foreign Investments&lt;/b&gt;   Investing in foreign (non-U.S.) securities may result in the Fund experiencing more rapid and extreme changes in value than a fund that invests exclusively in securities of U.S. companies due to: smaller markets; differing reporting, accounting, and auditing standards; nationalization, expropriation, or confiscatory taxation; foreign currency fluctuations, currency blockage, or replacement; potential for default on sovereign debt; or political changes or diplomatic developments.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;High-Yield Securities&lt;/b&gt;   Investments rated below investment-grade (or of similar quality if unrated) are known as &amp;#8220;high-yield securities&amp;#8221; or &amp;#8220;junk bonds.&amp;#8221; High-yield securities are subject to greater levels of credit and liquidity risks. High-yield securities are considered primarily speculative with respect to the issuer&amp;#8217;s continuing ability to make principal and interest payments.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Interest Rate&lt;/b&gt;   With bonds and other fixed rate debt securities, a rise in interest rates generally causes values to fall; conversely, values generally rise as interest rates fall. The higher the credit quality of the security, and the longer its maturity or duration, the more sensitive it is likely to be to interest rate risk.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Liquidity&lt;/b&gt;   If a security is illiquid, the Fund might be unable to sell the security at a time when the Fund&amp;#8217;s manager might wish to sell, and the security could have the effect of decreasing the overall level of the Fund&amp;#8217;s liquidity. Further, the lack of an established secondary market may make it more difficult to value illiquid securities, which could vary from the amount the Fund could realize upon disposition. The Fund may make investments that become less liquid in response to market developments or adverse investor perception. The Fund could lose money if it cannot sell a security at the time and price that would be most beneficial to the Fund.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Market&lt;/b&gt;   Stock prices may be volatile and are affected by the real or perceived impacts of such factors as economic conditions and political events. The stock market tends to be cyclical, with periods when stock prices generally rise and periods when stock prices generally decline. Any given stock market segment may remain out of favor with investors for a short or long period of time, and stocks as an asset class may underperform bonds or other asset classes during some periods.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Mortgage- and/or Asset-Backed Securities&lt;/b&gt; Defaults on or the low credit quality or liquidity of the underlying assets of the asset-backed (including mortgage-backed) securities held by the Fund may impair the value of the securities. There may be limitations on the enforceability of any security interest granted with respect to those underlying assets. These securities also present a higher degree of prepayment and extension risk and interest rate risk than do other types of fixed-income securities.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Municipal Obligations&lt;/b&gt;   The municipal market in which the Fund invests is volatile and can be significantly affected by adverse tax, legislative, or political changes and the financial condition of the issuers of municipal securities.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Other Investment Companies&lt;/b&gt;   The main risk of investing in other investment companies, including exchange-traded funds, is the risk that the value of the securities underlying an investment company might decrease. Because the Fund may invest in other investment companies, you will pay a proportionate share of the expenses of those other investment companies (including management fees, administration fees, and custodial fees) in addition to the expenses of the Fund.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Prepayment and Extension&lt;/b&gt;   Prepayment risk is the risk that principal on mortgages or other loan obligations underlying a security may be repaid prior to the stated maturity date, which may reduce the market value of the security and the anticipated yield-to-maturity. Extension risk is the risk that an issuer will exercise its right to repay principal on an obligation held by the Fund later than expected, which may decrease the value of the obligation and prevent the Fund from investing expected repayment proceeds in securities paying yields higher than the yields paid by the securities that were expected to be repaid.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Securities Lending&lt;/b&gt;   Securities lending involves two primary risks: &amp;#8220;investment risk&amp;#8221; and &amp;#8220;borrower default risk.&amp;#8221; Investment risk is the risk that the Fund will lose money from the investment of the cash collateral received from the borrower. Borrower default risk is the risk that the Fund will lose money due to the failure of a borrower to return a borrowed security in a timely manner.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Sovereign Debt&lt;/b&gt;   These securities are issued or guaranteed by foreign government entities. Investments in sovereign debt are subject to the risk that a government entity may delay payment, restructure its debt, or refuse to pay interest or repay principal on its sovereign debt. Some of these reasons may include cash flow problems, insufficient foreign currency reserves, political considerations, the relative size of its debt position to its economy or its failure to put in place economic reforms required by the International Monetary Fund or other multilateral agencies. If a government entity defaults, it may ask for more time in which to pay or for further loans. There is no legal process for collecting sovereign debts that a government does not pay or bankruptcy proceeding by which all or part of sovereign debt that a government entity has not repaid may be collected.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;U.S. Government Securities and Obligations&lt;/b&gt;   U.S. government securities are obligations of, or guaranteed by, the U.S. government, its agencies or government-sponsored enterprises. U.S. government securities are subject to market and interest rate risk, and may be subject to varying degrees of credit risk.&lt;br /&gt;&lt;br /&gt;An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation, the Federal Reserve Board or any other government agency.</rr:RiskNarrativeTextBlock>
  <rr:BarChartAndPerformanceTableHeading contextRef="Duration_18Dec2011_17Dec2012S000039383_Member">&lt;b&gt;PERFORMANCE INFORMATION&lt;/b&gt;</rr:BarChartAndPerformanceTableHeading>
  <rr:RiskLoseMoney contextRef="Duration_18Dec2011_17Dec2012S000039383_Member">You could lose money on an investment in the Fund.</rr:RiskLoseMoney>
  <rr:RiskNotInsuredDepositoryInstitution contextRef="Duration_18Dec2011_17Dec2012S000039383_Member">An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation, the Federal Reserve Board or any other government agency.</rr:RiskNotInsuredDepositoryInstitution>
  <rr:PerformanceOneYearOrLess contextRef="Duration_18Dec2011_17Dec2012S000039383_Member">Because the Fund had not commenced operations as of the calendar year ended December 31, 2011, there is no annual performance information included.</rr:PerformanceOneYearOrLess>
  <rr:PortfolioTurnoverHeading contextRef="Duration_18Dec2011_17Dec2012S000039383_Member">&lt;b&gt;Portfolio Turnover % of average value of portfolio&lt;/b&gt;</rr:PortfolioTurnoverHeading>
  <rr:PortfolioTurnoverTextBlock contextRef="Duration_18Dec2011_17Dec2012S000039383_Member">The Fund pays transaction costs, such as commissions, when it buys and sells securities (or &amp;#8220;turns over&amp;#8221; its portfolio). A higher portfolio turnover rate may indicate higher transactions costs and may mean higher taxes if you are investing in a taxable account. These costs, which are not reflected in Annual Fund Operating Expenses or in the Expense Examples, affect the Fund&amp;#8217;s performance.&lt;br /&gt;&lt;br /&gt;Since the Fund had not commenced operations as of the date of this Prospectus, there is no annual portfolio turnover rate information included.</rr:PortfolioTurnoverTextBlock>
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  <rr:ManagementFeesOverAssets decimals="4" contextRef="Duration_18Dec2011_17Dec2012S000039383_MemberC000121359_Member" unitRef="pure">0.0035</rr:ManagementFeesOverAssets>
  <rr:ManagementFeesOverAssets decimals="4" contextRef="Duration_18Dec2011_17Dec2012S000039383_MemberC000121360_Member" unitRef="pure">0.0035</rr:ManagementFeesOverAssets>
  <rr:ManagementFeesOverAssets decimals="4" contextRef="Duration_18Dec2011_17Dec2012S000039383_MemberC000121362_Member" unitRef="pure">0.0035</rr:ManagementFeesOverAssets>
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  <rr:OtherExpensesOverAssets id="Item_3" decimals="4" contextRef="Duration_18Dec2011_17Dec2012S000039383_MemberC000121358_Member" unitRef="pure">0.0021</rr:OtherExpensesOverAssets>
  <rr:OtherExpensesOverAssets id="Item_4" decimals="4" contextRef="Duration_18Dec2011_17Dec2012S000039383_MemberC000121359_Member" unitRef="pure">0.0021</rr:OtherExpensesOverAssets>
  <rr:OtherExpensesOverAssets id="Item_5" decimals="4" contextRef="Duration_18Dec2011_17Dec2012S000039383_MemberC000121360_Member" unitRef="pure">0.0015</rr:OtherExpensesOverAssets>
  <rr:OtherExpensesOverAssets id="Item_6" decimals="4" contextRef="Duration_18Dec2011_17Dec2012S000039383_MemberC000121362_Member" unitRef="pure">0.0021</rr:OtherExpensesOverAssets>
  <rr:ExpensesOverAssets decimals="4" contextRef="Duration_18Dec2011_17Dec2012S000039383_MemberC000121358_Member" unitRef="pure">0.0091</rr:ExpensesOverAssets>
  <rr:ExpensesOverAssets decimals="4" contextRef="Duration_18Dec2011_17Dec2012S000039383_MemberC000121359_Member" unitRef="pure">0.0166</rr:ExpensesOverAssets>
  <rr:ExpensesOverAssets decimals="4" contextRef="Duration_18Dec2011_17Dec2012S000039383_MemberC000121360_Member" unitRef="pure">0.006</rr:ExpensesOverAssets>
  <rr:ExpensesOverAssets decimals="4" contextRef="Duration_18Dec2011_17Dec2012S000039383_MemberC000121362_Member" unitRef="pure">0.0066</rr:ExpensesOverAssets>
  <rr:FeeWaiverOrReimbursementOverAssets id="Item_7" decimals="4" contextRef="Duration_18Dec2011_17Dec2012S000039383_MemberC000121358_Member" unitRef="pure">-0.0011</rr:FeeWaiverOrReimbursementOverAssets>
  <rr:FeeWaiverOrReimbursementOverAssets id="Item_8" decimals="4" contextRef="Duration_18Dec2011_17Dec2012S000039383_MemberC000121359_Member" unitRef="pure">-0.0011</rr:FeeWaiverOrReimbursementOverAssets>
  <rr:FeeWaiverOrReimbursementOverAssets id="Item_9" decimals="4" contextRef="Duration_18Dec2011_17Dec2012S000039383_MemberC000121360_Member" unitRef="pure">-0.001</rr:FeeWaiverOrReimbursementOverAssets>
  <rr:FeeWaiverOrReimbursementOverAssets id="Item_10" decimals="4" contextRef="Duration_18Dec2011_17Dec2012S000039383_MemberC000121362_Member" unitRef="pure">-0.0011</rr:FeeWaiverOrReimbursementOverAssets>
  <rr:NetExpensesOverAssets decimals="4" contextRef="Duration_18Dec2011_17Dec2012S000039383_MemberC000121358_Member" unitRef="pure">0.008</rr:NetExpensesOverAssets>
  <rr:NetExpensesOverAssets decimals="4" contextRef="Duration_18Dec2011_17Dec2012S000039383_MemberC000121359_Member" unitRef="pure">0.0155</rr:NetExpensesOverAssets>
  <rr:NetExpensesOverAssets decimals="4" contextRef="Duration_18Dec2011_17Dec2012S000039383_MemberC000121360_Member" unitRef="pure">0.005</rr:NetExpensesOverAssets>
  <rr:NetExpensesOverAssets decimals="4" contextRef="Duration_18Dec2011_17Dec2012S000039383_MemberC000121362_Member" unitRef="pure">0.0055</rr:NetExpensesOverAssets>
  <rr:ExpenseExampleYear01 decimals="INF" contextRef="Duration_18Dec2011_17Dec2012S000039383_MemberC000121358_Member" unitRef="USD">330</rr:ExpenseExampleYear01>
  <rr:ExpenseExampleYear01 decimals="INF" contextRef="Duration_18Dec2011_17Dec2012S000039383_MemberC000121359_Member" unitRef="USD">258</rr:ExpenseExampleYear01>
  <rr:ExpenseExampleYear01 decimals="INF" contextRef="Duration_18Dec2011_17Dec2012S000039383_MemberC000121360_Member" unitRef="USD">51</rr:ExpenseExampleYear01>
  <rr:ExpenseExampleYear01 decimals="INF" contextRef="Duration_18Dec2011_17Dec2012S000039383_MemberC000121362_Member" unitRef="USD">56</rr:ExpenseExampleYear01>
  <rr:ExpenseExampleYear03 decimals="INF" contextRef="Duration_18Dec2011_17Dec2012S000039383_MemberC000121358_Member" unitRef="USD">520</rr:ExpenseExampleYear03>
  <rr:ExpenseExampleYear03 decimals="INF" contextRef="Duration_18Dec2011_17Dec2012S000039383_MemberC000121359_Member" unitRef="USD">511</rr:ExpenseExampleYear03>
  <rr:ExpenseExampleYear03 decimals="INF" contextRef="Duration_18Dec2011_17Dec2012S000039383_MemberC000121360_Member" unitRef="USD">180</rr:ExpenseExampleYear03>
  <rr:ExpenseExampleYear03 decimals="INF" contextRef="Duration_18Dec2011_17Dec2012S000039383_MemberC000121362_Member" unitRef="USD">198</rr:ExpenseExampleYear03>
  <rr:ExpenseExampleNoRedemptionYear01 decimals="INF" contextRef="Duration_18Dec2011_17Dec2012S000039383_MemberC000121358_Member" unitRef="USD">330</rr:ExpenseExampleNoRedemptionYear01>
  <rr:ExpenseExampleNoRedemptionYear01 decimals="INF" contextRef="Duration_18Dec2011_17Dec2012S000039383_MemberC000121359_Member" unitRef="USD">158</rr:ExpenseExampleNoRedemptionYear01>
  <rr:ExpenseExampleNoRedemptionYear01 decimals="INF" contextRef="Duration_18Dec2011_17Dec2012S000039383_MemberC000121360_Member" unitRef="USD">51</rr:ExpenseExampleNoRedemptionYear01>
  <rr:ExpenseExampleNoRedemptionYear01 decimals="INF" contextRef="Duration_18Dec2011_17Dec2012S000039383_MemberC000121362_Member" unitRef="USD">56</rr:ExpenseExampleNoRedemptionYear01>
  <rr:ExpenseExampleNoRedemptionYear03 decimals="INF" contextRef="Duration_18Dec2011_17Dec2012S000039383_MemberC000121358_Member" unitRef="USD">520</rr:ExpenseExampleNoRedemptionYear03>
  <rr:ExpenseExampleNoRedemptionYear03 decimals="INF" contextRef="Duration_18Dec2011_17Dec2012S000039383_MemberC000121359_Member" unitRef="USD">511</rr:ExpenseExampleNoRedemptionYear03>
  <rr:ExpenseExampleNoRedemptionYear03 decimals="INF" contextRef="Duration_18Dec2011_17Dec2012S000039383_MemberC000121360_Member" unitRef="USD">180</rr:ExpenseExampleNoRedemptionYear03>
  <rr:ExpenseExampleNoRedemptionYear03 decimals="INF" contextRef="Duration_18Dec2011_17Dec2012S000039383_MemberC000121362_Member" unitRef="USD">198</rr:ExpenseExampleNoRedemptionYear03>
  <rr:OtherExpensesNewFundBasedOnEstimates contextRef="Duration_18Dec2011_17Dec2012S000039383_Member">Other Expenses are based on estimated amounts for the current fiscal year.</rr:OtherExpensesNewFundBasedOnEstimates>
  <rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination contextRef="Duration_18Dec2011_17Dec2012S000039383_Member">August 1, 2014</rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination>
  <rr:ExpenseExampleNoRedemptionTableTextBlock contextRef="Duration_18Dec2011_17Dec2012S000039383_Member">&lt;div style="display:none"&gt;~ http://www.inginvestment.com/role/ScheduleExpenseExampleNoRedemptionTransposedINGShortTermBondFund column period compact * ~&lt;/div&gt;

</rr:ExpenseExampleNoRedemptionTableTextBlock>
  <rr:ExpensesDeferredChargesTextBlock contextRef="Duration_18Dec2011_17Dec2012S000039383_Member">A contingent deferred sales charge of 0.50% is assessed on certain redemptions of Class A shares made within 18 months after purchase where no initial sales charge was paid at the time of purchase as part of an investment of $500,000 or more.</rr:ExpensesDeferredChargesTextBlock>
  <rr:ShareholderFeesTableTextBlock contextRef="Duration_18Dec2011_17Dec2012S000039383_Member">&lt;div style="display:none"&gt;~ http://www.inginvestment.com/role/ScheduleShareholderFeesTransposedINGShortTermBondFund column period compact * ~&lt;/div&gt;

</rr:ShareholderFeesTableTextBlock>
  <link:footnoteLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
    <link:loc xlink:type="locator" xlink:href="#Item_2" xlink:label="MaximumDeferredSalesChargeOverOther" />
    <link:footnote xlink:type="resource" xlink:label="footnote_MaximumDeferredSalesChargeOverOther" xlink:role="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US" id="footnote_MaximumDeferredSalesChargeOverOther">A contingent deferred sales charge of 0.50% is assessed on certain redemptions of Class A shares made within 18 months after purchase where no initial sales charge was paid at the time of purchase as part of an investment of $500,000 or more.</link:footnote>
    <link:footnoteArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote" xlink:from="MaximumDeferredSalesChargeOverOther" xlink:to="footnote_MaximumDeferredSalesChargeOverOther" />
    <link:loc xlink:type="locator" xlink:href="#Item_3" xlink:label="OtherExpensesOverAssets" />
    <link:footnote xlink:type="resource" xlink:label="footnote_OtherExpensesOverAssets" xlink:role="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US" id="footnote_OtherExpensesOverAssets">Other Expenses are based on estimated amounts for the current fiscal year.</link:footnote>
    <link:footnoteArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote" xlink:from="OtherExpensesOverAssets" xlink:to="footnote_OtherExpensesOverAssets" />
    <link:loc xlink:type="locator" xlink:href="#Item_4" xlink:label="Item_4_lbl" />
    <link:footnoteArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote" xlink:from="Item_4_lbl" xlink:to="footnote_OtherExpensesOverAssets" use="optional" priority="0" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="#Item_5" xlink:label="Item_5_lbl" />
    <link:footnoteArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote" xlink:from="Item_5_lbl" xlink:to="footnote_OtherExpensesOverAssets" use="optional" priority="0" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="#Item_6" xlink:label="Item_6_lbl" />
    <link:footnoteArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote" xlink:from="Item_6_lbl" xlink:to="footnote_OtherExpensesOverAssets" use="optional" priority="0" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="#Item_7" xlink:label="FeeWaiverOrReimbursementOverAssets" />
    <link:footnote xlink:type="resource" xlink:label="footnote_FeeWaiverOrReimbursementOverAssets" xlink:role="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US" id="footnote_FeeWaiverOrReimbursementOverAssets">The adviser is contractually obligated to limit expenses to 0.80%, 1.55%, 0.50%, and 0.55% for Class A, Class C, Class I, and Class W shares, respectively, through August 1, 2014; the obligation does not extend to interest, taxes, brokerage commissions, extraordinary expenses, and Acquired Fund Fees and Expenses. The obligation will automatically renew for one-year terms unless it is terminated by the Fund or the adviser upon written notice within 90 days of the end of the current term or upon termination of the management agreement and is subject to possible recoupment by the adviser within three years.</link:footnote>
    <link:footnoteArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote" xlink:from="FeeWaiverOrReimbursementOverAssets" xlink:to="footnote_FeeWaiverOrReimbursementOverAssets" />
    <link:loc xlink:type="locator" xlink:href="#Item_8" xlink:label="Item_8_lbl" />
    <link:footnoteArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote" xlink:from="Item_8_lbl" xlink:to="footnote_FeeWaiverOrReimbursementOverAssets" use="optional" priority="0" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="#Item_9" xlink:label="Item_9_lbl" />
    <link:footnoteArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote" xlink:from="Item_9_lbl" xlink:to="footnote_FeeWaiverOrReimbursementOverAssets" use="optional" priority="0" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="#Item_10" xlink:label="Item_10_lbl" />
    <link:footnoteArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote" xlink:from="Item_10_lbl" xlink:to="footnote_FeeWaiverOrReimbursementOverAssets" use="optional" priority="0" order="1.0" />
  </link:footnoteLink>
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