0001193125-13-288992.txt : 20130712 0001193125-13-288992.hdr.sgml : 20130712 20130712104718 ACCESSION NUMBER: 0001193125-13-288992 CONFORMED SUBMISSION TYPE: 497 PUBLIC DOCUMENT COUNT: 7 FILED AS OF DATE: 20130712 DATE AS OF CHANGE: 20130712 EFFECTIVENESS DATE: 20130712 FILER: COMPANY DATA: COMPANY CONFORMED NAME: NATIONWIDE MUTUAL FUNDS CENTRAL INDEX KEY: 0001048702 IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1031 FILING VALUES: FORM TYPE: 497 SEC ACT: 1933 Act SEC FILE NUMBER: 333-40455 FILM NUMBER: 13965226 BUSINESS ADDRESS: STREET 1: 1000 CONTINENTAL DRIVE STREET 2: SUITE 400 CITY: KING OF PRUSSIA STATE: PA ZIP: 19406 BUSINESS PHONE: 610-230-2864 MAIL ADDRESS: STREET 1: 1000 CONTINENTAL DRIVE STREET 2: SUITE 400 CITY: KING OF PRUSSIA STATE: PA ZIP: 19406 FORMER COMPANY: FORMER CONFORMED NAME: GARTMORE MUTUAL FUNDS DATE OF NAME CHANGE: 20020125 FORMER COMPANY: FORMER CONFORMED NAME: NATIONWIDE MUTUAL FUNDS DATE OF NAME CHANGE: 19991015 FORMER COMPANY: FORMER CONFORMED NAME: NATIONWIDE INVESTING FOUNDATION III DATE OF NAME CHANGE: 19971029 0001048702 S000041100 Nationwide Ziegler Wisconsin Tax Exempt Fund C000127606 Class A C000127607 Class C C000127608 Institutional Class C000127609 Institutional Service Class 497 1 d556225d497.htm NATIONWIDE MUTUAL FUNDS Nationwide Mutual Funds

Law Offices

Stradley Ronon Stevens & Young, LLP

1250 Connecticut Avenue, NW, Suite 500

Washington, DC 20036

202.822.9611

 

 

 

Direct Dial - (202) 419-8416

1933 Act Rule 497(e)

1933 Act File No. 333-40455

1940 Act File No. 811-08495

July 12, 2013

 

VIA EDGAR

Filing Desk

U.S. Securities and Exchange Commission

100 F Street, NE

Washington, DC 20549

 

  Re: Nationwide Mutual Funds (the “Registrant”)

SEC File Nos. 333-40455 and 811-08495

Rule 497(e) filing

 

Ladies and Gentlemen:

Enclosed for filing pursuant to Rule 497(e) under the Securities Act of 1933, as amended, (the “1933 Act”) are exhibits containing interactive data format risk/return summary information that reflects the risk/return summary information in the Prospectus dated June 27, 2013, relating to the Nationwide Ziegler Wisconsin Tax Exempt Fund, a series of the Registrant, as filed pursuant to Rule 497(e) under the 1933 Act on June 27, 2013 (Accession Number: 0001193125-13-274706).

Please direct questions or comments relating to this filing to me at the above-referenced telephone number.

Very truly yours,

 

/s/ Cillian M. Lynch

Cillian M. Lynch

EX-101.INS 2 nmf-20130627.xml XBRL INSTANCE DOCUMENT 0001048702 nmf:S000041100Member 2012-06-18 2013-06-17 0001048702 2012-06-18 2013-06-17 0001048702 nmf:S000041100Member nmf:C000127606Member 2012-06-18 2013-06-17 0001048702 nmf:S000041100Member nmf:C000127607Member 2012-06-18 2013-06-17 0001048702 nmf:S000041100Member nmf:C000127608Member 2012-06-18 2013-06-17 0001048702 nmf:S000041100Member nmf:C000127609Member 2012-06-18 2013-06-17 pure iso4217:USD <div style="display:none">~ http://www.nationwide.com/role/ScheduleShareholderFeesNationwideZieglerWisconsinTaxExemptFund column period compact * ~</div> <div style="display:none">~ http://www.nationwide.com/role/ScheduleAnnualFundOperatingExpensesNationwideZieglerWisconsinTaxExemptFund column period compact * ~</div> <div style="display:none">~ http://www.nationwide.com/role/ScheduleExpenseExampleTransposedNationwideZieglerWisconsinTaxExemptFund column period compact * ~</div> <div style="display:none">~ http://www.nationwide.com/role/ScheduleExpenseExampleNoRedemptionTransposedNationwideZieglerWisconsinTaxExemptFund column period compact * ~</div> Other 2013-06-27 NATIONWIDE MUTUAL FUNDS 0001048702 false 2013-06-27 2013-06-27 2013-06-17 <b>Objective</b> The Fund seeks to provide investors with a high level of current income that is exempt from federal income tax and Wisconsin personal income tax. <b>Fees and Expenses </b> This table describes the fees and expenses you may pay when buying and holding 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 Nationwide Funds. More information about these and other discounts is available from your financial professional and in &#8220;Investing with Nationwide Funds&#8221; commencing on page 36 of this Prospectus and in &#8220;Additional Information on Purchases and Sales&#8221; commencing on page 51 of the Statement of Additional Information. 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 Nationwide Funds. 100000 <b>Shareholder Fees</b> (fees paid directly from your investment) &#8220;Other Expenses&#8221; are based on estimated amounts for the current fiscal year. 0.0225 0 0 0 November 30, 2015 0 0.01 0 0 <b>Annual Fund Operating Expenses</b> (expenses that you pay each year as a percentage of the value of your investment) <b>Example </b> This Example is intended to help you to compare the cost of investing in the Fund with the cost of investing in other mutual funds.<br/><br/>The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then sell all of your shares at the end of those time periods. It assumes a 5% return each year and no change in expenses. Although your actual costs may be higher or lower, based on these assumptions your costs would be: You would pay the following expenses on the same investment if you did not sell your shares: <b>Portfolio Turnover </b> The Fund pays transaction costs, such as commissions, when it buys and sells securities (or &#8220;turns over&#8221; its portfolio). A higher portfolio turnover rate may indicate higher transaction costs. These costs, which are not reflected in Annual Fund Operating Expenses or in the Example, affect the Fund&#8217;s performance. No portfolio turnover rate is disclosed as the Fund has not commenced operations as of the date of this Prospectus. <b>Principal Investment Strategies </b> Under normal market conditions, the Fund invests at least 80% of its net assets in municipal securities issued by the State of Wisconsin, its municipalities, other political subdivisions and public authorities of Wisconsin and similar obligations of other agencies and entities that pay interest that, in the opinion of bond counsel to the issuer, is exempt from federal income tax and Wisconsin personal income tax (including territories and possessions of the United States and their political subdivisions and political authorities, and certain other governmental issuers) and also from federal and applicable Wisconsin alternative minimum taxes. <br /><br />Debt obligations issued by or on behalf of a state or territory or its agencies, instrumentalities, municipalities and political subdivisions and certain other governmental issuers, the interest on which is exempt from federal income tax, are referred to as &#8220;tax exempt obligations.&#8221; <br /><br />When the subadviser is unable to find a sufficient supply of qualifying tax exempt obligations issued in Wisconsin that the subadviser believes could be good investments for the Fund, the subadviser may invest more than 25% of the Fund&#8217;s net assets in debt obligations issued by or on behalf of Puerto Rico, Guam, the U.S. Virgin Islands, American Samoa, the Northern Mariana Islands and their municipalities and other political subdivisions and public authorities, the income from which, in the opinion of bond counsel to the issuer, is exempt from federal income tax and Wisconsin personal income tax. The Fund does not seek to concentrate its investments in any particular industry and generally will not invest more than 25% of its net assets in tax exempt obligations payable from the revenues of any single industry. However, when the subadviser is unable to find a sufficient supply of other appropriate tax exempt obligations, it may invest more than 25% of the Fund&#8217;s net assets in bonds payable from the revenues of any of the housing, healthcare or utilities industries. <br /><br />The Fund invests primarily in tax exempt obligations that are rated investment grade (the four highest rating categories of nationally recognized statistical ratings organizations) at the time of purchase (i.e., at least Baa3/BBB-) or that are unrated but that the subadviser determines, at the time of purchase, are of comparable quality to obligations rated investment grade. <br /><br />The Fund may invest up to 20% of its net assets in tax exempt obligations that are rated below investment grade (but not rated below B) and in unrated bonds that the subadviser determines, at the time of purchase, to be of comparable quality (these below investment-grade obligations are sometimes referred to as junk bonds or high-yield bonds). <br /><br />It is possible that, after the Fund purchases a tax exempt obligation that meets its credit quality standards, the obligation may be downgraded or the subadviser may reassess its view of the issuer&#8217;s credit quality. The subadviser will consider such an event in determining whether the Fund should continue to hold the obligation, but will not automatically dispose of the obligation solely because it has been downgraded. However, if such a downgrade causes more than 5% of the Fund&#8217;s total assets to be invested in tax exempt obligations that do not meet the Fund&#8217;s minimum credit standards, then the subadviser may sell some of the lower quality tax exempt obligations so that less than 5% of the Fund&#8217;s total assets are invested in such obligations. <br /><br />In analyzing rated and unrated tax exempt obligations, the subadviser obtains and reviews available information on the creditworthiness of the parties obligated to make principal and interest payments (including any parties who guarantee the borrower&#8217;s payment obligations). The subadviser also considers various qualitative factors and trends that affect tax exempt obligations generally. A significant portion of the credit ratings of the tax exempt obligations held by the Fund are enhanced by insurance, although the ability of the insurer to pay principal and interest in the event of a default by the issuer cannot be assured. 0.005 <b>Principal Risks </b> 0.005 The Fund cannot guarantee that it will achieve its investment objective. <br /><br />As with any fund, the value of the Fund&#8217;s investments&#8212;and therefore, the value of Fund shares&#8212;may fluctuate. These changes may occur because of:<br /><br /><b>Interest rate risk</b> &#8211; generally, when interest rates go up, the value of fixed-income securities goes down. Prices of longer-term securities generally change more in response to interest rate changes than prices of shorter-term securities. To the extent a Fund invests a substantial portion of its assets in fixed-income securities with longer-term maturities, rising interest rates are more likely to cause the value of the Fund&#8217;s investments to decline significantly.<br /><br /><b>Credit risk</b> &#8211; a bond issuer may be unable to pay the interest or principal when due. If an issuer defaults, the Fund may lose money. This risk is particularly high for high-yield bonds. Changes in a bond issuer&#8217;s credit rating or the market&#8217;s perception of an issuer&#8217;s creditworthiness may also affect the value of a bond.<br /><br /><b>High-yield bonds risk</b> &#8211; investing in high-yield bonds and other lower-rated bonds will subject the Fund to substantial risk of loss due to issuer default, decline in market value due to adverse economic and business developments, or sensitivity to changing interest rates.<br /><br /><b>Liquidity risk</b> &#8211; when there is little or no active trading market for specific types of securities, it can become more difficult to sell the securities at or near their perceived value. In such a market, the value of such securities and the Fund&#8217;s share price may fall dramatically.<br /><br /><b>Prepayment and call risk</b> &#8211; certain bonds will be paid off by the issuer more quickly than anticipated. If this happens, the Fund may be required to invest the proceeds in securities with lower yields.<br /><br /><b>Geographic concentration risk</b> &#8211; The Fund normally will invest significant portions of its assets in several specific geographic areas, including Wisconsin and, to a lesser extent, U.S. territories, for example, Puerto Rico, Guam, the U.S. Virgin Islands, American Samoa and the Northern Mariana Islands. Political, legislative, business and economic conditions and developments within these areas will affect the Fund&#8217;s performance, because the Fund&#8217;s investments primarily will be made in those geographic territories. For example, the Fund may be affected significantly by economic, regulatory or political developments affecting the ability of municipal issuers in these jurisdictions to pay interest or repay principal. Future political and economic developments, constitutional amendments, legislative measures, executive orders, administrative regulation, litigation or voter initiatives could have an adverse effect on the debt obligations of municipal issuers. By concentrating its investments in bonds issued in specific geographic areas, the Fund&#8217;s credit risk is more dependent on the ability of the territory or state and its cities and municipalities to make timely payments on their obligations.<br /><br /><b>Concentration risk</b> &#8211; The risk associated with exposure to any one industry or sector. Any economic, business, political and other changes that affect one such revenue bond potentially could affect other revenue bonds in the same industry segment. The resulting industry concentration could increase the Fund&#8217;s market risk or credit risk, or both.<br /><br /><b>Limited supply risk</b> &#8211; Only limited categories of tax exempt obligations are exempt from both federal income tax and Wisconsin personal income tax. Because there are limited categories of these double tax exempt bonds, the Fund may not always be able to invest its assets in tax exempt obligations issued in Wisconsin.<br /><br /><b>Alternative minimum tax risk</b> &#8211; The Fund may invest up to 10% of its total assets in municipal securities that generate interest which is subject to alternative minimum tax (&#8220;AMT&#8221;). As a result, taxpayers who are subject to the AMT potentially could earn a lower after-tax return.<br /><br /><b>Nondiversified fund risk</b> &#8211; The Fund is a &#8220;nondiversified&#8221; fund under the Investment Company Act of 1940. Compared with other funds, the Fund may invest a greater percentage of its assets in a particular issuer, and thereby have greater exposure to risks associated with an individual issuer. <br /><br />In addition to these risks, the Fund&#8217;s portfolio managers may select securities that underperform the bond market, the Fund&#8217;s benchmark or other mutual funds with similar investment objectives and strategies. If the value of the Fund&#8217;s investments goes down, you may lose money. If the value of the Fund&#8217;s investments goes down, you may lose money. 0.005 <b>Nondiversified fund risk</b> &#8211; The Fund is a &#8220;nondiversified&#8221; fund under the Investment Company Act of 1940. Compared with other funds, the Fund may invest a greater percentage of its assets in a particular issuer, and thereby have greater exposure to risks associated with an individual issuer. 0.005 0.0025 0.0075 0 0 <b>Performance </b> 0.0046 0.0021 0.0021 0.0046 Performance information gives some indication of the risks of an investment in the Fund by comparing the Fund&#8217;s performance with a broad measure of market performance. Performance information is not provided because the Fund did not complete one full calendar year of operations as of the date of this Prospectus. Performance information is not provided because the Fund did not complete one full calendar year of operations as of the date of this Prospectus. 0.0001 0.0001 0.0001 0.0001 0.0122 0.0147 0.0072 0.0097 <b>FUND SUMMARY:</b> NATIONWIDE ZIEGLER WISCONSIN TAX EXEMPT FUND -0.0031 -0.0011 -0.0011 -0.0031 0.0091 0.0136 0.0061 0.0066 316 238 62 67 574 454 219 278 138 454 "Other Expenses" are based on estimated amounts for the current fiscal year. Nationwide Mutual Funds (the "Trust") and Nationwide Fund Advisors (the "Adviser") have entered into a written contract limiting operating expenses to 0.90% for Class A shares, 1.35% for Class C shares, 0.60% for Institutional Class shares, and 0.65% for Institutional Service Class shares until at least November 30, 2015. Under the expense limitation agreement, the level to which operating expenses are limited excludes any taxes, interest, brokerage commissions, acquired fund fees and expenses, short-sale dividend expenses, other expenses which are capitalized in accordance with generally accepted accounting principles and expenses incurred by the Fund in connection with any merger or reorganization, and may exclude other non-routine expenses not incurred in the ordinary course of the Fund's business. The expense limitation agreement may be changed or eliminated at any time but only with the consent of the Board of Trustees of the Trust. The Trust is authorized to reimburse the Adviser for management fees previously waived and/or for expenses previously paid by the Adviser, provided, however, that any reimbursements must be paid at a date not more than three years after the fiscal year in which the Adviser waived the fees or reimbursed the expenses and the reimbursements do not cause the Fund to exceed the expense limitation that was in place at the time the Adviser waived the fees or reimbursed the expenses. 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Shareholder Fees (fees paid directly from your investment) Example 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 for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be You would pay the following expenses if you did not redeem your shares The Example does not reflect sales charges (loads) on reinvested dividends [and other distributions]. If these sales charges (loads) were included, your costs would be higher. Portfolio Turnover The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). 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The following Instructions apply to New Funds.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 1 -Subparagraph d false06false 3rr_ExpenseNarrativeTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00This table describes the fees and expenses you may pay when buying and holding 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 Nationwide Funds. More information about these and other discounts is available from your financial professional and in &#8220;Investing with Nationwide Funds&#8221; commencing on page 36 of this Prospectus and in &#8220;Additional Information on Purchases and Sales&#8221; commencing on page 51 of the Statement of Additional Information.falsefalsefalsenonnum:textBlockItemTypenaThis table describes the fees and expenses that you may pay if you buy and hold shared 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 $[_____] in [name of fund family] funds. Include the narrative explanations in the order indicated. A Fund may modify the narrative explanations if the explanation contains comparable information to that shown. The narrative explanation regarding sales charge discounts is only required by a Fund that offers such discounts and should specify the minimum level of investment required to qualify for a discount. Modify the narrative explanation to state that Fund shares are sold on a national securities exchange at the end of the time periods indicated, and that brokerage commissions for buying and selling Fund shares through a broker are not reflected.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 1 -Subparagraph b false07false 3rr_ShareholderFeesCaptionrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<b>Shareholder Fees</b> (fees paid directly from your investment)falsefalsefalsexbrli:stringItemTypestringShareholder Fees (fees paid directly from your investment).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 false08false 3rr_ShareholderFeesTableTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div style="display:none">~ http://www.nationwide.com/role/ScheduleShareholderFeesNationwideZieglerWisconsinTaxExemptFund column period compact * ~</div>falsefalse<div style="display:none">~ http://www.nationwide.com/role/ScheduleShareholderFeesNationwideZieglerWisconsinTaxExemptFund column period compact * ~</div>falsehttp://www.nationwide.com/role/ScheduleShareholderFeesNationwideZieglerWisconsinTaxExemptFund000012 - Schedule - Shareholder Fees {- Nationwide Ziegler Wisconsin Tax Exempt Fund}truefalsefalse1falseColumnperiodPeriod*Columndei_LegalEntityAxisAxis*Columnrr_ProspectusShareClassAxisAxis*ColumnunitUnit*duration2012-06-18T00:00:002013-06-17T00:00:00falsefalseNationwide Ziegler Wisconsin Tax Exempt Funddei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldinmf_S000041100Memberdei_LegalEntityAxisexplicitMemberfalsefalseClass A Sharesrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldinmf_C000127606Memberrr_ProspectusShareClassAxisexplicitMemberNationwide Ziegler Wisconsin Tax Exempt FundClass A SharespureStandardhttp://www.xbrl.org/2003/instancepure0Standard0 USDfalsefalseduration2012-06-18T00:00:002013-06-17T00:00:00$2falseColumnperiodPeriod*Columndei_LegalEntityAxisAxis*Columnrr_ProspectusShareClassAxisAxis*ColumnunitUnit*duration2012-06-18T00:00:002013-06-17T00:00:00falsefalseNationwide Ziegler Wisconsin Tax Exempt Funddei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldinmf_S000041100Memberdei_LegalEntityAxisexplicitMemberfalsefalseClass C Sharesrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldinmf_C000127607Memberrr_ProspectusShareClassAxisexplicitMemberNationwide Ziegler Wisconsin Tax Exempt FundClass C SharespureStandardhttp://www.xbrl.org/2003/instancepure0Standard0 USDfalsefalseduration2012-06-18T00:00:002013-06-17T00:00:00$3falseColumnperiodPeriod*Columndei_LegalEntityAxisAxis*Columnrr_ProspectusShareClassAxisAxis*ColumnunitUnit*duration2012-06-18T00:00:002013-06-17T00:00:00falsefalseNationwide Ziegler Wisconsin Tax Exempt Funddei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldinmf_S000041100Memberdei_LegalEntityAxisexplicitMemberfalsefalseInstitutional Class Sharesrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldinmf_C000127608Memberrr_ProspectusShareClassAxisexplicitMemberNationwide Ziegler Wisconsin Tax Exempt FundInstitutional Class SharespureStandardhttp://www.xbrl.org/2003/instancepure0Standard0 USDfalsefalseduration2012-06-18T00:00:002013-06-17T00:00:00$4falseColumnperiodPeriod*Columndei_LegalEntityAxisAxis*Columnrr_ProspectusShareClassAxisAxis*ColumnunitUnit*duration2012-06-18T00:00:002013-06-17T00:00:00falsefalseNationwide Ziegler Wisconsin Tax Exempt Funddei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldinmf_S000041100Memberdei_LegalEntityAxisexplicitMemberfalsefalseInstitutional Service Class Sharesrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldinmf_C000127609Memberrr_ProspectusShareClassAxisexplicitMemberNationwide Ziegler Wisconsin Tax Exempt FundInstitutional Service Class SharespureStandardhttp://www.xbrl.org/2003/instancepure0Standard0 USDfalsefalseduration2012-06-18T00:00:002013-06-17T00:00:00$1falseRowprimaryElement*3false 3rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPricerr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabelrr:NonNegativePure4TypepureMaximum Deferred Sales Charge (Load) (as a percentage of ____) A.3.instructions.2.a.i "Maximum Deferred Sales Charge (Load)" includes the maximum total deferred sales charge (load) payable upon redemption, in installments, or both, expressed as a percentage of the amount or amounts stated in response to Item 7(a), except that, for a sales charge (load) based on net asset value at the time of purchase, show the sales charge (load) as a percentage of the offering price at the time of purchase. A Fund may include in a footnote to the table, if applicable, a tabular presentation showing the amount of deferred sales charges (loads) over time or a narrative explanation of the sales charges (loads) (e.g., __% in the first year after purchase, declining to __% in the __ year and eliminated thereafter). A.3.instructions.2.a.ii If more than one type of sales charge (load) is imposed (e.g., a deferred sales charge (load) and a front-end sales charge (load)), the first caption in the table should read "Maximum Sales Charge (Load)" and show the maximum cumulative percentage. Show the percentage amounts and the terms of each sales charge (load) comprising that figure on separate lines below.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 1 false0 0rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPricerr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue0.02250.0225falsefalsefalse2truetruetrue00falsefalsefalse3truetruetrue00falsefalsefalse4truetruetrue00falsefalsefalserr:NonNegativePure4TypepureMaximum Deferred Sales Charge (Load) (as a percentage of ____) A.3.instructions.2.a.i "Maximum Deferred Sales Charge (Load)" includes the maximum total deferred sales charge (load) payable upon redemption, in installments, or both, expressed as a percentage of the amount or amounts stated in response to Item 7(a), except that, for a sales charge (load) based on net asset value at the time of purchase, show the sales charge (load) as a percentage of the offering price at the time of purchase. A Fund may include in a footnote to the table, if applicable, a tabular presentation showing the amount of deferred sales charges (loads) over time or a narrative explanation of the sales charges (loads) (e.g., __% in the first year after purchase, declining to __% in the __ year and eliminated thereafter). A.3.instructions.2.a.ii If more than one type of sales charge (load) is imposed (e.g., a deferred sales charge (load) and a front-end sales charge (load)), the first caption in the table should read "Maximum Sales Charge (Load)" and show the maximum cumulative percentage. Show the percentage amounts and the terms of each sales charge (load) comprising that figure on separate lines below.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 1 false02falseRowprimaryElement*4false 3rr_MaximumDeferredSalesChargeOverOfferingPricerr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabelrr:NonNegativePure4TypepureMaximum Deferred Sales Charge (Load) (as a percentage of ____) A.3.instructions.2.a.i "Maximum Deferred Sales Charge (Load)" includes the maximum total deferred sales charge (load) payable upon redemption, in installments, or both, expressed as a percentage of the amount or amounts stated in response to Item 7(a), except that, for a sales charge (load) based on net asset value at the time of purchase, show the sales charge (load) as a percentage of the offering price at the time of purchase. A Fund may include in a footnote to the table, if applicable, a tabular presentation showing the amount of deferred sales charges (loads) over time or a narrative explanation of the sales charges (loads) (e.g., __% in the first year after purchase, declining to __% in the __ year and eliminated thereafter). A.3.instructions.2.a.ii If more than one type of sales charge (load) is imposed (e.g., a deferred sales charge (load) and a front-end sales charge (load)), the first caption in the table should read "Maximum Sales Charge (Load)" and show the maximum cumulative percentage. Show the percentage amounts and the terms of each sales charge (load) comprising that figure on separate lines below.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 2 -Subparagraph a -Clause i false0 0rr_MaximumDeferredSalesChargeOverOfferingPricerr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue00falsefalsefalse2truetruetrue0.010.01falsefalsefalse3truetruetrue00falsefalsefalse4truetruetrue00falsefalsefalserr:NonNegativePure4TypepureMaximum Deferred Sales Charge (Load) (as a percentage of ____) A.3.instructions.2.a.i "Maximum Deferred Sales Charge (Load)" includes the maximum total deferred sales charge (load) payable upon redemption, in installments, or both, expressed as a percentage of the amount or amounts stated in response to Item 7(a), except that, for a sales charge (load) based on net asset value at the time of purchase, show the sales charge (load) as a percentage of the offering price at the time of purchase. A Fund may include in a footnote to the table, if applicable, a tabular presentation showing the amount of deferred sales charges (loads) over time or a narrative explanation of the sales charges (loads) (e.g., __% in the first year after purchase, declining to __% in the __ year and eliminated thereafter). A.3.instructions.2.a.ii If more than one type of sales charge (load) is imposed (e.g., a deferred sales charge (load) and a front-end sales charge (load)), the first caption in the table should read "Maximum Sales Charge (Load)" and show the maximum cumulative percentage. Show the percentage amounts and the terms of each sales charge (load) comprising that figure on separate lines below.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 2 -Subparagraph a -Clause i false0falseShareholder Fees Nationwide Ziegler Wisconsin Tax Exempt FundUnKnownUnKnownUnKnownUnKnownfalsefalsefalseSheet426442018ColumnperiodPeriod*Columndei_LegalEntityAxisAxis*Columnrr_ProspectusShareClassAxisAxis*ColumnunitUnit*RowprimaryElement*falsenonnum:textBlockItemTypenaContains a command for the SEC Viewer for the role corresponding to ShareholderFeesData.No definition available.false09false 3rr_OperatingExpensesCaptionrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<b>Annual Fund Operating Expenses</b> (expenses that you pay each year as a percentage of the value of your investment)falsefalsefalsexbrli:stringItemTypestringAnnual Fund Operating Expenses (ongoing expenses that you pay each year as a percentage of the value of your investment)Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 7 false010false 3rr_AnnualFundOperatingExpensesTableTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div style="display:none">~ http://www.nationwide.com/role/ScheduleAnnualFundOperatingExpensesNationwideZieglerWisconsinTaxExemptFund column period compact * ~</div>falsefalse<div style="display:none">~ http://www.nationwide.com/role/ScheduleAnnualFundOperatingExpensesNationwideZieglerWisconsinTaxExemptFund column period compact * ~</div>falsehttp://www.nationwide.com/role/ScheduleAnnualFundOperatingExpensesNationwideZieglerWisconsinTaxExemptFund000013 - Schedule - Annual Fund Operating Expenses {- Nationwide Ziegler Wisconsin Tax Exempt Fund}truefalsefalse1falseColumnperiodPeriod*Columndei_LegalEntityAxisAxis*Columnrr_ProspectusShareClassAxisAxis*ColumnunitUnit*duration2012-06-18T00:00:002013-06-17T00:00:00falsefalseNationwide Ziegler Wisconsin Tax Exempt Funddei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldinmf_S000041100Memberdei_LegalEntityAxisexplicitMemberfalsefalseClass A Sharesrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldinmf_C000127606Memberrr_ProspectusShareClassAxisexplicitMemberNationwide Ziegler Wisconsin Tax Exempt FundClass A SharespureStandardhttp://www.xbrl.org/2003/instancepure0Standard0 USDfalsefalseduration2012-06-18T00:00:002013-06-17T00:00:00$2falseColumnperiodPeriod*Columndei_LegalEntityAxisAxis*Columnrr_ProspectusShareClassAxisAxis*ColumnunitUnit*duration2012-06-18T00:00:002013-06-17T00:00:00falsefalseNationwide Ziegler Wisconsin Tax Exempt Funddei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldinmf_S000041100Memberdei_LegalEntityAxisexplicitMemberfalsefalseClass C Sharesrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldinmf_C000127607Memberrr_ProspectusShareClassAxisexplicitMemberNationwide Ziegler Wisconsin Tax Exempt FundClass C SharespureStandardhttp://www.xbrl.org/2003/instancepure0Standard0 USDfalsefalseduration2012-06-18T00:00:002013-06-17T00:00:00$3falseColumnperiodPeriod*Columndei_LegalEntityAxisAxis*Columnrr_ProspectusShareClassAxisAxis*ColumnunitUnit*duration2012-06-18T00:00:002013-06-17T00:00:00falsefalseNationwide Ziegler Wisconsin Tax Exempt Funddei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldinmf_S000041100Memberdei_LegalEntityAxisexplicitMemberfalsefalseInstitutional Class Sharesrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldinmf_C000127608Memberrr_ProspectusShareClassAxisexplicitMemberNationwide Ziegler Wisconsin Tax Exempt FundInstitutional Class SharespureStandardhttp://www.xbrl.org/2003/instancepure0Standard0 USDfalsefalseduration2012-06-18T00:00:002013-06-17T00:00:00$4falseColumnperiodPeriod*Columndei_LegalEntityAxisAxis*Columnrr_ProspectusShareClassAxisAxis*ColumnunitUnit*duration2012-06-18T00:00:002013-06-17T00:00:00falsefalseNationwide Ziegler Wisconsin Tax Exempt Funddei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldinmf_S000041100Memberdei_LegalEntityAxisexplicitMemberfalsefalseInstitutional Service Class Sharesrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldinmf_C000127609Memberrr_ProspectusShareClassAxisexplicitMemberNationwide Ziegler Wisconsin Tax Exempt FundInstitutional Service Class SharespureStandardhttp://www.xbrl.org/2003/instancepure0Standard0 USDfalsefalseduration2012-06-18T00:00:002013-06-17T00:00:00$1falseRowprimaryElement*3false 3rr_ManagementFeesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabelrr:NonNegativePure4TypepureManagement Fees include investment advisory fees (including any fees based on the Fund's performance), any other management fees payable to the investment adviser or its affiliates, and administrative fees payable to the investment adviser or its affiliates that are not included as "Other Expenses."Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph a false0 0rr_ManagementFeesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue0.0050.005falsefalsefalse2truetruetrue0.0050.005falsefalsefalse3truetruetrue0.0050.005falsefalsefalse4truetruetrue0.0050.005falsefalsefalserr:NonNegativePure4TypepureManagement Fees include investment advisory fees (including any fees based on the Fund's performance), any other management fees payable to the investment adviser or its affiliates, and administrative fees payable to the investment adviser or its affiliates that are not included as "Other Expenses."Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph a false02falseRowprimaryElement*4false 3rr_DistributionAndService12b1FeesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabelrr:NonNegativePure4TypepureDistribution [and/or Service] (12b-1) Fees" include all distribution or other expenses incurred during the most recent fiscal year under a plan adopted pursuant to rule 12b-1 [17 CFR 270.12b-1]. Under an appropriate caption or a subcaption of "Other Expenses," disclose the amount of any distribution or similar expenses deducted from the Fund's assets other than pursuant to a rule 12b-1 plan.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 9 false0 0rr_DistributionAndService12b1FeesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue0.00250.0025falsefalsefalse2truetruetrue0.00750.0075falsefalsefalse3truetruetrue00falsefalsefalse4truetruetrue00falsefalsefalserr:NonNegativePure4TypepureDistribution [and/or Service] (12b-1) Fees" include all distribution or other expenses incurred during the most recent fiscal year under a plan adopted pursuant to rule 12b-1 [17 CFR 270.12b-1]. Under an appropriate caption or a subcaption of "Other Expenses," disclose the amount of any distribution or similar expenses deducted from the Fund's assets other than pursuant to a rule 12b-1 plan.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 9 false03falseRowprimaryElement*5false 3rr_OtherExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabelrr:NonNegativePure4Typepure"Other Expenses" include all expenses not otherwise disclosed in the table that are deducted from the Fund's assets or charged to all shareholder accounts. The amount of expenses deducted from the Fund's assets are the amounts shown as expenses in the Fund's statement of operations (including increases resulting from complying with paragraph 2(g) of rule 6-07 of Regulation S-X [17 CFR 210.6-07]). "Other Expenses" do not include extraordinary expenses as determined under generally accepted accounting principles (see Accounting Principles Board Opinion No. 30). If extraordinary expenses were incurred that materially affected the Fund's "Other Expenses," disclose in a footnote to the table what "Other Expenses" would have been had the extraordinary expenses been included.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph c -Clause i false0 0rr_OtherExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel[1]1truetruetrue0.00460.0046falsefalsefalse2truetruetrue0.00210.0021falsefalsefalse3truetruetrue0.00210.0021falsefalsefalse4truetruetrue0.00460.0046falsefalsefalserr:NonNegativePure4Typepure"Other Expenses" include all expenses not otherwise disclosed in the table that are deducted from the Fund's assets or charged to all shareholder accounts. The amount of expenses deducted from the Fund's assets are the amounts shown as expenses in the Fund's statement of operations (including increases resulting from complying with paragraph 2(g) of rule 6-07 of Regulation S-X [17 CFR 210.6-07]). "Other Expenses" do not include extraordinary expenses as determined under generally accepted accounting principles (see Accounting Principles Board Opinion No. 30). If extraordinary expenses were incurred that materially affected the Fund's "Other Expenses," disclose in a footnote to the table what "Other Expenses" would have been had the extraordinary expenses been included.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph c -Clause i false04falseRowprimaryElement*6false 3rr_AcquiredFundFeesAndExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabelrr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 11 false0 0rr_AcquiredFundFeesAndExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue0.00010.0001falsefalsefalse2truetruetrue0.00010.0001falsefalsefalse3truetruetrue0.00010.0001falsefalsefalse4truetruetrue0.00010.0001falsefalsefalserr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 11 false05falseRowprimaryElement*7false 3rr_ExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalsetotalLabelrr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses. If the Fund is a Feeder Fund, reflect the aggregate expenses of the Feeder Fund and the Master Fund in a single fee table using the captions provided. In a footnote to the fee table, state that the table and Example reflect the expenses of both the Feeder and Master Funds. If the prospectus offers more than one Class of a Multiple Class Fund or more than one Feeder Fund that invests in the same Master Fund, provide a separate response for each Class or Feeder Fund. Base the percentages of "Annual Fund Operating Expenses" on amounts incurred during the Fund's most recent fiscal year, but include in expenses amounts that would have been incurred absent expense reimbursement or fee waiver arrangements. If the Fund has changed its fiscal year and, as a result, the most recent fiscal year is less than three months, use the fiscal year prior to the most recent fiscal year as the basis for determining "Annual Fund Operating Expenses."Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph d true0 0rr_ExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalsetotalLabel1truetruetrue0.01220.0122falsefalsefalse2truetruetrue0.01470.0147falsefalsefalse3truetruetrue0.00720.0072falsefalsefalse4truetruetrue0.00970.0097falsefalsefalserr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses. If the Fund is a Feeder Fund, reflect the aggregate expenses of the Feeder Fund and the Master Fund in a single fee table using the captions provided. In a footnote to the fee table, state that the table and Example reflect the expenses of both the Feeder and Master Funds. If the prospectus offers more than one Class of a Multiple Class Fund or more than one Feeder Fund that invests in the same Master Fund, provide a separate response for each Class or Feeder Fund. Base the percentages of "Annual Fund Operating Expenses" on amounts incurred during the Fund's most recent fiscal year, but include in expenses amounts that would have been incurred absent expense reimbursement or fee waiver arrangements. If the Fund has changed its fiscal year and, as a result, the most recent fiscal year is less than three months, use the fiscal year prior to the most recent fiscal year as the basis for determining "Annual Fund Operating Expenses."Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph d true06falseRowprimaryElement*8false 3rr_FeeWaiverOrReimbursementOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabelrr:NonPositivePure4TypepureTotal Annual Fund Operating Expenses. If there were expense reimbursement or fee waiver arrangements that reduced any Fund operating expenses and will continue to reduce them for no less than one year from the effective date of the Fund's registration statement, a Fund may add two captions to the table one caption showing the amount of the expense reimbursement or fee waiver, and a second caption showing the Fund's net expenses after subtracting the fee reimbursement or expense waiver from the total fund operating expenses. The Fund should place these additional captions directly below the "Total Annual Fund Operating Expenses" caption of the table and should use appropriate descriptive captions, such as "Fee Waiver [and/or Expense Reimbursement]" and "Total Annual Fund Operating Expenses After Fee Waiver [and/or Expense Reimbursement]," respectively. If the Fund provides this disclosure, also disclose the period for which the expense reimbursement or fee waiver arrangement is expected to continue, and briefly describe who can terminate the arrangement and under what circumstances.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 11 false0 0rr_FeeWaiverOrReimbursementOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel[2]1truetruetrue-0.0031-0.0031falsefalsefalse2truetruetrue-0.0011-0.0011falsefalsefalse3truetruetrue-0.0011-0.0011falsefalsefalse4truetruetrue-0.0031-0.0031falsefalsefalserr:NonPositivePure4TypepureTotal Annual Fund Operating Expenses. If there were expense reimbursement or fee waiver arrangements that reduced any Fund operating expenses and will continue to reduce them for no less than one year from the effective date of the Fund's registration statement, a Fund may add two captions to the table one caption showing the amount of the expense reimbursement or fee waiver, and a second caption showing the Fund's net expenses after subtracting the fee reimbursement or expense waiver from the total fund operating expenses. The Fund should place these additional captions directly below the "Total Annual Fund Operating Expenses" caption of the table and should use appropriate descriptive captions, such as "Fee Waiver [and/or Expense Reimbursement]" and "Total Annual Fund Operating Expenses After Fee Waiver [and/or Expense Reimbursement]," respectively. If the Fund provides this disclosure, also disclose the period for which the expense reimbursement or fee waiver arrangement is expected to continue, and briefly describe who can terminate the arrangement and under what circumstances.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 11 false07falseRowprimaryElement*9false 3rr_NetExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalsetotalLabelrr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 11 true0 0rr_NetExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalsetotalLabel1truetruetrue0.00910.0091falsefalsefalse2truetruetrue0.01360.0136falsefalsefalse3truetruetrue0.00610.0061falsefalsefalse4truetruetrue0.00660.0066falsefalsefalserr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 11 true01"Other Expenses" are based on estimated amounts for the current fiscal year.2Nationwide Mutual Funds (the "Trust") and Nationwide Fund Advisors (the "Adviser") have entered into a written contract limiting operating expenses to 0.90% for Class A shares, 1.35% for Class C shares, 0.60% for Institutional Class shares, and 0.65% for Institutional Service Class shares until at least November 30, 2015. Under the expense limitation agreement, the level to which operating expenses are limited excludes any taxes, interest, brokerage commissions, acquired fund fees and expenses, short-sale dividend expenses, other expenses which are capitalized in accordance with generally accepted accounting principles and expenses incurred by the Fund in connection with any merger or reorganization, and may exclude other non-routine expenses not incurred in the ordinary course of the Fund's business. The expense limitation agreement may be changed or eliminated at any time but only with the consent of the Board of Trustees of the Trust. The Trust is authorized to reimburse the Adviser for management fees previously waived and/or for expenses previously paid by the Adviser, provided, however, that any reimbursements must be paid at a date not more than three years after the fiscal year in which the Adviser waived the fees or reimbursed the expenses and the reimbursements do not cause the Fund to exceed the expense limitation that was in place at the time the Adviser waived the fees or reimbursed the expenses.falseAnnual Fund Operating Expenses Nationwide Ziegler Wisconsin Tax Exempt FundUnKnownUnKnownUnKnownUnKnownfalsefalsefalseSheet47212447038ColumnperiodPeriod*Columndei_LegalEntityAxisAxis*Columnrr_ProspectusShareClassAxisAxis*ColumnunitUnit*RowprimaryElement*falsenonnum:textBlockItemTypenaContains a command for the SEC Viewer for the role corresponding to OperatingExpensesData.No definition available.false011false 3rr_ExpenseExampleHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<b>Example </b>falsefalsefalsexbrli:stringItemTypestringHeading for Expense Example.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 4 false012false 3rr_ExpenseExampleNarrativeTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00This Example is intended to help you to compare the cost of investing in the Fund with the cost of investing in other mutual funds.<br/><br/>The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then sell all of your shares at the end of those time periods. It assumes a 5% return each year and no change in expenses. Although your actual costs may be higher or lower, based on these assumptions your costs would be:falsefalsefalsenonnum:textBlockItemTypenaThe Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection example -Paragraph 1 -Subparagraph 1 false013false 3rr_ExpenseExampleWithRedemptionTableTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div style="display:none">~ http://www.nationwide.com/role/ScheduleExpenseExampleTransposedNationwideZieglerWisconsinTaxExemptFund column period compact * ~</div>falsefalse<div style="display:none">~ http://www.nationwide.com/role/ScheduleExpenseExampleTransposedNationwideZieglerWisconsinTaxExemptFund column period compact * ~</div>truehttp://www.nationwide.com/role/ScheduleExpenseExampleTransposedNationwideZieglerWisconsinTaxExemptFund000014 - Schedule - Expense Example {Transposed} {- Nationwide Ziegler Wisconsin Tax Exempt Fund}truefalsefalse1falseColumnprimaryElement*3false 3rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabelrr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 4 false2 USDfalsefalse$2falseColumnprimaryElement*4false 3rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabelrr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection example -Paragraph 1 -Subparagraph 2 false2 USDfalsefalse$1falseRowperiodPeriod*Rowdei_LegalEntityAxisAxis*Rowrr_ProspectusShareClassAxisAxis*RowunitUnit*duration2012-06-18T00:00:002013-06-17T00:00:00falsefalseNationwide Ziegler Wisconsin Tax Exempt Funddei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldinmf_S000041100Memberdei_LegalEntityAxisexplicitMemberfalsefalseClass A sharesrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldinmf_C000127606Memberrr_ProspectusShareClassAxisexplicitMemberNationwide Ziegler Wisconsin Tax Exempt FundClass A sharesUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170 0truefalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue316316falsefalsefalse2truefalsetrue574574falsefalsefalsenanafalse02falseRowperiodPeriod*Rowdei_LegalEntityAxisAxis*Rowrr_ProspectusShareClassAxisAxis*RowunitUnit*duration2012-06-18T00:00:002013-06-17T00:00:00falsefalseNationwide Ziegler Wisconsin Tax Exempt Funddei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldinmf_S000041100Memberdei_LegalEntityAxisexplicitMemberfalsefalseClass C sharesrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldinmf_C000127607Memberrr_ProspectusShareClassAxisexplicitMemberNationwide Ziegler Wisconsin Tax Exempt FundClass C sharesUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170 0truefalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue238238falsefalsefalse2truefalsetrue454454falsefalsefalsenanafalse03falseRowperiodPeriod*Rowdei_LegalEntityAxisAxis*Rowrr_ProspectusShareClassAxisAxis*RowunitUnit*duration2012-06-18T00:00:002013-06-17T00:00:00falsefalseNationwide Ziegler Wisconsin Tax Exempt Funddei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldinmf_S000041100Memberdei_LegalEntityAxisexplicitMemberfalsefalseInstitutional Class sharesrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldinmf_C000127608Memberrr_ProspectusShareClassAxisexplicitMemberNationwide Ziegler Wisconsin Tax Exempt FundInstitutional Class sharesUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170 0truefalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue6262falsefalsefalse2truefalsetrue219219falsefalsefalsenanafalse04falseRowperiodPeriod*Rowdei_LegalEntityAxisAxis*Rowrr_ProspectusShareClassAxisAxis*RowunitUnit*duration2012-06-18T00:00:002013-06-17T00:00:00falsefalseNationwide Ziegler Wisconsin Tax Exempt Funddei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldinmf_S000041100Memberdei_LegalEntityAxisexplicitMemberfalsefalseInstitutional Service Class sharesrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldinmf_C000127609Memberrr_ProspectusShareClassAxisexplicitMemberNationwide Ziegler Wisconsin Tax Exempt FundInstitutional Service Class sharesUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170 0truefalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue6767falsefalsefalse2truefalsetrue278278falsefalsefalsenanafalse0falseExpense Example Nationwide Ziegler Wisconsin Tax Exempt Fund (USD $)UnKnownUnKnownUnKnownUnKnownfalsefalsefalseSheet244624022ColumnprimaryElement*RowperiodPeriod*Rowdei_LegalEntityAxisAxis*Rowrr_ProspectusShareClassAxisAxis*RowunitUnit*falsenonnum:textBlockItemTypenaContains a command for the SEC Viewer for the role corresponding to ExpenseExample.No definition available.false014false 3rr_ExpenseExampleNoRedemptionByYearCaptionrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00You would pay the following expenses on the same investment if you did not sell your shares:falsefalsefalsexbrli:stringItemTypestringYou would pay the following expenses if you did not redeem your shares. Include the second 1-, 3-, 5-, and 10-year periods and related narrative explanation only if a sales charge (load) or other fee is charged upon redemption.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection example -Paragraph 2 -Subparagraph 1 false015false 3rr_ExpenseExampleNoRedemptionTableTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div style="display:none">~ http://www.nationwide.com/role/ScheduleExpenseExampleNoRedemptionTransposedNationwideZieglerWisconsinTaxExemptFund column period compact * ~</div>falsefalse<div style="display:none">~ http://www.nationwide.com/role/ScheduleExpenseExampleNoRedemptionTransposedNationwideZieglerWisconsinTaxExemptFund column period compact * ~</div>truehttp://www.nationwide.com/role/ScheduleExpenseExampleNoRedemptionTransposedNationwideZieglerWisconsinTaxExemptFund000015 - Schedule - Expense Example, No Redemption {Transposed} {- Nationwide Ziegler Wisconsin Tax Exempt Fund}truefalsefalse1falseColumnprimaryElement*3false 3rr_ExpenseExampleNoRedemptionYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabelrr:NonNegativeMonetaryTypemonetaryYou would pay the following expenses if you did not redeem your shares. Include the second 1-, 3-, 5-, and 10-year periods and related narrative explanation only if a sales charge (load) or other fee is charged upon redemption.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection example -Paragraph 2 -Subparagraph 1 false2 USDfalsefalse$2falseColumnprimaryElement*4false 3rr_ExpenseExampleNoRedemptionYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabelrr:NonNegativeMonetaryTypemonetaryYou would pay the following expenses if you did not redeem your shares. Include the second 1-, 3-, 5-, and 10-year periods and related narrative explanation only if a sales charge (load) or other fee is charged upon redemption.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection example -Paragraph 2 -Subparagraph 1 false2 USDfalsefalse$1falseRowperiodPeriod*Rowdei_LegalEntityAxisAxis*Rowrr_ProspectusShareClassAxisAxis*RowunitUnit*duration2012-06-18T00:00:002013-06-17T00:00:00falsefalseNationwide Ziegler Wisconsin Tax Exempt Funddei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldinmf_S000041100Memberdei_LegalEntityAxisexplicitMemberfalsefalseClass C sharesrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldinmf_C000127607Memberrr_ProspectusShareClassAxisexplicitMemberNationwide Ziegler Wisconsin Tax Exempt FundClass C sharesUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170 0truefalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue138138falsefalsefalse2truefalsetrue454454falsefalsefalsenanafalse0falseExpense Example, No Redemption (USD $)UnKnownUnKnownUnKnownUnKnownfalsefalsefalseSheet211021010ColumnprimaryElement*RowperiodPeriod*Rowdei_LegalEntityAxisAxis*Rowrr_ProspectusShareClassAxisAxis*RowunitUnit*falsenonnum:textBlockItemTypenaContains a command for the SEC Viewer for the role corresponding to ExpenseExampleNoRedemption.No definition available.false016false 3rr_PortfolioTurnoverHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<b>Portfolio Turnover </b>falsefalsefalsexbrli:stringItemTypestringDisclose the portfolio turnover rate provided in response to Item 14(a) for the most recent fiscal year (or for such shorter period as the Fund has been in operation). Disclose the period for which the information is provided if less than a full fiscal year. A Fund that is a Money Market Fund may omit the portfolio turnover information required by this Item.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 5 false017false 3rr_PortfolioTurnoverTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00The Fund pays transaction costs, such as commissions, when it buys and sells securities (or &#8220;turns over&#8221; its portfolio). A higher portfolio turnover rate may indicate higher transaction costs. These costs, which are not reflected in Annual Fund Operating Expenses or in the Example, affect the Fund&#8217;s performance. No portfolio turnover rate is disclosed as the Fund has not commenced operations as of the date of this Prospectus.falsefalsefalsenonnum:textBlockItemTypenaDisclose the portfolio turnover rate provided in response to Item 14(a) for the most recent fiscal year (or for such shorter period as the Fund has been in operation). Disclose the period for which the information is provided if less than a full fiscal year. A Fund that is a Money Market Fund may omit the portfolio turnover information required by this Item.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection example -Paragraph 3 false018false 3rr_StrategyHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<b>Principal Investment Strategies </b>falsefalsefalsexbrli:stringItemTypestringPrincipal investment strategies of the Fund. Summarize how the Fund intends to achieve its investment objectives by identifying the Fund's principal investment strategies (including the type or types of securities in which the Fund invests or will invest principally) and any policy to concentrate in securities of issuers in a particular industry or group of industries.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection a false019false 3rr_StrategyNarrativeTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Under normal market conditions, the Fund invests at least 80% of its net assets in municipal securities issued by the State of Wisconsin, its municipalities, other political subdivisions and public authorities of Wisconsin and similar obligations of other agencies and entities that pay interest that, in the opinion of bond counsel to the issuer, is exempt from federal income tax and Wisconsin personal income tax (including territories and possessions of the United States and their political subdivisions and political authorities, and certain other governmental issuers) and also from federal and applicable Wisconsin alternative minimum taxes. <br /><br />Debt obligations issued by or on behalf of a state or territory or its agencies, instrumentalities, municipalities and political subdivisions and certain other governmental issuers, the interest on which is exempt from federal income tax, are referred to as &#8220;tax exempt obligations.&#8221; <br /><br />When the subadviser is unable to find a sufficient supply of qualifying tax exempt obligations issued in Wisconsin that the subadviser believes could be good investments for the Fund, the subadviser may invest more than 25% of the Fund&#8217;s net assets in debt obligations issued by or on behalf of Puerto Rico, Guam, the U.S. Virgin Islands, American Samoa, the Northern Mariana Islands and their municipalities and other political subdivisions and public authorities, the income from which, in the opinion of bond counsel to the issuer, is exempt from federal income tax and Wisconsin personal income tax. The Fund does not seek to concentrate its investments in any particular industry and generally will not invest more than 25% of its net assets in tax exempt obligations payable from the revenues of any single industry. However, when the subadviser is unable to find a sufficient supply of other appropriate tax exempt obligations, it may invest more than 25% of the Fund&#8217;s net assets in bonds payable from the revenues of any of the housing, healthcare or utilities industries. <br /><br />The Fund invests primarily in tax exempt obligations that are rated investment grade (the four highest rating categories of nationally recognized statistical ratings organizations) at the time of purchase (i.e., at least Baa3/BBB-) or that are unrated but that the subadviser determines, at the time of purchase, are of comparable quality to obligations rated investment grade. <br /><br />The Fund may invest up to 20% of its net assets in tax exempt obligations that are rated below investment grade (but not rated below B) and in unrated bonds that the subadviser determines, at the time of purchase, to be of comparable quality (these below investment-grade obligations are sometimes referred to as junk bonds or high-yield bonds). <br /><br />It is possible that, after the Fund purchases a tax exempt obligation that meets its credit quality standards, the obligation may be downgraded or the subadviser may reassess its view of the issuer&#8217;s credit quality. The subadviser will consider such an event in determining whether the Fund should continue to hold the obligation, but will not automatically dispose of the obligation solely because it has been downgraded. However, if such a downgrade causes more than 5% of the Fund&#8217;s total assets to be invested in tax exempt obligations that do not meet the Fund&#8217;s minimum credit standards, then the subadviser may sell some of the lower quality tax exempt obligations so that less than 5% of the Fund&#8217;s total assets are invested in such obligations. <br /><br />In analyzing rated and unrated tax exempt obligations, the subadviser obtains and reviews available information on the creditworthiness of the parties obligated to make principal and interest payments (including any parties who guarantee the borrower&#8217;s payment obligations). The subadviser also considers various qualitative factors and trends that affect tax exempt obligations generally. A significant portion of the credit ratings of the tax exempt obligations held by the Fund are enhanced by insurance, although the ability of the insurer to pay principal and interest in the event of a default by the issuer cannot be assured.falsefalsefalsenonnum:textBlockItemTypenaPrincipal investment strategies of the Fund. Summarize how the Fund intends to achieve its investment objectives by identifying the Fund's principal investment strategies (including the type or types of securities in which the Fund invests or will invest principally) and any policy to concentrate in securities of issuers in a particular industry or group of industries.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection a false020false 3rr_RiskHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<b>Principal Risks </b>falsefalsefalsexbrli:stringItemTypestringNarrative Risk Disclosure.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection b -Paragraph 1 false021false 3rr_RiskNarrativeTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00The Fund cannot guarantee that it will achieve its investment objective. <br /><br />As with any fund, the value of the Fund&#8217;s investments&#8212;and therefore, the value of Fund shares&#8212;may fluctuate. These changes may occur because of:<br /><br /><b>Interest rate risk</b> &#8211; generally, when interest rates go up, the value of fixed-income securities goes down. Prices of longer-term securities generally change more in response to interest rate changes than prices of shorter-term securities. To the extent a Fund invests a substantial portion of its assets in fixed-income securities with longer-term maturities, rising interest rates are more likely to cause the value of the Fund&#8217;s investments to decline significantly.<br /><br /><b>Credit risk</b> &#8211; a bond issuer may be unable to pay the interest or principal when due. If an issuer defaults, the Fund may lose money. This risk is particularly high for high-yield bonds. Changes in a bond issuer&#8217;s credit rating or the market&#8217;s perception of an issuer&#8217;s creditworthiness may also affect the value of a bond.<br /><br /><b>High-yield bonds risk</b> &#8211; investing in high-yield bonds and other lower-rated bonds will subject the Fund to substantial risk of loss due to issuer default, decline in market value due to adverse economic and business developments, or sensitivity to changing interest rates.<br /><br /><b>Liquidity risk</b> &#8211; when there is little or no active trading market for specific types of securities, it can become more difficult to sell the securities at or near their perceived value. In such a market, the value of such securities and the Fund&#8217;s share price may fall dramatically.<br /><br /><b>Prepayment and call risk</b> &#8211; certain bonds will be paid off by the issuer more quickly than anticipated. If this happens, the Fund may be required to invest the proceeds in securities with lower yields.<br /><br /><b>Geographic concentration risk</b> &#8211; The Fund normally will invest significant portions of its assets in several specific geographic areas, including Wisconsin and, to a lesser extent, U.S. territories, for example, Puerto Rico, Guam, the U.S. Virgin Islands, American Samoa and the Northern Mariana Islands. Political, legislative, business and economic conditions and developments within these areas will affect the Fund&#8217;s performance, because the Fund&#8217;s investments primarily will be made in those geographic territories. For example, the Fund may be affected significantly by economic, regulatory or political developments affecting the ability of municipal issuers in these jurisdictions to pay interest or repay principal. Future political and economic developments, constitutional amendments, legislative measures, executive orders, administrative regulation, litigation or voter initiatives could have an adverse effect on the debt obligations of municipal issuers. By concentrating its investments in bonds issued in specific geographic areas, the Fund&#8217;s credit risk is more dependent on the ability of the territory or state and its cities and municipalities to make timely payments on their obligations.<br /><br /><b>Concentration risk</b> &#8211; The risk associated with exposure to any one industry or sector. Any economic, business, political and other changes that affect one such revenue bond potentially could affect other revenue bonds in the same industry segment. The resulting industry concentration could increase the Fund&#8217;s market risk or credit risk, or both.<br /><br /><b>Limited supply risk</b> &#8211; Only limited categories of tax exempt obligations are exempt from both federal income tax and Wisconsin personal income tax. Because there are limited categories of these double tax exempt bonds, the Fund may not always be able to invest its assets in tax exempt obligations issued in Wisconsin.<br /><br /><b>Alternative minimum tax risk</b> &#8211; The Fund may invest up to 10% of its total assets in municipal securities that generate interest which is subject to alternative minimum tax (&#8220;AMT&#8221;). As a result, taxpayers who are subject to the AMT potentially could earn a lower after-tax return.<br /><br /><b>Nondiversified fund risk</b> &#8211; The Fund is a &#8220;nondiversified&#8221; fund under the Investment Company Act of 1940. Compared with other funds, the Fund may invest a greater percentage of its assets in a particular issuer, and thereby have greater exposure to risks associated with an individual issuer. <br /><br />In addition to these risks, the Fund&#8217;s portfolio managers may select securities that underperform the bond market, the Fund&#8217;s benchmark or other mutual funds with similar investment objectives and strategies. If the value of the Fund&#8217;s investments goes down, you may lose money.falsefalsefalsenonnum:textBlockItemTypenaNarrative Risk Disclosure. A Fund may, in responding to this Item, describe the types of investors for whom the Fund is intended or the types of investment goals that may be consistent with an investment in the Fund.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection b -Paragraph 1 -Subparagraph i -Clause instruction false022false 3rr_BarChartAndPerformanceTableHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<b>Performance </b>falsefalsefalsexbrli:stringItemTypestringRisk/Return Bar Chart and Table.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection b -Paragraph 2 false023false 3rr_PerformanceNarrativeTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Performance information gives some indication of the risks of an investment in the Fund by comparing the Fund&#8217;s performance with a broad measure of market performance. 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Nationwide Ziegler Wisconsin Tax Exempt Fund
FUND SUMMARY: NATIONWIDE ZIEGLER WISCONSIN TAX EXEMPT FUND
Objective
The Fund seeks to provide investors with a high level of current income that is exempt from federal income tax and Wisconsin personal income tax.
Fees and Expenses
This table describes the fees and expenses you may pay when buying and holding 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 Nationwide Funds. More information about these and other discounts is available from your financial professional and in “Investing with Nationwide Funds” commencing on page 36 of this Prospectus and in “Additional Information on Purchases and Sales” commencing on page 51 of the Statement of Additional Information.
Shareholder Fees (fees paid directly from your investment)
Shareholder Fees Nationwide Ziegler Wisconsin Tax Exempt Fund
Class A Shares
Class C Shares
Institutional Class Shares
Institutional Service Class Shares
Maximum Sales Charge (Load) imposed on purchases (as a percentage of offering price) 2.25% none none none
Maximum Deferred Sales Charge (Load) (as a percentage of offering or sale price, whichever is less) none 1.00% none none
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses Nationwide Ziegler Wisconsin Tax Exempt Fund
Class A Shares
Class C Shares
Institutional Class Shares
Institutional Service Class Shares
Management Fees 0.50% 0.50% 0.50% 0.50%
Distribution and/or Service (12b-1) Fee 0.25% 0.75% none none
Other Expenses [1] 0.46% 0.21% 0.21% 0.46%
Acquired Fund Fees and Expenses 0.01% 0.01% 0.01% 0.01%
Total Annual Fund Operating Expenses 1.22% 1.47% 0.72% 0.97%
Amount of Fee Waiver/Expense Reimbursement [2] (0.31%) (0.11%) (0.11%) (0.31%)
Total Annual Fund Operating Expenses After Waivers/Reimbursements 0.91% 1.36% 0.61% 0.66%
[1] "Other Expenses" are based on estimated amounts for the current fiscal year.
[2] Nationwide Mutual Funds (the "Trust") and Nationwide Fund Advisors (the "Adviser") have entered into a written contract limiting operating expenses to 0.90% for Class A shares, 1.35% for Class C shares, 0.60% for Institutional Class shares, and 0.65% for Institutional Service Class shares until at least November 30, 2015. Under the expense limitation agreement, the level to which operating expenses are limited excludes any taxes, interest, brokerage commissions, acquired fund fees and expenses, short-sale dividend expenses, other expenses which are capitalized in accordance with generally accepted accounting principles and expenses incurred by the Fund in connection with any merger or reorganization, and may exclude other non-routine expenses not incurred in the ordinary course of the Fund's business. The expense limitation agreement may be changed or eliminated at any time but only with the consent of the Board of Trustees of the Trust. The Trust is authorized to reimburse the Adviser for management fees previously waived and/or for expenses previously paid by the Adviser, provided, however, that any reimbursements must be paid at a date not more than three years after the fiscal year in which the Adviser waived the fees or reimbursed the expenses and the reimbursements do not cause the Fund to exceed the expense limitation that was in place at the time the Adviser waived the fees or reimbursed the expenses.
Example
This Example is intended to help you to 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 for the time periods indicated and then sell all of your shares at the end of those time periods. It assumes a 5% return each year and no change in expenses. Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example Nationwide Ziegler Wisconsin Tax Exempt Fund (USD $)
1 Year
3 Years
Class A shares
316 574
Class C shares
238 454
Institutional Class shares
62 219
Institutional Service Class shares
67 278
You would pay the following expenses on the same investment if you did not sell your shares:
Expense Example, No Redemption (USD $)
1 Year
3 Years
Nationwide Ziegler Wisconsin Tax Exempt Fund Class C shares
138 454
Portfolio Turnover
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. These costs, which are not reflected in Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. No portfolio turnover rate is disclosed as the Fund has not commenced operations as of the date of this Prospectus.
Principal Investment Strategies
Under normal market conditions, the Fund invests at least 80% of its net assets in municipal securities issued by the State of Wisconsin, its municipalities, other political subdivisions and public authorities of Wisconsin and similar obligations of other agencies and entities that pay interest that, in the opinion of bond counsel to the issuer, is exempt from federal income tax and Wisconsin personal income tax (including territories and possessions of the United States and their political subdivisions and political authorities, and certain other governmental issuers) and also from federal and applicable Wisconsin alternative minimum taxes.

Debt obligations issued by or on behalf of a state or territory or its agencies, instrumentalities, municipalities and political subdivisions and certain other governmental issuers, the interest on which is exempt from federal income tax, are referred to as “tax exempt obligations.”

When the subadviser is unable to find a sufficient supply of qualifying tax exempt obligations issued in Wisconsin that the subadviser believes could be good investments for the Fund, the subadviser may invest more than 25% of the Fund’s net assets in debt obligations issued by or on behalf of Puerto Rico, Guam, the U.S. Virgin Islands, American Samoa, the Northern Mariana Islands and their municipalities and other political subdivisions and public authorities, the income from which, in the opinion of bond counsel to the issuer, is exempt from federal income tax and Wisconsin personal income tax. The Fund does not seek to concentrate its investments in any particular industry and generally will not invest more than 25% of its net assets in tax exempt obligations payable from the revenues of any single industry. However, when the subadviser is unable to find a sufficient supply of other appropriate tax exempt obligations, it may invest more than 25% of the Fund’s net assets in bonds payable from the revenues of any of the housing, healthcare or utilities industries.

The Fund invests primarily in tax exempt obligations that are rated investment grade (the four highest rating categories of nationally recognized statistical ratings organizations) at the time of purchase (i.e., at least Baa3/BBB-) or that are unrated but that the subadviser determines, at the time of purchase, are of comparable quality to obligations rated investment grade.

The Fund may invest up to 20% of its net assets in tax exempt obligations that are rated below investment grade (but not rated below B) and in unrated bonds that the subadviser determines, at the time of purchase, to be of comparable quality (these below investment-grade obligations are sometimes referred to as junk bonds or high-yield bonds).

It is possible that, after the Fund purchases a tax exempt obligation that meets its credit quality standards, the obligation may be downgraded or the subadviser may reassess its view of the issuer’s credit quality. The subadviser will consider such an event in determining whether the Fund should continue to hold the obligation, but will not automatically dispose of the obligation solely because it has been downgraded. However, if such a downgrade causes more than 5% of the Fund’s total assets to be invested in tax exempt obligations that do not meet the Fund’s minimum credit standards, then the subadviser may sell some of the lower quality tax exempt obligations so that less than 5% of the Fund’s total assets are invested in such obligations.

In analyzing rated and unrated tax exempt obligations, the subadviser obtains and reviews available information on the creditworthiness of the parties obligated to make principal and interest payments (including any parties who guarantee the borrower’s payment obligations). The subadviser also considers various qualitative factors and trends that affect tax exempt obligations generally. A significant portion of the credit ratings of the tax exempt obligations held by the Fund are enhanced by insurance, although the ability of the insurer to pay principal and interest in the event of a default by the issuer cannot be assured.
Principal Risks
The Fund cannot guarantee that it will achieve its investment objective.

As with any fund, the value of the Fund’s investments—and therefore, the value of Fund shares—may fluctuate. These changes may occur because of:

Interest rate risk – generally, when interest rates go up, the value of fixed-income securities goes down. Prices of longer-term securities generally change more in response to interest rate changes than prices of shorter-term securities. To the extent a Fund invests a substantial portion of its assets in fixed-income securities with longer-term maturities, rising interest rates are more likely to cause the value of the Fund’s investments to decline significantly.

Credit risk – a bond issuer may be unable to pay the interest or principal when due. If an issuer defaults, the Fund may lose money. This risk is particularly high for high-yield bonds. Changes in a bond issuer’s credit rating or the market’s perception of an issuer’s creditworthiness may also affect the value of a bond.

High-yield bonds risk – investing in high-yield bonds and other lower-rated bonds will subject the Fund to substantial risk of loss due to issuer default, decline in market value due to adverse economic and business developments, or sensitivity to changing interest rates.

Liquidity risk – when there is little or no active trading market for specific types of securities, it can become more difficult to sell the securities at or near their perceived value. In such a market, the value of such securities and the Fund’s share price may fall dramatically.

Prepayment and call risk – certain bonds will be paid off by the issuer more quickly than anticipated. If this happens, the Fund may be required to invest the proceeds in securities with lower yields.

Geographic concentration risk – The Fund normally will invest significant portions of its assets in several specific geographic areas, including Wisconsin and, to a lesser extent, U.S. territories, for example, Puerto Rico, Guam, the U.S. Virgin Islands, American Samoa and the Northern Mariana Islands. Political, legislative, business and economic conditions and developments within these areas will affect the Fund’s performance, because the Fund’s investments primarily will be made in those geographic territories. For example, the Fund may be affected significantly by economic, regulatory or political developments affecting the ability of municipal issuers in these jurisdictions to pay interest or repay principal. Future political and economic developments, constitutional amendments, legislative measures, executive orders, administrative regulation, litigation or voter initiatives could have an adverse effect on the debt obligations of municipal issuers. By concentrating its investments in bonds issued in specific geographic areas, the Fund’s credit risk is more dependent on the ability of the territory or state and its cities and municipalities to make timely payments on their obligations.

Concentration risk – The risk associated with exposure to any one industry or sector. Any economic, business, political and other changes that affect one such revenue bond potentially could affect other revenue bonds in the same industry segment. The resulting industry concentration could increase the Fund’s market risk or credit risk, or both.

Limited supply risk – Only limited categories of tax exempt obligations are exempt from both federal income tax and Wisconsin personal income tax. Because there are limited categories of these double tax exempt bonds, the Fund may not always be able to invest its assets in tax exempt obligations issued in Wisconsin.

Alternative minimum tax risk – The Fund may invest up to 10% of its total assets in municipal securities that generate interest which is subject to alternative minimum tax (“AMT”). As a result, taxpayers who are subject to the AMT potentially could earn a lower after-tax return.

Nondiversified fund risk – The Fund is a “nondiversified” fund under the Investment Company Act of 1940. Compared with other funds, the Fund may invest a greater percentage of its assets in a particular issuer, and thereby have greater exposure to risks associated with an individual issuer.

In addition to these risks, the Fund’s portfolio managers may select securities that underperform the bond market, the Fund’s benchmark or other mutual funds with similar investment objectives and strategies. If the value of the Fund’s investments goes down, you may lose money.
Performance
Performance information gives some indication of the risks of an investment in the Fund by comparing the Fund’s performance with a broad measure of market performance. Performance information is not provided because the Fund did not complete one full calendar year of operations as of the date of this Prospectus.
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Shareholder Fees (fees paid directly from your investment) Example 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 for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be You would pay the following expenses if you did not redeem your shares The Example does not reflect sales charges (loads) on reinvested dividends [and other distributions]. If these sales charges (loads) were included, your costs would be higher. Portfolio Turnover The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover may indicate higher transaction costs. 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 __% of the average value of its whole portfolio. Instructions. A.3.instructions.6 New Funds. For purposes of this Item, a "New Fund" is a Fund that does not include in Form N-1A financial statements reporting operating results or that includes financial statements for the Fund's initial fiscal year reporting operating results for a period of 6 months or less. 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Modify the narrative explanation to state that Fund shares are sold on a national securities exchange at the end of the time periods indicated, and that brokerage commissions for buying and selling Fund shares through a broker are not reflected.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 1 -Subparagraph b false011false 3rr_ShareholderFeesCaptionrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<b>Shareholder Fees</b> (fees paid directly from your investment)falsefalsefalsexbrli:stringItemTypestringShareholder Fees (fees paid directly from your investment).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 false012false 3rr_OperatingExpensesCaptionrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<b>Annual Fund Operating Expenses</b> (expenses that you pay each year as a percentage of the value of your investment)falsefalsefalsexbrli:stringItemTypestringAnnual Fund Operating Expenses (ongoing expenses that you pay each year as a percentage of the value of your investment)Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 7 false013false 3rr_FeeWaiverOrReimbursementOverAssetsDateOfTerminationrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00November 30, 2015falsefalsefalsexbrli:stringItemTypestringThis element represents the date of expected termination of any expense reimbursement or fee waiver arrangements that reduce any Fund operating expenses (SEC Form N-1A 2006-09-14 A.3.table.1.11 Total Annual Fund Operating Expenses A.3.instructions.3.e).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph e false014false 3rr_PortfolioTurnoverHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<b>Portfolio Turnover </b>falsefalsefalsexbrli:stringItemTypestringDisclose the portfolio turnover rate provided in response to Item 14(a) for the most recent fiscal year (or for such shorter period as the Fund has been in operation). 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It assumes a 5% return each year and no change in expenses. Although your actual costs may be higher or lower, based on these assumptions your costs would be:falsefalsefalsenonnum:textBlockItemTypenaThe Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection example -Paragraph 1 -Subparagraph 1 false021false 3rr_ExpenseExampleNoRedemptionByYearCaptionrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00You would pay the following expenses on the same investment if you did not sell your shares:falsefalsefalsexbrli:stringItemTypestringYou would pay the following expenses if you did not redeem your shares. Include the second 1-, 3-, 5-, and 10-year periods and related narrative explanation only if a sales charge (load) or other fee is charged upon redemption.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection example -Paragraph 2 -Subparagraph 1 false022false 3rr_StrategyHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<b>Principal Investment Strategies </b>falsefalsefalsexbrli:stringItemTypestringPrincipal investment strategies of the Fund. Summarize how the Fund intends to achieve its investment objectives by identifying the Fund's principal investment strategies (including the type or types of securities in which the Fund invests or will invest principally) and any policy to concentrate in securities of issuers in a particular industry or group of industries.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection a false023false 3rr_StrategyNarrativeTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Under normal market conditions, the Fund invests at least 80% of its net assets in municipal securities issued by the State of Wisconsin, its municipalities, other political subdivisions and public authorities of Wisconsin and similar obligations of other agencies and entities that pay interest that, in the opinion of bond counsel to the issuer, is exempt from federal income tax and Wisconsin personal income tax (including territories and possessions of the United States and their political subdivisions and political authorities, and certain other governmental issuers) and also from federal and applicable Wisconsin alternative minimum taxes. <br /><br />Debt obligations issued by or on behalf of a state or territory or its agencies, instrumentalities, municipalities and political subdivisions and certain other governmental issuers, the interest on which is exempt from federal income tax, are referred to as &#8220;tax exempt obligations.&#8221; <br /><br />When the subadviser is unable to find a sufficient supply of qualifying tax exempt obligations issued in Wisconsin that the subadviser believes could be good investments for the Fund, the subadviser may invest more than 25% of the Fund&#8217;s net assets in debt obligations issued by or on behalf of Puerto Rico, Guam, the U.S. Virgin Islands, American Samoa, the Northern Mariana Islands and their municipalities and other political subdivisions and public authorities, the income from which, in the opinion of bond counsel to the issuer, is exempt from federal income tax and Wisconsin personal income tax. The Fund does not seek to concentrate its investments in any particular industry and generally will not invest more than 25% of its net assets in tax exempt obligations payable from the revenues of any single industry. However, when the subadviser is unable to find a sufficient supply of other appropriate tax exempt obligations, it may invest more than 25% of the Fund&#8217;s net assets in bonds payable from the revenues of any of the housing, healthcare or utilities industries. <br /><br />The Fund invests primarily in tax exempt obligations that are rated investment grade (the four highest rating categories of nationally recognized statistical ratings organizations) at the time of purchase (i.e., at least Baa3/BBB-) or that are unrated but that the subadviser determines, at the time of purchase, are of comparable quality to obligations rated investment grade. <br /><br />The Fund may invest up to 20% of its net assets in tax exempt obligations that are rated below investment grade (but not rated below B) and in unrated bonds that the subadviser determines, at the time of purchase, to be of comparable quality (these below investment-grade obligations are sometimes referred to as junk bonds or high-yield bonds). <br /><br />It is possible that, after the Fund purchases a tax exempt obligation that meets its credit quality standards, the obligation may be downgraded or the subadviser may reassess its view of the issuer&#8217;s credit quality. The subadviser will consider such an event in determining whether the Fund should continue to hold the obligation, but will not automatically dispose of the obligation solely because it has been downgraded. However, if such a downgrade causes more than 5% of the Fund&#8217;s total assets to be invested in tax exempt obligations that do not meet the Fund&#8217;s minimum credit standards, then the subadviser may sell some of the lower quality tax exempt obligations so that less than 5% of the Fund&#8217;s total assets are invested in such obligations. <br /><br />In analyzing rated and unrated tax exempt obligations, the subadviser obtains and reviews available information on the creditworthiness of the parties obligated to make principal and interest payments (including any parties who guarantee the borrower&#8217;s payment obligations). The subadviser also considers various qualitative factors and trends that affect tax exempt obligations generally. A significant portion of the credit ratings of the tax exempt obligations held by the Fund are enhanced by insurance, although the ability of the insurer to pay principal and interest in the event of a default by the issuer cannot be assured.falsefalsefalsenonnum:textBlockItemTypenaPrincipal investment strategies of the Fund. Summarize how the Fund intends to achieve its investment objectives by identifying the Fund's principal investment strategies (including the type or types of securities in which the Fund invests or will invest principally) and any policy to concentrate in securities of issuers in a particular industry or group of industries.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection a false024false 3rr_RiskHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<b>Principal Risks </b>falsefalsefalsexbrli:stringItemTypestringNarrative Risk Disclosure.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection b -Paragraph 1 false025false 3rr_RiskNarrativeTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00The Fund cannot guarantee that it will achieve its investment objective. <br /><br />As with any fund, the value of the Fund&#8217;s investments&#8212;and therefore, the value of Fund shares&#8212;may fluctuate. These changes may occur because of:<br /><br /><b>Interest rate risk</b> &#8211; generally, when interest rates go up, the value of fixed-income securities goes down. Prices of longer-term securities generally change more in response to interest rate changes than prices of shorter-term securities. To the extent a Fund invests a substantial portion of its assets in fixed-income securities with longer-term maturities, rising interest rates are more likely to cause the value of the Fund&#8217;s investments to decline significantly.<br /><br /><b>Credit risk</b> &#8211; a bond issuer may be unable to pay the interest or principal when due. If an issuer defaults, the Fund may lose money. This risk is particularly high for high-yield bonds. Changes in a bond issuer&#8217;s credit rating or the market&#8217;s perception of an issuer&#8217;s creditworthiness may also affect the value of a bond.<br /><br /><b>High-yield bonds risk</b> &#8211; investing in high-yield bonds and other lower-rated bonds will subject the Fund to substantial risk of loss due to issuer default, decline in market value due to adverse economic and business developments, or sensitivity to changing interest rates.<br /><br /><b>Liquidity risk</b> &#8211; when there is little or no active trading market for specific types of securities, it can become more difficult to sell the securities at or near their perceived value. In such a market, the value of such securities and the Fund&#8217;s share price may fall dramatically.<br /><br /><b>Prepayment and call risk</b> &#8211; certain bonds will be paid off by the issuer more quickly than anticipated. If this happens, the Fund may be required to invest the proceeds in securities with lower yields.<br /><br /><b>Geographic concentration risk</b> &#8211; The Fund normally will invest significant portions of its assets in several specific geographic areas, including Wisconsin and, to a lesser extent, U.S. territories, for example, Puerto Rico, Guam, the U.S. Virgin Islands, American Samoa and the Northern Mariana Islands. Political, legislative, business and economic conditions and developments within these areas will affect the Fund&#8217;s performance, because the Fund&#8217;s investments primarily will be made in those geographic territories. For example, the Fund may be affected significantly by economic, regulatory or political developments affecting the ability of municipal issuers in these jurisdictions to pay interest or repay principal. Future political and economic developments, constitutional amendments, legislative measures, executive orders, administrative regulation, litigation or voter initiatives could have an adverse effect on the debt obligations of municipal issuers. By concentrating its investments in bonds issued in specific geographic areas, the Fund&#8217;s credit risk is more dependent on the ability of the territory or state and its cities and municipalities to make timely payments on their obligations.<br /><br /><b>Concentration risk</b> &#8211; The risk associated with exposure to any one industry or sector. Any economic, business, political and other changes that affect one such revenue bond potentially could affect other revenue bonds in the same industry segment. The resulting industry concentration could increase the Fund&#8217;s market risk or credit risk, or both.<br /><br /><b>Limited supply risk</b> &#8211; Only limited categories of tax exempt obligations are exempt from both federal income tax and Wisconsin personal income tax. Because there are limited categories of these double tax exempt bonds, the Fund may not always be able to invest its assets in tax exempt obligations issued in Wisconsin.<br /><br /><b>Alternative minimum tax risk</b> &#8211; The Fund may invest up to 10% of its total assets in municipal securities that generate interest which is subject to alternative minimum tax (&#8220;AMT&#8221;). As a result, taxpayers who are subject to the AMT potentially could earn a lower after-tax return.<br /><br /><b>Nondiversified fund risk</b> &#8211; The Fund is a &#8220;nondiversified&#8221; fund under the Investment Company Act of 1940. Compared with other funds, the Fund may invest a greater percentage of its assets in a particular issuer, and thereby have greater exposure to risks associated with an individual issuer. <br /><br />In addition to these risks, the Fund&#8217;s portfolio managers may select securities that underperform the bond market, the Fund&#8217;s benchmark or other mutual funds with similar investment objectives and strategies. If the value of the Fund&#8217;s investments goes down, you may lose money.falsefalsefalsenonnum:textBlockItemTypenaNarrative Risk Disclosure. A Fund may, in responding to this Item, describe the types of investors for whom the Fund is intended or the types of investment goals that may be consistent with an investment in the Fund.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection b -Paragraph 1 -Subparagraph i -Clause instruction false026false 3rr_RiskLoseMoneyrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00If the value of the Fund&#8217;s investments goes down, you may lose money.falsefalsefalsexbrli:stringItemTypestringSummarize the principal risks of investing in the Fund, including the risks to which the Fund's portfolio as a whole is subject and the circumstances reasonably likely to affect adversely the Fund's net asset value, yield, and total return. Unless the Fund is a Money Market Fund, disclose that loss of money is a risk of investing in the Fund. A Fund may, in responding to this Item, describe the types of investors for whom the Fund is intended or the types of investment goals that may be consistent with an investment in the Fund.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection b -Paragraph 1 -Subparagraph i false027false 3rr_RiskNondiversifiedStatusrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<b>Nondiversified fund risk</b> &#8211; The Fund is a &#8220;nondiversified&#8221; fund under the Investment Company Act of 1940. Compared with other funds, the Fund may invest a greater percentage of its assets in a particular issuer, and thereby have greater exposure to risks associated with an individual issuer.falsefalsefalsexbrli:stringItemTypestringIf applicable, state that the Fund is non-diversified, describe the effect of non-diversification (e.g., disclose that, compared with other funds, the Fund may invest a greater percentage of its assets in a particular issuer), and summarize the risks of investing in a non-diversified fund.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection b -Paragraph 1 -Subparagraph iv false028false 3rr_BarChartAndPerformanceTableHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<b>Performance </b>falsefalsefalsexbrli:stringItemTypestringRisk/Return Bar Chart and Table.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection b -Paragraph 2 false029false 3rr_PerformanceNarrativeTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Performance information gives some indication of the risks of an investment in the Fund by comparing the Fund&#8217;s performance with a broad measure of market performance. Performance information is not provided because the Fund did not complete one full calendar year of operations as of the date of this Prospectus.falsefalsefalsenonnum:textBlockItemTypenaRisk/Return Bar Chart and Table.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection b -Paragraph 2 false030false 3rr_PerformanceOneYearOrLessrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Performance information is not provided because the Fund did not complete one full calendar year of operations as of the date of this Prospectus.falsefalsefalsexbrli:stringItemTypestringFor a Fund that provides annual total returns for only one calendar year or for a Fund that does not include the bar chart because it does not have annual returns for a full calendar year, modify, as appropriate, the narrative explanation required by stating that the information gives some indication of the risks of an investment in the Fund by comparing the Fund's performance with a broad measure of market performance). Provide a brief explanation of how the information illustrates the variability of the Fund's returns (e.g., by stating that the information provides some indication of the risks of investing in the Fund by showing changes in the Fund's performance from year to year and by showing how the Fund's average annual returns for 1, 5, and 10 years compare with those of a broad measure of market performance). Provide a statement to the effect that the Fund's past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection b -Paragraph 2 -Subparagraph i Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection b -Paragraph 2 -Subparagraph instructions -Clause 1 -Exhibit b false031false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse3false USDtruefalse$Duration_18Jun2012_17Jun2013S000041100_MemberC000127606_Memberhttp://www.sec.gov/CIK0001048702duration2012-06-18T00:00:002013-06-17T00:00:00falsefalseNationwide Ziegler Wisconsin Tax Exempt Funddei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldinmf_S000041100Memberdei_LegalEntityAxisexplicitMemberfalsefalseClass A Sharesrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldinmf_C000127606Memberrr_ProspectusShareClassAxisexplicitMemberpureStandardhttp://www.xbrl.org/2003/instancepure0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse032true 2rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse033false 3rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPricerr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue0.02250.0225falsefalsefalserr:NonNegativePure4TypepureMaximum Deferred Sales Charge (Load) (as a percentage of ____) A.3.instructions.2.a.i "Maximum Deferred Sales Charge (Load)" includes the maximum total deferred sales charge (load) payable upon redemption, in installments, or both, expressed as a percentage of the amount or amounts stated in response to Item 7(a), except that, for a sales charge (load) based on net asset value at the time of purchase, show the sales charge (load) as a percentage of the offering price at the time of purchase. A Fund may include in a footnote to the table, if applicable, a tabular presentation showing the amount of deferred sales charges (loads) over time or a narrative explanation of the sales charges (loads) (e.g., __% in the first year after purchase, declining to __% in the __ year and eliminated thereafter). A.3.instructions.2.a.ii If more than one type of sales charge (load) is imposed (e.g., a deferred sales charge (load) and a front-end sales charge (load)), the first caption in the table should read "Maximum Sales Charge (Load)" and show the maximum cumulative percentage. Show the percentage amounts and the terms of each sales charge (load) comprising that figure on separate lines below.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 1 false034false 3rr_MaximumDeferredSalesChargeOverOfferingPricerr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue00falsefalsefalserr:NonNegativePure4TypepureMaximum Deferred Sales Charge (Load) (as a percentage of ____) A.3.instructions.2.a.i "Maximum Deferred Sales Charge (Load)" includes the maximum total deferred sales charge (load) payable upon redemption, in installments, or both, expressed as a percentage of the amount or amounts stated in response to Item 7(a), except that, for a sales charge (load) based on net asset value at the time of purchase, show the sales charge (load) as a percentage of the offering price at the time of purchase. A Fund may include in a footnote to the table, if applicable, a tabular presentation showing the amount of deferred sales charges (loads) over time or a narrative explanation of the sales charges (loads) (e.g., __% in the first year after purchase, declining to __% in the __ year and eliminated thereafter). A.3.instructions.2.a.ii If more than one type of sales charge (load) is imposed (e.g., a deferred sales charge (load) and a front-end sales charge (load)), the first caption in the table should read "Maximum Sales Charge (Load)" and show the maximum cumulative percentage. Show the percentage amounts and the terms of each sales charge (load) comprising that figure on separate lines below.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 2 -Subparagraph a -Clause i false035false 3rr_ManagementFeesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue0.0050.005falsefalsefalserr:NonNegativePure4TypepureManagement Fees include investment advisory fees (including any fees based on the Fund's performance), any other management fees payable to the investment adviser or its affiliates, and administrative fees payable to the investment adviser or its affiliates that are not included as "Other Expenses."Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph a false036false 3rr_DistributionAndService12b1FeesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue0.00250.0025falsefalsefalserr:NonNegativePure4TypepureDistribution [and/or Service] (12b-1) Fees" include all distribution or other expenses incurred during the most recent fiscal year under a plan adopted pursuant to rule 12b-1 [17 CFR 270.12b-1]. Under an appropriate caption or a subcaption of "Other Expenses," disclose the amount of any distribution or similar expenses deducted from the Fund's assets other than pursuant to a rule 12b-1 plan.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 9 false037false 3rr_OtherExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue0.00460.0046[1]falsefalsefalserr:NonNegativePure4Typepure"Other Expenses" include all expenses not otherwise disclosed in the table that are deducted from the Fund's assets or charged to all shareholder accounts. The amount of expenses deducted from the Fund's assets are the amounts shown as expenses in the Fund's statement of operations (including increases resulting from complying with paragraph 2(g) of rule 6-07 of Regulation S-X [17 CFR 210.6-07]). "Other Expenses" do not include extraordinary expenses as determined under generally accepted accounting principles (see Accounting Principles Board Opinion No. 30). If extraordinary expenses were incurred that materially affected the Fund's "Other Expenses," disclose in a footnote to the table what "Other Expenses" would have been had the extraordinary expenses been included.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph c -Clause i false038false 3rr_AcquiredFundFeesAndExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue0.00010.0001falsefalsefalserr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 11 false039false 3rr_ExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue0.01220.0122falsefalsefalserr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses. If the Fund is a Feeder Fund, reflect the aggregate expenses of the Feeder Fund and the Master Fund in a single fee table using the captions provided. In a footnote to the fee table, state that the table and Example reflect the expenses of both the Feeder and Master Funds. If the prospectus offers more than one Class of a Multiple Class Fund or more than one Feeder Fund that invests in the same Master Fund, provide a separate response for each Class or Feeder Fund. Base the percentages of "Annual Fund Operating Expenses" on amounts incurred during the Fund's most recent fiscal year, but include in expenses amounts that would have been incurred absent expense reimbursement or fee waiver arrangements. If the Fund has changed its fiscal year and, as a result, the most recent fiscal year is less than three months, use the fiscal year prior to the most recent fiscal year as the basis for determining "Annual Fund Operating Expenses."Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph d false040false 3rr_FeeWaiverOrReimbursementOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue-0.0031-0.0031[2]falsefalsefalserr:NonPositivePure4TypepureTotal Annual Fund Operating Expenses. If there were expense reimbursement or fee waiver arrangements that reduced any Fund operating expenses and will continue to reduce them for no less than one year from the effective date of the Fund's registration statement, a Fund may add two captions to the table one caption showing the amount of the expense reimbursement or fee waiver, and a second caption showing the Fund's net expenses after subtracting the fee reimbursement or expense waiver from the total fund operating expenses. The Fund should place these additional captions directly below the "Total Annual Fund Operating Expenses" caption of the table and should use appropriate descriptive captions, such as "Fee Waiver [and/or Expense Reimbursement]" and "Total Annual Fund Operating Expenses After Fee Waiver [and/or Expense Reimbursement]," respectively. If the Fund provides this disclosure, also disclose the period for which the expense reimbursement or fee waiver arrangement is expected to continue, and briefly describe who can terminate the arrangement and under what circumstances.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 11 false041false 3rr_NetExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue0.00910.0091falsefalsefalserr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 11 false042false 3rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsetrue316316USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 4 false243false 3rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsetrue574574USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection example -Paragraph 1 -Subparagraph 2 false244false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse4false USDtruefalse$Duration_18Jun2012_17Jun2013S000041100_MemberC000127607_Memberhttp://www.sec.gov/CIK0001048702duration2012-06-18T00:00:002013-06-17T00:00:00falsefalseNationwide Ziegler Wisconsin Tax Exempt Funddei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldinmf_S000041100Memberdei_LegalEntityAxisexplicitMemberfalsefalseClass C Sharesrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldinmf_C000127607Memberrr_ProspectusShareClassAxisexplicitMemberpureStandardhttp://www.xbrl.org/2003/instancepure0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse045true 2rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse046false 3rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPricerr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue00falsefalsefalserr:NonNegativePure4TypepureMaximum Deferred Sales Charge (Load) (as a percentage of ____) A.3.instructions.2.a.i "Maximum Deferred Sales Charge (Load)" includes the maximum total deferred sales charge (load) payable upon redemption, in installments, or both, expressed as a percentage of the amount or amounts stated in response to Item 7(a), except that, for a sales charge (load) based on net asset value at the time of purchase, show the sales charge (load) as a percentage of the offering price at the time of purchase. A Fund may include in a footnote to the table, if applicable, a tabular presentation showing the amount of deferred sales charges (loads) over time or a narrative explanation of the sales charges (loads) (e.g., __% in the first year after purchase, declining to __% in the __ year and eliminated thereafter). A.3.instructions.2.a.ii If more than one type of sales charge (load) is imposed (e.g., a deferred sales charge (load) and a front-end sales charge (load)), the first caption in the table should read "Maximum Sales Charge (Load)" and show the maximum cumulative percentage. Show the percentage amounts and the terms of each sales charge (load) comprising that figure on separate lines below.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 1 false047false 3rr_MaximumDeferredSalesChargeOverOfferingPricerr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue0.010.01falsefalsefalserr:NonNegativePure4TypepureMaximum Deferred Sales Charge (Load) (as a percentage of ____) A.3.instructions.2.a.i "Maximum Deferred Sales Charge (Load)" includes the maximum total deferred sales charge (load) payable upon redemption, in installments, or both, expressed as a percentage of the amount or amounts stated in response to Item 7(a), except that, for a sales charge (load) based on net asset value at the time of purchase, show the sales charge (load) as a percentage of the offering price at the time of purchase. A Fund may include in a footnote to the table, if applicable, a tabular presentation showing the amount of deferred sales charges (loads) over time or a narrative explanation of the sales charges (loads) (e.g., __% in the first year after purchase, declining to __% in the __ year and eliminated thereafter). A.3.instructions.2.a.ii If more than one type of sales charge (load) is imposed (e.g., a deferred sales charge (load) and a front-end sales charge (load)), the first caption in the table should read "Maximum Sales Charge (Load)" and show the maximum cumulative percentage. Show the percentage amounts and the terms of each sales charge (load) comprising that figure on separate lines below.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 2 -Subparagraph a -Clause i false048false 3rr_ManagementFeesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue0.0050.005falsefalsefalserr:NonNegativePure4TypepureManagement Fees include investment advisory fees (including any fees based on the Fund's performance), any other management fees payable to the investment adviser or its affiliates, and administrative fees payable to the investment adviser or its affiliates that are not included as "Other Expenses."Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph a false049false 3rr_DistributionAndService12b1FeesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue0.00750.0075falsefalsefalserr:NonNegativePure4TypepureDistribution [and/or Service] (12b-1) Fees" include all distribution or other expenses incurred during the most recent fiscal year under a plan adopted pursuant to rule 12b-1 [17 CFR 270.12b-1]. Under an appropriate caption or a subcaption of "Other Expenses," disclose the amount of any distribution or similar expenses deducted from the Fund's assets other than pursuant to a rule 12b-1 plan.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 9 false050false 3rr_OtherExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue0.00210.0021[1]falsefalsefalserr:NonNegativePure4Typepure"Other Expenses" include all expenses not otherwise disclosed in the table that are deducted from the Fund's assets or charged to all shareholder accounts. The amount of expenses deducted from the Fund's assets are the amounts shown as expenses in the Fund's statement of operations (including increases resulting from complying with paragraph 2(g) of rule 6-07 of Regulation S-X [17 CFR 210.6-07]). "Other Expenses" do not include extraordinary expenses as determined under generally accepted accounting principles (see Accounting Principles Board Opinion No. 30). If extraordinary expenses were incurred that materially affected the Fund's "Other Expenses," disclose in a footnote to the table what "Other Expenses" would have been had the extraordinary expenses been included.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph c -Clause i false051false 3rr_AcquiredFundFeesAndExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue0.00010.0001falsefalsefalserr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 11 false052false 3rr_ExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue0.01470.0147falsefalsefalserr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses. If the Fund is a Feeder Fund, reflect the aggregate expenses of the Feeder Fund and the Master Fund in a single fee table using the captions provided. In a footnote to the fee table, state that the table and Example reflect the expenses of both the Feeder and Master Funds. If the prospectus offers more than one Class of a Multiple Class Fund or more than one Feeder Fund that invests in the same Master Fund, provide a separate response for each Class or Feeder Fund. Base the percentages of "Annual Fund Operating Expenses" on amounts incurred during the Fund's most recent fiscal year, but include in expenses amounts that would have been incurred absent expense reimbursement or fee waiver arrangements. If the Fund has changed its fiscal year and, as a result, the most recent fiscal year is less than three months, use the fiscal year prior to the most recent fiscal year as the basis for determining "Annual Fund Operating Expenses."Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph d false053false 3rr_FeeWaiverOrReimbursementOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue-0.0011-0.0011[2]falsefalsefalserr:NonPositivePure4TypepureTotal Annual Fund Operating Expenses. If there were expense reimbursement or fee waiver arrangements that reduced any Fund operating expenses and will continue to reduce them for no less than one year from the effective date of the Fund's registration statement, a Fund may add two captions to the table one caption showing the amount of the expense reimbursement or fee waiver, and a second caption showing the Fund's net expenses after subtracting the fee reimbursement or expense waiver from the total fund operating expenses. The Fund should place these additional captions directly below the "Total Annual Fund Operating Expenses" caption of the table and should use appropriate descriptive captions, such as "Fee Waiver [and/or Expense Reimbursement]" and "Total Annual Fund Operating Expenses After Fee Waiver [and/or Expense Reimbursement]," respectively. If the Fund provides this disclosure, also disclose the period for which the expense reimbursement or fee waiver arrangement is expected to continue, and briefly describe who can terminate the arrangement and under what circumstances.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 11 false054false 3rr_NetExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue0.01360.0136falsefalsefalserr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 11 false055false 3rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsetrue238238USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 4 false256false 3rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsetrue454454USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection example -Paragraph 1 -Subparagraph 2 false257false 3rr_ExpenseExampleNoRedemptionYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsetrue138138USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryYou would pay the following expenses if you did not redeem your shares. Include the second 1-, 3-, 5-, and 10-year periods and related narrative explanation only if a sales charge (load) or other fee is charged upon redemption.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection example -Paragraph 2 -Subparagraph 1 false258false 3rr_ExpenseExampleNoRedemptionYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsetrue454454USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryYou would pay the following expenses if you did not redeem your shares. Include the second 1-, 3-, 5-, and 10-year periods and related narrative explanation only if a sales charge (load) or other fee is charged upon redemption.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection example -Paragraph 2 -Subparagraph 1 false259false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse5false USDtruefalse$Duration_18Jun2012_17Jun2013S000041100_MemberC000127608_Memberhttp://www.sec.gov/CIK0001048702duration2012-06-18T00:00:002013-06-17T00:00:00falsefalseNationwide Ziegler Wisconsin Tax Exempt Funddei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldinmf_S000041100Memberdei_LegalEntityAxisexplicitMemberfalsefalseInstitutional Class Sharesrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldinmf_C000127608Memberrr_ProspectusShareClassAxisexplicitMemberpureStandardhttp://www.xbrl.org/2003/instancepure0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse060true 2rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse061false 3rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPricerr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue00falsefalsefalserr:NonNegativePure4TypepureMaximum Deferred Sales Charge (Load) (as a percentage of ____) A.3.instructions.2.a.i "Maximum Deferred Sales Charge (Load)" includes the maximum total deferred sales charge (load) payable upon redemption, in installments, or both, expressed as a percentage of the amount or amounts stated in response to Item 7(a), except that, for a sales charge (load) based on net asset value at the time of purchase, show the sales charge (load) as a percentage of the offering price at the time of purchase. A Fund may include in a footnote to the table, if applicable, a tabular presentation showing the amount of deferred sales charges (loads) over time or a narrative explanation of the sales charges (loads) (e.g., __% in the first year after purchase, declining to __% in the __ year and eliminated thereafter). A.3.instructions.2.a.ii If more than one type of sales charge (load) is imposed (e.g., a deferred sales charge (load) and a front-end sales charge (load)), the first caption in the table should read "Maximum Sales Charge (Load)" and show the maximum cumulative percentage. Show the percentage amounts and the terms of each sales charge (load) comprising that figure on separate lines below.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 1 false062false 3rr_MaximumDeferredSalesChargeOverOfferingPricerr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue00falsefalsefalserr:NonNegativePure4TypepureMaximum Deferred Sales Charge (Load) (as a percentage of ____) A.3.instructions.2.a.i "Maximum Deferred Sales Charge (Load)" includes the maximum total deferred sales charge (load) payable upon redemption, in installments, or both, expressed as a percentage of the amount or amounts stated in response to Item 7(a), except that, for a sales charge (load) based on net asset value at the time of purchase, show the sales charge (load) as a percentage of the offering price at the time of purchase. A Fund may include in a footnote to the table, if applicable, a tabular presentation showing the amount of deferred sales charges (loads) over time or a narrative explanation of the sales charges (loads) (e.g., __% in the first year after purchase, declining to __% in the __ year and eliminated thereafter). A.3.instructions.2.a.ii If more than one type of sales charge (load) is imposed (e.g., a deferred sales charge (load) and a front-end sales charge (load)), the first caption in the table should read "Maximum Sales Charge (Load)" and show the maximum cumulative percentage. Show the percentage amounts and the terms of each sales charge (load) comprising that figure on separate lines below.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 2 -Subparagraph a -Clause i false063false 3rr_ManagementFeesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue0.0050.005falsefalsefalserr:NonNegativePure4TypepureManagement Fees include investment advisory fees (including any fees based on the Fund's performance), any other management fees payable to the investment adviser or its affiliates, and administrative fees payable to the investment adviser or its affiliates that are not included as "Other Expenses."Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph a false064false 3rr_DistributionAndService12b1FeesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue00falsefalsefalserr:NonNegativePure4TypepureDistribution [and/or Service] (12b-1) Fees" include all distribution or other expenses incurred during the most recent fiscal year under a plan adopted pursuant to rule 12b-1 [17 CFR 270.12b-1]. Under an appropriate caption or a subcaption of "Other Expenses," disclose the amount of any distribution or similar expenses deducted from the Fund's assets other than pursuant to a rule 12b-1 plan.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 9 false065false 3rr_OtherExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue0.00210.0021[1]falsefalsefalserr:NonNegativePure4Typepure"Other Expenses" include all expenses not otherwise disclosed in the table that are deducted from the Fund's assets or charged to all shareholder accounts. The amount of expenses deducted from the Fund's assets are the amounts shown as expenses in the Fund's statement of operations (including increases resulting from complying with paragraph 2(g) of rule 6-07 of Regulation S-X [17 CFR 210.6-07]). "Other Expenses" do not include extraordinary expenses as determined under generally accepted accounting principles (see Accounting Principles Board Opinion No. 30). If extraordinary expenses were incurred that materially affected the Fund's "Other Expenses," disclose in a footnote to the table what "Other Expenses" would have been had the extraordinary expenses been included.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph c -Clause i false066false 3rr_AcquiredFundFeesAndExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue0.00010.0001falsefalsefalserr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 11 false067false 3rr_ExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue0.00720.0072falsefalsefalserr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses. If the Fund is a Feeder Fund, reflect the aggregate expenses of the Feeder Fund and the Master Fund in a single fee table using the captions provided. In a footnote to the fee table, state that the table and Example reflect the expenses of both the Feeder and Master Funds. If the prospectus offers more than one Class of a Multiple Class Fund or more than one Feeder Fund that invests in the same Master Fund, provide a separate response for each Class or Feeder Fund. Base the percentages of "Annual Fund Operating Expenses" on amounts incurred during the Fund's most recent fiscal year, but include in expenses amounts that would have been incurred absent expense reimbursement or fee waiver arrangements. If the Fund has changed its fiscal year and, as a result, the most recent fiscal year is less than three months, use the fiscal year prior to the most recent fiscal year as the basis for determining "Annual Fund Operating Expenses."Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph d false068false 3rr_FeeWaiverOrReimbursementOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue-0.0011-0.0011[2]falsefalsefalserr:NonPositivePure4TypepureTotal Annual Fund Operating Expenses. If there were expense reimbursement or fee waiver arrangements that reduced any Fund operating expenses and will continue to reduce them for no less than one year from the effective date of the Fund's registration statement, a Fund may add two captions to the table one caption showing the amount of the expense reimbursement or fee waiver, and a second caption showing the Fund's net expenses after subtracting the fee reimbursement or expense waiver from the total fund operating expenses. The Fund should place these additional captions directly below the "Total Annual Fund Operating Expenses" caption of the table and should use appropriate descriptive captions, such as "Fee Waiver [and/or Expense Reimbursement]" and "Total Annual Fund Operating Expenses After Fee Waiver [and/or Expense Reimbursement]," respectively. If the Fund provides this disclosure, also disclose the period for which the expense reimbursement or fee waiver arrangement is expected to continue, and briefly describe who can terminate the arrangement and under what circumstances.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 11 false069false 3rr_NetExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue0.00610.0061falsefalsefalserr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 11 false070false 3rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsetrue6262USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 4 false271false 3rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsetrue219219USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection example -Paragraph 1 -Subparagraph 2 false272false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse6false USDtruefalse$Duration_18Jun2012_17Jun2013S000041100_MemberC000127609_Memberhttp://www.sec.gov/CIK0001048702duration2012-06-18T00:00:002013-06-17T00:00:00falsefalseNationwide Ziegler Wisconsin Tax Exempt Funddei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldinmf_S000041100Memberdei_LegalEntityAxisexplicitMemberfalsefalseInstitutional Service Class Sharesrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldinmf_C000127609Memberrr_ProspectusShareClassAxisexplicitMemberpureStandardhttp://www.xbrl.org/2003/instancepure0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse073true 2rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse074false 3rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPricerr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue00falsefalsefalserr:NonNegativePure4TypepureMaximum Deferred Sales Charge (Load) (as a percentage of ____) A.3.instructions.2.a.i "Maximum Deferred Sales Charge (Load)" includes the maximum total deferred sales charge (load) payable upon redemption, in installments, or both, expressed as a percentage of the amount or amounts stated in response to Item 7(a), except that, for a sales charge (load) based on net asset value at the time of purchase, show the sales charge (load) as a percentage of the offering price at the time of purchase. A Fund may include in a footnote to the table, if applicable, a tabular presentation showing the amount of deferred sales charges (loads) over time or a narrative explanation of the sales charges (loads) (e.g., __% in the first year after purchase, declining to __% in the __ year and eliminated thereafter). A.3.instructions.2.a.ii If more than one type of sales charge (load) is imposed (e.g., a deferred sales charge (load) and a front-end sales charge (load)), the first caption in the table should read "Maximum Sales Charge (Load)" and show the maximum cumulative percentage. Show the percentage amounts and the terms of each sales charge (load) comprising that figure on separate lines below.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 1 false075false 3rr_MaximumDeferredSalesChargeOverOfferingPricerr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue00falsefalsefalserr:NonNegativePure4TypepureMaximum Deferred Sales Charge (Load) (as a percentage of ____) A.3.instructions.2.a.i "Maximum Deferred Sales Charge (Load)" includes the maximum total deferred sales charge (load) payable upon redemption, in installments, or both, expressed as a percentage of the amount or amounts stated in response to Item 7(a), except that, for a sales charge (load) based on net asset value at the time of purchase, show the sales charge (load) as a percentage of the offering price at the time of purchase. A Fund may include in a footnote to the table, if applicable, a tabular presentation showing the amount of deferred sales charges (loads) over time or a narrative explanation of the sales charges (loads) (e.g., __% in the first year after purchase, declining to __% in the __ year and eliminated thereafter). A.3.instructions.2.a.ii If more than one type of sales charge (load) is imposed (e.g., a deferred sales charge (load) and a front-end sales charge (load)), the first caption in the table should read "Maximum Sales Charge (Load)" and show the maximum cumulative percentage. Show the percentage amounts and the terms of each sales charge (load) comprising that figure on separate lines below.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 2 -Subparagraph a -Clause i false076false 3rr_ManagementFeesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue0.0050.005falsefalsefalserr:NonNegativePure4TypepureManagement Fees include investment advisory fees (including any fees based on the Fund's performance), any other management fees payable to the investment adviser or its affiliates, and administrative fees payable to the investment adviser or its affiliates that are not included as "Other Expenses."Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph a false077false 3rr_DistributionAndService12b1FeesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue00falsefalsefalserr:NonNegativePure4TypepureDistribution [and/or Service] (12b-1) Fees" include all distribution or other expenses incurred during the most recent fiscal year under a plan adopted pursuant to rule 12b-1 [17 CFR 270.12b-1]. Under an appropriate caption or a subcaption of "Other Expenses," disclose the amount of any distribution or similar expenses deducted from the Fund's assets other than pursuant to a rule 12b-1 plan.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 9 false078false 3rr_OtherExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue0.00460.0046[1]falsefalsefalserr:NonNegativePure4Typepure"Other Expenses" include all expenses not otherwise disclosed in the table that are deducted from the Fund's assets or charged to all shareholder accounts. The amount of expenses deducted from the Fund's assets are the amounts shown as expenses in the Fund's statement of operations (including increases resulting from complying with paragraph 2(g) of rule 6-07 of Regulation S-X [17 CFR 210.6-07]). "Other Expenses" do not include extraordinary expenses as determined under generally accepted accounting principles (see Accounting Principles Board Opinion No. 30). If extraordinary expenses were incurred that materially affected the Fund's "Other Expenses," disclose in a footnote to the table what "Other Expenses" would have been had the extraordinary expenses been included.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph c -Clause i false079false 3rr_AcquiredFundFeesAndExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue0.00010.0001falsefalsefalserr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 11 false080false 3rr_ExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue0.00970.0097falsefalsefalserr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses. If the Fund is a Feeder Fund, reflect the aggregate expenses of the Feeder Fund and the Master Fund in a single fee table using the captions provided. In a footnote to the fee table, state that the table and Example reflect the expenses of both the Feeder and Master Funds. If the prospectus offers more than one Class of a Multiple Class Fund or more than one Feeder Fund that invests in the same Master Fund, provide a separate response for each Class or Feeder Fund. Base the percentages of "Annual Fund Operating Expenses" on amounts incurred during the Fund's most recent fiscal year, but include in expenses amounts that would have been incurred absent expense reimbursement or fee waiver arrangements. If the Fund has changed its fiscal year and, as a result, the most recent fiscal year is less than three months, use the fiscal year prior to the most recent fiscal year as the basis for determining "Annual Fund Operating Expenses."Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 3 -Subparagraph d false081false 3rr_FeeWaiverOrReimbursementOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue-0.0031-0.0031[2]falsefalsefalserr:NonPositivePure4TypepureTotal Annual Fund Operating Expenses. If there were expense reimbursement or fee waiver arrangements that reduced any Fund operating expenses and will continue to reduce them for no less than one year from the effective date of the Fund's registration statement, a Fund may add two captions to the table one caption showing the amount of the expense reimbursement or fee waiver, and a second caption showing the Fund's net expenses after subtracting the fee reimbursement or expense waiver from the total fund operating expenses. The Fund should place these additional captions directly below the "Total Annual Fund Operating Expenses" caption of the table and should use appropriate descriptive captions, such as "Fee Waiver [and/or Expense Reimbursement]" and "Total Annual Fund Operating Expenses After Fee Waiver [and/or Expense Reimbursement]," respectively. If the Fund provides this disclosure, also disclose the period for which the expense reimbursement or fee waiver arrangement is expected to continue, and briefly describe who can terminate the arrangement and under what circumstances.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 11 false082false 3rr_NetExpensesOverAssetsrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruetrue0.00660.0066falsefalsefalserr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 11 false083false 3rr_ExpenseExampleYear01rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsetrue6767USD$falsefalsefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection instructions -Paragraph 4 false284false 3rr_ExpenseExampleYear03rr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsetrue278278USD$falsetruefalserr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Subsection example -Paragraph 1 -Subparagraph 2 false21"Other Expenses" are based on estimated amounts for the current fiscal year.2Nationwide Mutual Funds (the "Trust") and Nationwide Fund Advisors (the "Adviser") have entered into a written contract limiting operating expenses to 0.90% for Class A shares, 1.35% for Class C shares, 0.60% for Institutional Class shares, and 0.65% for Institutional Service Class shares until at least November 30, 2015. Under the expense limitation agreement, the level to which operating expenses are limited excludes any taxes, interest, brokerage commissions, acquired fund fees and expenses, short-sale dividend expenses, other expenses which are capitalized in accordance with generally accepted accounting principles and expenses incurred by the Fund in connection with any merger or reorganization, and may exclude other non-routine expenses not incurred in the ordinary course of the Fund's business. The expense limitation agreement may be changed or eliminated at any time but only with the consent of the Board of Trustees of the Trust. The Trust is authorized to reimburse the Adviser for management fees previously waived and/or for expenses previously paid by the Adviser, provided, however, that any reimbursements must be paid at a date not more than three years after the fiscal year in which the Adviser waived the fees or reimbursed the expenses and the reimbursements do not cause the Fund to exceed the expense limitation that was in place at the time the Adviser waived the fees or reimbursed the expenses.falseRisk/Return Detail Data - Nationwide Ziegler Wisconsin Tax Exempt Fund (USD $)NoRoundingUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.nationwide.com/role/DisclosureRiskReturnDetailDataElementsNationwideZieglerWisconsinTaxExemptFund184 XML 16 R7.htm IDEA: XBRL DOCUMENT v2.4.0.8
Label Element Value
Risk/Return: rr_RiskReturnAbstract  
Registrant Name dei_EntityRegistrantName NATIONWIDE MUTUAL FUNDS
Prospectus Date rr_ProspectusDate Jun. 17, 2013
Nationwide Ziegler Wisconsin Tax Exempt Fund
 
Risk/Return: rr_RiskReturnAbstract  
Risk/Return [Heading] rr_RiskReturnHeading FUND SUMMARY: NATIONWIDE ZIEGLER WISCONSIN TAX EXEMPT FUND
Objective [Heading] rr_ObjectiveHeading Objective
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock The Fund seeks to provide investors with a high level of current income that is exempt from federal income tax and Wisconsin personal income tax.
Expense [Heading] rr_ExpenseHeading Fees and Expenses
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock This table describes the fees and expenses you may pay when buying and holding 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 Nationwide Funds. More information about these and other discounts is available from your financial professional and in “Investing with Nationwide Funds” commencing on page 36 of this Prospectus and in “Additional Information on Purchases and Sales” commencing on page 51 of the Statement of Additional Information.
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 November 30, 2015
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. These costs, which are not reflected in Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. No portfolio turnover rate is disclosed as the Fund has not commenced operations as of the date of this Prospectus.
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 $100,000 in Nationwide Funds.
Expense Breakpoint, Minimum Investment Required [Amount] rr_ExpenseBreakpointMinimumInvestmentRequiredAmount $ 100,000
Other Expenses, New Fund, Based on Estimates [Text] rr_OtherExpensesNewFundBasedOnEstimates “Other Expenses” are based on estimated amounts for the current fiscal year.
Expense Example [Heading] rr_ExpenseExampleHeading Example
Expense Example Narrative [Text Block] rr_ExpenseExampleNarrativeTextBlock This Example is intended to help you to 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 for the time periods indicated and then sell all of your shares at the end of those time periods. It assumes a 5% return each year and no change in expenses. Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, No Redemption, By Year, Caption [Text] rr_ExpenseExampleNoRedemptionByYearCaption You would pay the following expenses on the same investment if you did not sell your shares:
Strategy [Heading] rr_StrategyHeading Principal Investment Strategies
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock Under normal market conditions, the Fund invests at least 80% of its net assets in municipal securities issued by the State of Wisconsin, its municipalities, other political subdivisions and public authorities of Wisconsin and similar obligations of other agencies and entities that pay interest that, in the opinion of bond counsel to the issuer, is exempt from federal income tax and Wisconsin personal income tax (including territories and possessions of the United States and their political subdivisions and political authorities, and certain other governmental issuers) and also from federal and applicable Wisconsin alternative minimum taxes.

Debt obligations issued by or on behalf of a state or territory or its agencies, instrumentalities, municipalities and political subdivisions and certain other governmental issuers, the interest on which is exempt from federal income tax, are referred to as “tax exempt obligations.”

When the subadviser is unable to find a sufficient supply of qualifying tax exempt obligations issued in Wisconsin that the subadviser believes could be good investments for the Fund, the subadviser may invest more than 25% of the Fund’s net assets in debt obligations issued by or on behalf of Puerto Rico, Guam, the U.S. Virgin Islands, American Samoa, the Northern Mariana Islands and their municipalities and other political subdivisions and public authorities, the income from which, in the opinion of bond counsel to the issuer, is exempt from federal income tax and Wisconsin personal income tax. The Fund does not seek to concentrate its investments in any particular industry and generally will not invest more than 25% of its net assets in tax exempt obligations payable from the revenues of any single industry. However, when the subadviser is unable to find a sufficient supply of other appropriate tax exempt obligations, it may invest more than 25% of the Fund’s net assets in bonds payable from the revenues of any of the housing, healthcare or utilities industries.

The Fund invests primarily in tax exempt obligations that are rated investment grade (the four highest rating categories of nationally recognized statistical ratings organizations) at the time of purchase (i.e., at least Baa3/BBB-) or that are unrated but that the subadviser determines, at the time of purchase, are of comparable quality to obligations rated investment grade.

The Fund may invest up to 20% of its net assets in tax exempt obligations that are rated below investment grade (but not rated below B) and in unrated bonds that the subadviser determines, at the time of purchase, to be of comparable quality (these below investment-grade obligations are sometimes referred to as junk bonds or high-yield bonds).

It is possible that, after the Fund purchases a tax exempt obligation that meets its credit quality standards, the obligation may be downgraded or the subadviser may reassess its view of the issuer’s credit quality. The subadviser will consider such an event in determining whether the Fund should continue to hold the obligation, but will not automatically dispose of the obligation solely because it has been downgraded. However, if such a downgrade causes more than 5% of the Fund’s total assets to be invested in tax exempt obligations that do not meet the Fund’s minimum credit standards, then the subadviser may sell some of the lower quality tax exempt obligations so that less than 5% of the Fund’s total assets are invested in such obligations.

In analyzing rated and unrated tax exempt obligations, the subadviser obtains and reviews available information on the creditworthiness of the parties obligated to make principal and interest payments (including any parties who guarantee the borrower’s payment obligations). The subadviser also considers various qualitative factors and trends that affect tax exempt obligations generally. A significant portion of the credit ratings of the tax exempt obligations held by the Fund are enhanced by insurance, although the ability of the insurer to pay principal and interest in the event of a default by the issuer cannot be assured.
Risk [Heading] rr_RiskHeading Principal Risks
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock The Fund cannot guarantee that it will achieve its investment objective.

As with any fund, the value of the Fund’s investments—and therefore, the value of Fund shares—may fluctuate. These changes may occur because of:

Interest rate risk – generally, when interest rates go up, the value of fixed-income securities goes down. Prices of longer-term securities generally change more in response to interest rate changes than prices of shorter-term securities. To the extent a Fund invests a substantial portion of its assets in fixed-income securities with longer-term maturities, rising interest rates are more likely to cause the value of the Fund’s investments to decline significantly.

Credit risk – a bond issuer may be unable to pay the interest or principal when due. If an issuer defaults, the Fund may lose money. This risk is particularly high for high-yield bonds. Changes in a bond issuer’s credit rating or the market’s perception of an issuer’s creditworthiness may also affect the value of a bond.

High-yield bonds risk – investing in high-yield bonds and other lower-rated bonds will subject the Fund to substantial risk of loss due to issuer default, decline in market value due to adverse economic and business developments, or sensitivity to changing interest rates.

Liquidity risk – when there is little or no active trading market for specific types of securities, it can become more difficult to sell the securities at or near their perceived value. In such a market, the value of such securities and the Fund’s share price may fall dramatically.

Prepayment and call risk – certain bonds will be paid off by the issuer more quickly than anticipated. If this happens, the Fund may be required to invest the proceeds in securities with lower yields.

Geographic concentration risk – The Fund normally will invest significant portions of its assets in several specific geographic areas, including Wisconsin and, to a lesser extent, U.S. territories, for example, Puerto Rico, Guam, the U.S. Virgin Islands, American Samoa and the Northern Mariana Islands. Political, legislative, business and economic conditions and developments within these areas will affect the Fund’s performance, because the Fund’s investments primarily will be made in those geographic territories. For example, the Fund may be affected significantly by economic, regulatory or political developments affecting the ability of municipal issuers in these jurisdictions to pay interest or repay principal. Future political and economic developments, constitutional amendments, legislative measures, executive orders, administrative regulation, litigation or voter initiatives could have an adverse effect on the debt obligations of municipal issuers. By concentrating its investments in bonds issued in specific geographic areas, the Fund’s credit risk is more dependent on the ability of the territory or state and its cities and municipalities to make timely payments on their obligations.

Concentration risk – The risk associated with exposure to any one industry or sector. Any economic, business, political and other changes that affect one such revenue bond potentially could affect other revenue bonds in the same industry segment. The resulting industry concentration could increase the Fund’s market risk or credit risk, or both.

Limited supply risk – Only limited categories of tax exempt obligations are exempt from both federal income tax and Wisconsin personal income tax. Because there are limited categories of these double tax exempt bonds, the Fund may not always be able to invest its assets in tax exempt obligations issued in Wisconsin.

Alternative minimum tax risk – The Fund may invest up to 10% of its total assets in municipal securities that generate interest which is subject to alternative minimum tax (“AMT”). As a result, taxpayers who are subject to the AMT potentially could earn a lower after-tax return.

Nondiversified fund risk – The Fund is a “nondiversified” fund under the Investment Company Act of 1940. Compared with other funds, the Fund may invest a greater percentage of its assets in a particular issuer, and thereby have greater exposure to risks associated with an individual issuer.

In addition to these risks, the Fund’s portfolio managers may select securities that underperform the bond market, the Fund’s benchmark or other mutual funds with similar investment objectives and strategies. If the value of the Fund’s investments goes down, you may lose money.
Risk Lose Money [Text] rr_RiskLoseMoney If the value of the Fund’s investments goes down, you may lose money.
Risk Nondiversified Status [Text] rr_RiskNondiversifiedStatus Nondiversified fund risk – The Fund is a “nondiversified” fund under the Investment Company Act of 1940. Compared with other funds, the Fund may invest a greater percentage of its assets in a particular issuer, and thereby have greater exposure to risks associated with an individual issuer.
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading Performance
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock Performance information gives some indication of the risks of an investment in the Fund by comparing the Fund’s performance with a broad measure of market performance. Performance information is not provided because the Fund did not complete one full calendar year of operations as of the date of this Prospectus.
Performance One Year or Less [Text] rr_PerformanceOneYearOrLess Performance information is not provided because the Fund did not complete one full calendar year of operations as of the date of this Prospectus.
Nationwide Ziegler Wisconsin Tax Exempt Fund | Class A Shares
 
Risk/Return: rr_RiskReturnAbstract  
Maximum Sales Charge (Load) imposed on purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice 2.25%
Maximum Deferred Sales Charge (Load) (as a percentage of offering or sale price, whichever is less) rr_MaximumDeferredSalesChargeOverOfferingPrice none
Management Fees rr_ManagementFeesOverAssets 0.50%
Distribution and/or Service (12b-1) Fee rr_DistributionAndService12b1FeesOverAssets 0.25%
Other Expenses rr_OtherExpensesOverAssets 0.46% [1]
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.22%
Amount of Fee Waiver/Expense Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.31%) [2]
Total Annual Fund Operating Expenses After Waivers/Reimbursements rr_NetExpensesOverAssets 0.91%
1 Year rr_ExpenseExampleYear01 316
3 Years rr_ExpenseExampleYear03 574
Nationwide Ziegler Wisconsin Tax Exempt Fund | Class C Shares
 
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) (as a percentage of offering or sale price, whichever is less) rr_MaximumDeferredSalesChargeOverOfferingPrice 1.00%
Management Fees rr_ManagementFeesOverAssets 0.50%
Distribution and/or Service (12b-1) Fee rr_DistributionAndService12b1FeesOverAssets 0.75%
Other Expenses rr_OtherExpensesOverAssets 0.21% [1]
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.47%
Amount of Fee Waiver/Expense Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.11%) [2]
Total Annual Fund Operating Expenses After Waivers/Reimbursements rr_NetExpensesOverAssets 1.36%
1 Year rr_ExpenseExampleYear01 238
3 Years rr_ExpenseExampleYear03 454
1 Year rr_ExpenseExampleNoRedemptionYear01 138
3 Years rr_ExpenseExampleNoRedemptionYear03 454
Nationwide Ziegler Wisconsin Tax Exempt Fund | Institutional Class Shares
 
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) (as a percentage of offering or sale price, whichever is less) rr_MaximumDeferredSalesChargeOverOfferingPrice none
Management Fees rr_ManagementFeesOverAssets 0.50%
Distribution and/or Service (12b-1) Fee rr_DistributionAndService12b1FeesOverAssets none
Other Expenses rr_OtherExpensesOverAssets 0.21% [1]
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 0.72%
Amount of Fee Waiver/Expense Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.11%) [2]
Total Annual Fund Operating Expenses After Waivers/Reimbursements rr_NetExpensesOverAssets 0.61%
1 Year rr_ExpenseExampleYear01 62
3 Years rr_ExpenseExampleYear03 219
Nationwide Ziegler Wisconsin Tax Exempt Fund | Institutional Service Class Shares
 
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) (as a percentage of offering or sale price, whichever is less) rr_MaximumDeferredSalesChargeOverOfferingPrice none
Management Fees rr_ManagementFeesOverAssets 0.50%
Distribution and/or Service (12b-1) Fee rr_DistributionAndService12b1FeesOverAssets none
Other Expenses rr_OtherExpensesOverAssets 0.46% [1]
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 0.97%
Amount of Fee Waiver/Expense Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.31%) [2]
Total Annual Fund Operating Expenses After Waivers/Reimbursements rr_NetExpensesOverAssets 0.66%
1 Year rr_ExpenseExampleYear01 67
3 Years rr_ExpenseExampleYear03 $ 278
[1] "Other Expenses" are based on estimated amounts for the current fiscal year.
[2] Nationwide Mutual Funds (the "Trust") and Nationwide Fund Advisors (the "Adviser") have entered into a written contract limiting operating expenses to 0.90% for Class A shares, 1.35% for Class C shares, 0.60% for Institutional Class shares, and 0.65% for Institutional Service Class shares until at least November 30, 2015. Under the expense limitation agreement, the level to which operating expenses are limited excludes any taxes, interest, brokerage commissions, acquired fund fees and expenses, short-sale dividend expenses, other expenses which are capitalized in accordance with generally accepted accounting principles and expenses incurred by the Fund in connection with any merger or reorganization, and may exclude other non-routine expenses not incurred in the ordinary course of the Fund's business. The expense limitation agreement may be changed or eliminated at any time but only with the consent of the Board of Trustees of the Trust. The Trust is authorized to reimburse the Adviser for management fees previously waived and/or for expenses previously paid by the Adviser, provided, however, that any reimbursements must be paid at a date not more than three years after the fiscal year in which the Adviser waived the fees or reimbursed the expenses and the reimbursements do not cause the Fund to exceed the expense limitation that was in place at the time the Adviser waived the fees or reimbursed the expenses.
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Document and Entity Information
12 Months Ended
Jun. 17, 2013
Risk/Return:  
Document Type Other
Document Period End Date Jun. 27, 2013
Registrant Name NATIONWIDE MUTUAL FUNDS
Central Index Key 0001048702
Amendment Flag false
Document Creation Date Jun. 27, 2013
Document Effective Date Jun. 27, 2013
Prospectus Date Jun. 17, 2013

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