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  <dei:EntityRegistrantName contextRef="Duration_01Feb2012_31Jan2013">John Hancock Funds II</dei:EntityRegistrantName>
  <dei:EntityCentralIndexKey contextRef="Duration_01Feb2012_31Jan2013">0001331971</dei:EntityCentralIndexKey>
  <dei:AmendmentFlag contextRef="Duration_01Feb2012_31Jan2013">false</dei:AmendmentFlag>
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  <rr:RiskReturnHeading contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">JOHN HANCOCK&lt;br/&gt;INTERNATIONAL GROWTH EQUITY FUND</rr:RiskReturnHeading>
  <rr:ObjectiveHeading contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">Investment objective</rr:ObjectiveHeading>
  <rr:ObjectivePrimaryTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">To seek long-term capital appreciation.</rr:ObjectivePrimaryTextBlock>
  <rr:ExpenseHeading contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">Fees and expenses</rr:ExpenseHeading>
  <rr:ExpenseNarrativeTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">This table describes the fees and expenses you may pay if you buy and hold shares of the fund. You may qualify for sales charge discounts on Class A shares if you and your family invest, or agree to invest in the future, at least $50,000 in the John Hancock family of funds. More information about these and other discounts is available on pages 12-13 of the prospectus under &amp;#8220;Sales charge reductions and waivers&amp;#8221; or pages 70-72 of the fund&amp;#8217;s statement of additional information under &amp;#8220;Initial Sales Charge on Class A Shares.&amp;#8221;</rr:ExpenseNarrativeTextBlock>
  <rr:ShareholderFeesCaption contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">&lt;b&gt; Shareholder fees &lt;/b&gt;(%) (fees paid directly from your investment)</rr:ShareholderFeesCaption>
  <rr:OperatingExpensesCaption contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">&lt;b&gt; Annual fund operating expenses &lt;/b&gt;(%)&lt;br/&gt;(expenses that you pay each year as a percentage of the value of your investment)</rr:OperatingExpensesCaption>
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  <rr:OtherExpensesOverAssets id="Item_5" decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119147_MemberProspectusClassaShares_Member" unitRef="pure">0.0104</rr:OtherExpensesOverAssets>
  <rr:ExpensesOverAssets id="Item_6" decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119147_MemberProspectusClassaShares_Member" unitRef="pure">0.0219</rr:ExpensesOverAssets>
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  <rr:ExpenseExampleHeading contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">Expense example</rr:ExpenseExampleHeading>
  <rr:ExpenseExampleNarrativeTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">This example is intended to help you compare the cost of investing in the fund with the cost of investing in other mutual funds. Please see below a hypothetical example showing the expenses of a $10,000 investment in the fund for the time periods indicated (Kept column) and then assuming a redemption of all of your shares at the end of those periods (Sold column). The example assumes a 5% average annual return. The example assumes fund expenses will not change over the periods. Although your actual costs may be higher or lower, based on these assumptions, your costs would be:</rr:ExpenseExampleNarrativeTextBlock>
  <rr:ExpenseExampleByYearHeading contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">&lt;b&gt; Expenses &lt;/b&gt;($)</rr:ExpenseExampleByYearHeading>
  <rr:RiskReturnHeading contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">JOHN HANCOCK&lt;br/&gt;INTERNATIONAL GROWTH EQUITY FUND</rr:RiskReturnHeading>
  <rr:ObjectiveHeading contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">Investment objective</rr:ObjectiveHeading>
  <rr:ObjectivePrimaryTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">To seek long-term capital appreciation.</rr:ObjectivePrimaryTextBlock>
  <rr:ExpenseExampleByYearCaption contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">&lt;b&gt;Sold&lt;/b&gt;</rr:ExpenseExampleByYearCaption>
  <rr:ExpenseHeading contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">Fees and expenses</rr:ExpenseHeading>
  <rr:ExpenseExampleNoRedemptionByYearCaption contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">&lt;b&gt;Kept&lt;/b&gt;</rr:ExpenseExampleNoRedemptionByYearCaption>
  <rr:ExpenseNarrativeTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">This table describes the fees and expenses you may pay if you buy and hold shares of the fund.</rr:ExpenseNarrativeTextBlock>
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  <rr:ShareholderFeesCaption contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">&lt;b&gt; Shareholder fees&lt;/b&gt; (%) (fees paid directly from your investment)</rr:ShareholderFeesCaption>
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  <rr:ExpenseExampleNoRedemptionYear05 decimals="INF" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119147_MemberProspectusClassaShares_Member" unitRef="USD">1465</rr:ExpenseExampleNoRedemptionYear05>
  <rr:ExpenseExampleNoRedemptionYear10 decimals="INF" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119147_MemberProspectusClassaShares_Member" unitRef="USD">2768</rr:ExpenseExampleNoRedemptionYear10>
  <rr:PortfolioTurnoverHeading contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">Portfolio turnover</rr:PortfolioTurnoverHeading>
  <rr:PortfolioTurnoverTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">The fund pays transaction costs, such as commissions, when it buys and sells securities (or &amp;#8220;turns over&amp;#8221; its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the fund&amp;#8217;s performance. During the most recent fiscal year of the predecessor  to the fund, the Turner International Growth Fund, a series of Turner Funds (the predecessor fund), the fund&amp;#8217;s portfolio turnover rate was 138% of the average value of its portfolio.</rr:PortfolioTurnoverTextBlock>
  <rr:StrategyHeading contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">Principal investment strategies</rr:StrategyHeading>
  <rr:StrategyNarrativeTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">Under normal market conditions, the fund invests at least 80% of its net assets (plus any borrowings for investment purposes) in equity securities of international non-U.S. companies with market capitalizations at the time of purchase greater than $2 billion that the subadviser believes have strong earnings growth potential. The fund may continue to hold securities of companies whose market capitalization was within such range at the time of purchase but whose current market capitalization may be outside of that range. The fund invests in securities of companies that are diversified across economic sectors, and attempts to maintain sector concentrations that approximate those of the MSCI World Growth ex-U.S. Index (World Growth ex-U.S. Index). Portfolio exposure is generally limited to 5% of assets in any single issuer, subject to exceptions for the most heavily weighted securities in the World Growth ex-U.S. Index. The fund will generally invest in securities of issuers based in the countries represented in the World Growth ex-U.S. Index, which includes both developed and emerging markets issuers. In addition, the fund may invest in initial public offerings (IPOs).&lt;br/&gt;&lt;br/&gt;The subadviser pursues a bottom-up strategy that blends quantitative and qualitative analysis to find growth companies with superior earnings prospects, reasonable valuations and favorable trading-volume and price patterns. A stock becomes a sell candidate if the subadviser detects deterioration in the company&amp;#8217;s earnings growth potential. The subadviser may also trim positions to adhere to capitalization or capacity constraints, or to adjust stock position size relative to the World Growth ex-U.S. Index.&lt;br/&gt;&lt;br/&gt;The fund may buy and sell securities frequently as part of its investment strategy.</rr:StrategyNarrativeTextBlock>
  <rr:RiskHeading contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">Principal risks</rr:RiskHeading>
  <rr:RiskNarrativeTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">An investment in the fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. The fund&amp;#8217;s shares will go up and down in price, meaning that you could lose money by investing in the fund. Many factors influence a mutual fund&amp;#8217;s performance.&lt;br /&gt;&lt;br /&gt;Instability in the financial markets has led many governments, including the United States government, to take a number of unprecedented actions designed to support certain financial institutions and segments of the financial markets that have experienced extreme volatility and, in some cases, a lack of liquidity. Federal, state and other governments, and their regulatory agencies or self-regulatory organizations, may take actions that affect the regulation of the instruments in which the fund invests, or the issuers of such instruments, in ways that are unforeseeable. Legislation or regulation may also change the way in which the fund itself is regulated. Such legislation or regulation could limit or preclude the fund&amp;#8217;s ability to achieve its investment objective.&lt;br /&gt;&lt;br /&gt;Governments or their agencies may also acquire distressed assets from financial institutions and acquire ownership interests in those institutions. The implications of government ownership and disposition of these assets are unclear, and such a program may have positive or negative effects on the liquidity, valuation and performance of the fund&amp;#8217;s portfolio holdings. Furthermore, volatile financial markets can expose the fund to greater market and liquidity risk and potential difficulty in valuing portfolio instruments held by the fund.&lt;br /&gt;&lt;br /&gt;The fund&amp;#8217;s main risk factors are listed below in alphabetical order. Before investing, be sure to read the additional descriptions of these risks beginning on page 6 of the prospectus.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Active management risk &lt;/b&gt;The subadviser&amp;#8217;s investment strategy may fail to produce the intended result.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Currency risk &lt;/b&gt;Fluctuations in exchange rates may adversely affect the U.S. dollar value of a fund&amp;#8217;s investments. Currency risk includes both the risk that currencies in which a fund&amp;#8217;s investments are traded, or currencies in which a fund has taken an active position, will decline in value relative to the U.S. dollar.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Emerging markets risk &lt;/b&gt;The risks of investing in foreign securities are greater for investments in emerging markets. Emerging market countries may experience higher inflation, interest rates and unemployment as well as greater social, economic, regulatory and political uncertainties than more developed countries.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Equity securities risk &lt;/b&gt; The value of a company&amp;#8217;s equity securities is subject to changes in the company&amp;#8217;s financial condition, and overall market and economic conditions. The securities of growth companies are subject to greater price fluctuations than other types of stocks because their market prices tend to place greater emphasis on future earnings expectations.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Foreign securities risk &lt;/b&gt; As compared to U.S. companies, there may be less publicly available information relating to foreign companies. Foreign securities may be subject to foreign taxes. The value of foreign securities is subject to currency fluctuations and adverse political and economic developments. Investments in emerging-market countries are subject to greater levels of foreign investment risk.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;High portfolio turnover risk &lt;/b&gt; Actively trading securities can increase transaction costs (thus lowering performance) and taxable distributions.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Initial public offerings risk &lt;/b&gt; IPO shares may have a magnified impact on fund performance and are frequently volatile in price. They can be held for a short period of time causing an increase in portfolio turnover.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Issuer risk &lt;/b&gt; An issuer of a security may perform poorly and, therefore, the value of its stocks and bonds may decline. An issuer of securities held by the fund could default or have its credit rating downgraded.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Liquidity risk &lt;/b&gt; Exposure exists when trading volume, lack of a market maker or legal restrictions impair the ability to sell particular securities or close derivative positions at an advantageous price.</rr:RiskNarrativeTextBlock>
  <rr:BarChartAndPerformanceTableHeading contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">Past performance</rr:BarChartAndPerformanceTableHeading>
  <rr:PerformanceNarrativeTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">The following performance information in the bar chart and table below illustrates the variability of the fund&amp;#8217;s returns and provides some indication of the risks of investing in the fund by showing changes in the fund&amp;#8217;s performance from year to year. However, past performance (before and after  taxes) does not indicate future results. All figures assume dividend reinvestment. Performance for the fund is updated daily, monthly and quarterly and may be obtained at our Web site: www.jhfunds.com/FundPerformance, or by calling 1-800-225-5291, Monday&amp;#8211;Thursday between 8:00 A.M. and 7:00 P.M. and on Fridays between 8:00 A.M. and 6:00 P.M., Eastern Time.&lt;br/&gt;&lt;br/&gt;&lt;b&gt;Calendar year total returns &lt;/b&gt; These do not include sales charges and would have been lower if they did. Calendar year total returns are shown only for Class A shares and would be different for other share classes.&lt;br/&gt;&lt;br/&gt;&lt;b&gt;Average annual total returns &lt;/b&gt; Performance of a broad-based market index is included for comparison.&lt;br/&gt;&lt;br/&gt;&lt;b&gt;After-tax returns &lt;/b&gt; These are shown only for Class A shares and would be different for other classes. They reflect the highest individual federal marginal income tax rates in effect as of the date provided and do not reflect any state or local taxes. Your actual after-tax returns may be different. After-tax returns are not relevant to shares held in an IRA, 401(k) or other tax-advantaged investment plan.&lt;br/&gt;&lt;br/&gt;The fund is the successor to the Turner International Growth Fund (the predecessor fund). The performance information shown below is the historical performance of the predecessor fund&amp;#8217;s Investor class shares, which commenced operations on October 31, 2008. Periods prior to October 31, 2008 represent the performance of the predecessor fund&amp;#8217;s Institutional class shares, which commenced operations on January 31, 2007. Performance for all periods shown has been recalculated to reflect the gross fees and expenses and sales charges of the fund&amp;#8217;s Class A shares, which were first offered on January 14, 2013.</rr:PerformanceNarrativeTextBlock>
  <rr:RiskReturnHeading contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">JOHN HANCOCK&lt;br/&gt;INTERNATIONAL GROWTH EQUITY FUND</rr:RiskReturnHeading>
  <rr:ObjectiveHeading contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">Investment objective</rr:ObjectiveHeading>
  <rr:ObjectivePrimaryTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">To seek long-term capital appreciation.</rr:ObjectivePrimaryTextBlock>
  <rr:ExpenseHeading contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">Fees and expenses</rr:ExpenseHeading>
  <rr:ExpenseNarrativeTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">This table describes the fees and expenses you may pay if you buy and hold shares of the fund.</rr:ExpenseNarrativeTextBlock>
  <rr:ShareholderFeesCaption contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">&lt;b&gt; Shareholder fees &lt;/b&gt;(%) (fees paid directly from your investment)</rr:ShareholderFeesCaption>
  <rr:BarChartHeading contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">&lt;b&gt;Calendar year total returns &amp;#8212; Class A &lt;/b&gt;(%)</rr:BarChartHeading>
  <rr:MaximumCumulativeSalesChargeOverOther decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119148_MemberProspectusClassIShares_Member" unitRef="pure">0</rr:MaximumCumulativeSalesChargeOverOther>
  <rr:MaximumDeferredSalesChargeOverOther decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119148_MemberProspectusClassIShares_Member" unitRef="pure">0</rr:MaximumDeferredSalesChargeOverOther>
  <rr:AnnualReturn2008 decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119147_MemberProspectusClassaShares_Member" unitRef="pure">-0.525</rr:AnnualReturn2008>
  <rr:AnnualReturn2009 decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119147_MemberProspectusClassaShares_Member" unitRef="pure">0.4525</rr:AnnualReturn2009>
  <rr:AnnualReturn2010 decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119147_MemberProspectusClassaShares_Member" unitRef="pure">0.2511</rr:AnnualReturn2010>
  <rr:AnnualReturn2011 decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119147_MemberProspectusClassaShares_Member" unitRef="pure">-0.1106</rr:AnnualReturn2011>
  <rr:AnnualReturn2012 decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119147_MemberProspectusClassaShares_Member" unitRef="pure">0.1251</rr:AnnualReturn2012>
  <rr:ManagementFeesOverAssets id="Item_8" decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119148_MemberProspectusClassIShares_Member" unitRef="pure">0.0085</rr:ManagementFeesOverAssets>
  <rr:OtherExpensesOverAssets id="Item_9" decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119148_MemberProspectusClassIShares_Member" unitRef="pure">0.0084</rr:OtherExpensesOverAssets>
  <rr:ExpensesOverAssets id="Item_10" decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119148_MemberProspectusClassIShares_Member" unitRef="pure">0.0169</rr:ExpensesOverAssets>
  <rr:NetExpensesOverAssets id="Item_11" decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119148_MemberProspectusClassIShares_Member" unitRef="pure">0.011</rr:NetExpensesOverAssets>
  <rr:BarChartClosingTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">&lt;b&gt;Best quarter:&lt;/b&gt; Q2 &amp;#8217;09, 25.86%&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Worst quarter: &lt;/b&gt;Q3 &amp;#8217;08, -27.29%</rr:BarChartClosingTextBlock>
  <rr:PerformanceTableHeading contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">&lt;b&gt; Average annual total returns &lt;/b&gt;(%)&lt;br/&gt;&lt;b&gt;as of 12-31-12&lt;/b&gt;</rr:PerformanceTableHeading>
  <rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">January 31, 2015</rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119147_MemberProspectusClassaShares_MemberBeforeTax_Member" unitRef="pure">0.0689</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_01Feb2012_31Jan2013AfterTaxesOnDistributions_MemberS000038640_MemberC000119147_MemberProspectusClassaShares_Member" unitRef="pure">0.0689</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_01Feb2012_31Jan2013AfterTaxesOnDistributionsAndSales_MemberS000038640_MemberC000119147_MemberProspectusClassaShares_Member" unitRef="pure">0.0448</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberMsciWorldGrowthExUsIndex_MemberProspectusClassaShares_Member" unitRef="pure">0.1591</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnSinceInception decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119147_MemberProspectusClassaShares_MemberBeforeTax_Member" unitRef="pure">0.0067</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnSinceInception decimals="4" contextRef="Duration_01Feb2012_31Jan2013AfterTaxesOnDistributions_MemberS000038640_MemberC000119147_MemberProspectusClassaShares_Member" unitRef="pure">0.0037</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnSinceInception decimals="4" contextRef="Duration_01Feb2012_31Jan2013AfterTaxesOnDistributionsAndSales_MemberS000038640_MemberC000119147_MemberProspectusClassaShares_Member" unitRef="pure">0.0038</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnSinceInception decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberMsciWorldGrowthExUsIndex_MemberProspectusClassaShares_Member" unitRef="pure">0.003</rr:AverageAnnualReturnSinceInception>
  <rr:ExpenseExampleHeading contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">Expense example</rr:ExpenseExampleHeading>
  <rr:OperatingExpensesCaption contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">&lt;b&gt; Annual fund operating expenses &lt;/b&gt;(%)&lt;br/&gt;(expenses that you pay each year as a percentage of the value of your investment)</rr:OperatingExpensesCaption>
  <rr:ExpenseExampleNarrativeTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">This example is intended to help you compare the cost of investing in the fund with the cost of investing in other mutual funds. Please see below a hypothetical example showing the expenses of a $10,000 investment at the end of the various time frames indicated. The example assumes a 5% average annual return. The example assumes fund expenses will not change over the periods. Although your actual costs may be higher or lower, based on these assumptions, your costs would be:</rr:ExpenseExampleNarrativeTextBlock>
  <rr:ExpenseExampleByYearHeading contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">&lt;b&gt; Expenses &lt;/b&gt;($)</rr:ExpenseExampleByYearHeading>
  <rr:ExpenseExampleYear01 decimals="INF" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119148_MemberProspectusClassIShares_Member" unitRef="USD">112</rr:ExpenseExampleYear01>
  <rr:ExpenseExampleYear03 decimals="INF" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119148_MemberProspectusClassIShares_Member" unitRef="USD">414</rr:ExpenseExampleYear03>
  <rr:ExpenseExampleYear05 decimals="INF" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119148_MemberProspectusClassIShares_Member" unitRef="USD">804</rr:ExpenseExampleYear05>
  <rr:ExpenseExampleYear10 decimals="INF" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119148_MemberProspectusClassIShares_Member" unitRef="USD">1896</rr:ExpenseExampleYear10>
  <rr:PortfolioTurnoverHeading contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">Portfolio turnover</rr:PortfolioTurnoverHeading>
  <rr:PortfolioTurnoverTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">The fund pays transaction costs, such as commissions, when it buys and sells securities (or &amp;#8220;turns over&amp;#8221; its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the fund&amp;#8217;s performance. During the most recent fiscal year of the predecessor to the fund, the Turner International Growth Fund, a series of Turner Funds (the predecessor fund), the fund&amp;#8217;s portfolio turnover rate was 138% of the average value of its portfolio.</rr:PortfolioTurnoverTextBlock>
  <rr:PortfolioTurnoverRate decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member" unitRef="pure">1.38</rr:PortfolioTurnoverRate>
  <rr:StrategyHeading contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">Principal investment strategies</rr:StrategyHeading>
  <rr:StrategyNarrativeTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">Under normal market conditions, the fund invests at least 80% of its net assets (plus any borrowings for investment purposes) in equity securities of international non-U.S. companies with market capitalizations at the time of purchase greater than $2 billion that the subadviser believes have strong earnings growth potential. The fund may continue to hold securities of companies whose market capitalization was within such range at the time of purchase but whose current market capitalization may be outside of that range. The fund invests in securities of companies that are diversified across economic sectors, and attempts to maintain sector concentrations that approximate those of the MSCI World Growth ex-U.S. Index (World Growth ex-U.S. Index). Portfolio exposure is generally limited to 5% of assets in any single issuer, subject to exceptions for the most heavily weighted  securities in the World Growth ex-U.S. Index. The fund will generally invest in securities of issuers based in the countries represented in the World Growth ex-U.S. Index, which includes both developed and emerging markets issuers. In addition, the fund may invest in initial public offerings (IPOs).&lt;br/&gt;&lt;br/&gt;The subadviser pursues a bottom-up strategy that blends quantitative and qualitative analysis to find growth companies with superior earnings prospects, reasonable valuations and favorable trading-volume and price patterns. A stock becomes a sell candidate if the subadviser detects deterioration in the company&amp;#8217;s earnings growth potential. The subadviser may also trim positions to adhere to capitalization or capacity constraints, or to adjust stock position size relative to the World Growth ex-U.S. Index.&lt;br/&gt;&lt;br/&gt;The fund may buy and sell securities frequently as part of its investment strategy.</rr:StrategyNarrativeTextBlock>
  <rr:RiskHeading contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">Principal risks</rr:RiskHeading>
  <rr:RiskNarrativeTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">An investment in the fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. The fund&amp;#8217;s shares will go up and down in price, meaning that you could lose money by investing in the fund. Many factors influence a mutual fund&amp;#8217;s performance.  &lt;br /&gt;&lt;br /&gt;Instability in the financial markets has led many governments, including the United States government, to take a number of unprecedented actions designed to support certain financial institutions and segments of the financial markets that have experienced extreme volatility and, in some cases, a lack of liquidity. Federal, state and other governments, and their regulatory agencies or self-regulatory organizations, may take actions that affect the regulation of the instruments in which the fund invests, or the issuers of such instruments, in ways that are unforeseeable. Legislation or regulation may also change the way in which the fund itself is regulated. Such legislation or regulation could limit or preclude the fund&amp;#8217;s ability to achieve its investment objective.  &lt;br /&gt;&lt;br /&gt;Governments or their agencies may also acquire distressed assets from financial institutions and acquire ownership interests in those institutions. The implications of government ownership and disposition of these assets are unclear, and such a program may have positive or negative effects on the liquidity, valuation and performance of the fund&amp;#8217;s portfolio holdings. Furthermore, volatile financial markets can expose the fund to greater market and liquidity risk and potential difficulty in valuing portfolio instruments held by the fund.  &lt;br /&gt;&lt;br /&gt;The fund&amp;#8217;s main risk factors are listed below in alphabetical order. Before investing, be sure to read the additional descriptions of these risks beginning on page 5 of the prospectus.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Active management risk &lt;/b&gt;The subadviser&amp;#8217;s investment strategy may fail to produce the intended result.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Currency risk &lt;/b&gt;Fluctuations in exchange rates may adversely affect the U.S. dollar value of a fund&amp;#8217;s investments. Currency risk includes both the risk that currencies in which a fund&amp;#8217;s investments are traded, or currencies in which a fund has taken an active position, will decline in value relative to the U.S. dollar.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Emerging markets risk &lt;/b&gt;The risks of investing in foreign securities are greater for investments in emerging markets. Emerging market countries may experience higher inflation, interest rates and unemployment as well as greater social, economic, regulatory and political uncertainties than more developed countries.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Equity securities risk &lt;/b&gt;The value of a company&amp;#8217;s equity securities is subject to changes in the company&amp;#8217;s financial condition, and overall market and economic conditions. The securities of growth companies are subject to greater price fluctuations than other types of stocks because their market prices tend to place greater emphasis on future earnings expectations.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Foreign securities risk &lt;/b&gt;As compared to U.S. companies, there may be less publicly available information relating to foreign companies. Foreign securities may be subject to foreign taxes. The value of foreign securities is subject to currency fluctuations and adverse political and economic developments. Investments in emerging-market countries are subject to greater levels of foreign investment risk.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;High portfolio turnover risk &lt;/b&gt;Actively trading securities can increase transaction costs (thus lowering performance) and taxable distributions.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Initial public offerings risk &lt;/b&gt;IPO shares may have a magnified impact on fund performance and are frequently volatile in price. They can be held for a short period of time causing an increase in portfolio turnover.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Issuer risk &lt;/b&gt;An issuer of a security may perform poorly and, therefore, the value of its stocks and bonds may decline. An issuer of securities held by the fund could default or have its credit rating downgraded.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Liquidity risk &lt;/b&gt;Exposure exists when trading volume, lack of a market maker or legal restrictions impair the ability to sell particular securities or close derivative positions at an advantageous price.</rr:RiskNarrativeTextBlock>
  <rr:ShareholderFeesTableTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">&lt;div style="display:none"&gt;~ http://www.jhfunds.com/role/ScheduleShareholderFeesInternationalGrowthEquityFundClassI column period compact * ~&lt;/div&gt;

</rr:ShareholderFeesTableTextBlock>
  <rr:RiskLoseMoney contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">The fund&amp;#8217;s shares will go up and down in price, meaning that you could lose money by investing in the fund.</rr:RiskLoseMoney>
  <rr:RiskNotInsuredDepositoryInstitution contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">An investment in the fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.</rr:RiskNotInsuredDepositoryInstitution>
  <rr:ExpenseBreakpointDiscounts contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">You may qualify for sales charge discounts on Class A shares if you and your family invest, or agree to invest in the future, at least $50,000 in the John Hancock family of funds. More information about these and other discounts is available on pages 12-13 of the prospectus under &amp;#8220;Sales charge reductions and waivers&amp;#8221; or pages 70-72 of the fund&amp;#8217;s statement of additional information under &amp;#8220;Initial Sales Charge on Class A Shares.&amp;#8221;</rr:ExpenseBreakpointDiscounts>
  <rr:BarChartAndPerformanceTableHeading contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">Past performance</rr:BarChartAndPerformanceTableHeading>
  <rr:ExpenseBreakpointMinimumInvestmentRequiredAmount decimals="INF" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member" unitRef="USD">50000</rr:ExpenseBreakpointMinimumInvestmentRequiredAmount>
  <rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">January 31, 2015</rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination>
  <rr:PortfolioTurnoverRate decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member" unitRef="pure">1.38</rr:PortfolioTurnoverRate>
  <rr:RiskNotInsuredDepositoryInstitution contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">An investment in the fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.</rr:RiskNotInsuredDepositoryInstitution>
  <rr:RiskLoseMoney contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">The fund&amp;#8217;s shares will go up and down in price, meaning that you could lose money by investing in the fund.</rr:RiskLoseMoney>
  <rr:PerformanceNarrativeTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">The following performance information in the bar chart and table below illustrates the variability of the fund&amp;#8217;s returns and provides some indication of the risks of investing in the fund by showing changes in the fund&amp;#8217;s performance from year to year. However, past performance (before and after taxes) does not indicate future results. All figures assume dividend reinvestment. Performance for the fund is updated daily, monthly and quarterly and may be obtained at our Web site: www.jhfunds.com/InstitutionalPerformance, or by calling 1-888-972-8696 between 8:30 A.M. and 5:00 P.M., Eastern Time, on most business days.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Average annual total returns &lt;/b&gt;Performance of a broad-based market index is included for comparison.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;After-tax returns &lt;/b&gt;They reflect the highest individual federal marginal income tax rates in effect as of the date provided and do not reflect any state or local taxes. Your actual after-tax returns may be different. After-tax returns are not relevant to shares held in an IRA, 401(k) or other tax-advantaged investment plan.  &lt;br /&gt;&lt;br /&gt;The fund is the successor to the Turner International Growth Fund (the predecessor fund). The performance information shown below is the historical performance of the predecessor fund&amp;#8217;s Institutional Class shares.</rr:PerformanceNarrativeTextBlock>
  <rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">The following performance information in the bar chart and table below illustrates the variability of the fund&amp;#8217;s returns and provides some indication of the risks of investing in the fund by showing changes in the fund&amp;#8217;s performance from year to year.</rr:PerformanceInformationIllustratesVariabilityOfReturns>
  <rr:MaximumCumulativeSalesChargeOverOther decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119149_MemberProspectusClassNavShares_Member" unitRef="pure">0</rr:MaximumCumulativeSalesChargeOverOther>
  <rr:MaximumDeferredSalesChargeOverOther decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119149_MemberProspectusClassNavShares_Member" unitRef="pure">0</rr:MaximumDeferredSalesChargeOverOther>
  <rr:HighestQuarterlyReturnLabel contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119147_MemberProspectusClassaShares_Member">&lt;b&gt;Best quarter:&lt;/b&gt;</rr:HighestQuarterlyReturnLabel>
  <rr:BarChartHighestQuarterlyReturnDate contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119147_MemberProspectusClassaShares_Member">2009-06-30</rr:BarChartHighestQuarterlyReturnDate>
  <rr:BarChartHighestQuarterlyReturn decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119147_MemberProspectusClassaShares_Member" unitRef="pure">0.2586</rr:BarChartHighestQuarterlyReturn>
  <rr:LowestQuarterlyReturnLabel contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119147_MemberProspectusClassaShares_Member">&lt;b&gt;Worst quarter:&lt;/b&gt;</rr:LowestQuarterlyReturnLabel>
  <rr:BarChartLowestQuarterlyReturnDate contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119147_MemberProspectusClassaShares_Member">2008-09-30</rr:BarChartLowestQuarterlyReturnDate>
  <rr:BarChartLowestQuarterlyReturn decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119147_MemberProspectusClassaShares_Member" unitRef="pure">-0.2729</rr:BarChartLowestQuarterlyReturn>
  <rr:PerformanceAdditionalMarketIndex contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">&lt;b&gt;Average annual total returns &lt;/b&gt;Performance of a broad-based market index is included for comparison.</rr:PerformanceAdditionalMarketIndex>
  <rr:OperatingExpensesCaption contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">&lt;b&gt; Annual fund operating expenses &lt;/b&gt;(%)&lt;br/&gt;(expenses that you pay each year as a percentage of the value of your investment)</rr:OperatingExpensesCaption>
  <rr:PerformanceAvailabilityPhone contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">1-888-972-8696</rr:PerformanceAvailabilityPhone>
  <rr:ManagementFeesOverAssets id="Item_12" decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119149_MemberProspectusClassNavShares_Member" unitRef="pure">0.0085</rr:ManagementFeesOverAssets>
  <rr:OtherExpensesOverAssets id="Item_13" decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119149_MemberProspectusClassNavShares_Member" unitRef="pure">0.0051</rr:OtherExpensesOverAssets>
  <rr:PerformanceAvailabilityWebSiteAddress contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">www.jhfunds.com/InstitutionalPerformance</rr:PerformanceAvailabilityWebSiteAddress>
  <rr:ExpensesOverAssets id="Item_14" decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119149_MemberProspectusClassNavShares_Member" unitRef="pure">0.0136</rr:ExpensesOverAssets>
  <rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">The following performance information in the bar chart and table below illustrates the variability of the fund&amp;#8217;s returns and provides some indication of the risks of investing in the fund by showing changes in the fund&amp;#8217;s performance from year to year.</rr:PerformanceInformationIllustratesVariabilityOfReturns>
  <rr:PerformancePastDoesNotIndicateFuture contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">However, past performance (before and after taxes) does not indicate future results.</rr:PerformancePastDoesNotIndicateFuture>
  <rr:PerformancePastDoesNotIndicateFuture contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">However, past performance (before and after  taxes) does not indicate future results.</rr:PerformancePastDoesNotIndicateFuture>
  <rr:PerformanceAdditionalMarketIndex contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">&lt;b&gt;Average annual total returns &lt;/b&gt; Performance of a broad-based market index is included for comparison.</rr:PerformanceAdditionalMarketIndex>
  <rr:PerformanceAvailabilityPhone contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">1-800-225-5291</rr:PerformanceAvailabilityPhone>
  <rr:PerformanceAvailabilityWebSiteAddress contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">www.jhfunds.com/FundPerformance</rr:PerformanceAvailabilityWebSiteAddress>
  <rr:BarChartHeading contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">&lt;b&gt;Calendar year total returns &amp;#8212; Class I&lt;/b&gt; (%)</rr:BarChartHeading>
  <rr:ExpenseExampleHeading contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">Expense example</rr:ExpenseExampleHeading>
  <rr:ExpenseExampleNarrativeTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">This example is intended to help you compare the cost of investing in the fund with the cost of investing in other mutual funds. Please see below a hypothetical example showing the expenses of a $10,000 investment at the end of the various time frames indicated. The example assumes a 5% average annual return. The example assumes fund expenses will not change over the periods. Although your actual costs may be higher or lower, based on these assumptions, your costs would be:</rr:ExpenseExampleNarrativeTextBlock>
  <rr:BarChartDoesNotReflectSalesLoads contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">&lt;b&gt;Calendar year total returns &lt;/b&gt; These do not include sales charges and would have been lower if they did.</rr:BarChartDoesNotReflectSalesLoads>
  <rr:ExpenseExampleYear01 decimals="INF" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119149_MemberProspectusClassNavShares_Member" unitRef="USD">138</rr:ExpenseExampleYear01>
  <rr:ExpenseExampleYear03 decimals="INF" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119149_MemberProspectusClassNavShares_Member" unitRef="USD">431</rr:ExpenseExampleYear03>
  <rr:ExpenseExampleYear05 decimals="INF" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119149_MemberProspectusClassNavShares_Member" unitRef="USD">745</rr:ExpenseExampleYear05>
  <rr:ExpenseExampleYear10 decimals="INF" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119149_MemberProspectusClassNavShares_Member" unitRef="USD">1635</rr:ExpenseExampleYear10>
  <rr:AnnualReturn2008 decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119148_MemberProspectusClassIShares_Member" unitRef="pure">-0.5184</rr:AnnualReturn2008>
  <rr:AnnualReturn2009 decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119148_MemberProspectusClassIShares_Member" unitRef="pure">0.4723</rr:AnnualReturn2009>
  <rr:AnnualReturn2010 decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119148_MemberProspectusClassIShares_Member" unitRef="pure">0.2684</rr:AnnualReturn2010>
  <rr:BarChartReturnsForClassNotOfferedInProspectus contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">Performance for all periods shown has been recalculated to reflect the gross fees and expenses and sales charges of the fund&amp;#8217;s Class A shares, which were first offered on January 14, 2013.</rr:BarChartReturnsForClassNotOfferedInProspectus>
  <rr:AnnualReturn2011 decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119148_MemberProspectusClassIShares_Member" unitRef="pure">-0.0985</rr:AnnualReturn2011>
  <rr:AnnualReturn2012 decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119148_MemberProspectusClassIShares_Member" unitRef="pure">0.1405</rr:AnnualReturn2012>
  <rr:PortfolioTurnoverHeading contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">Portfolio turnover</rr:PortfolioTurnoverHeading>
  <rr:PortfolioTurnoverTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">The fund pays transaction costs, such as commissions, when it buys and sells securities (or &amp;#8220;turns over&amp;#8221; its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the fund&amp;#8217;s performance. During the most recent fiscal year of the predecessor to the fund, the Turner International Growth Fund, a series of Turner Funds (the predecessor fund), the fund&amp;#8217;s portfolio turnover rate was 138% of the average value of its portfolio.</rr:PortfolioTurnoverTextBlock>
  <rr:PerformanceTableUsesHighestFederalRate contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">They reflect the highest individual federal marginal income tax rates in effect as of the date provided and do not reflect any state or local taxes.</rr:PerformanceTableUsesHighestFederalRate>
  <rr:PerformanceTableNotRelevantToTaxDeferred contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">Your actual after-tax returns may be different. After-tax returns are not relevant to shares held in an IRA, 401(k) or other tax-advantaged investment plan.</rr:PerformanceTableNotRelevantToTaxDeferred>
  <rr:PortfolioTurnoverRate decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member" unitRef="pure">1.38</rr:PortfolioTurnoverRate>
  <rr:StrategyHeading contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">Principal investment strategies</rr:StrategyHeading>
  <rr:PerformanceTableOneClassOfAfterTaxShown contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">&lt;b&gt;After-tax returns &lt;/b&gt; These are shown only for Class A shares and would be different for other classes.</rr:PerformanceTableOneClassOfAfterTaxShown>
  <dei:TradingSymbol contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119147_MemberProspectusClassaShares_Member">JTIGX</dei:TradingSymbol>
  <rr:StrategyNarrativeTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">Under normal market conditions, the fund invests at least 80% of its net assets (plus any borrowings for investment purposes) in equity securities of international non-U.S. companies with market capitalizations at the time of purchase greater than $2 billion that the subadviser believes have strong earnings growth potential. The fund may continue to hold securities of companies whose market capitalization was within such range at the time of purchase but whose current market capitalization may be outside of that range. The fund invests in securities of companies that are diversified across economic sectors, and attempts to maintain sector concentrations that approximate those of the MSCI World Growth ex-U.S. Index (World Growth ex-U.S. Index). Portfolio exposure is generally limited to 5% of assets in any single issuer, subject to exceptions for the most heavily weighted securities in the World Growth ex-U.S. Index. The fund will generally invest in securities of issuers based in the countries represented in the World Growth ex-U.S. Index, which includes both developed and emerging markets issuers. In addition, the fund may invest in initial public offerings (IPOs).&lt;br/&gt;&lt;br/&gt;The subadviser pursues a bottom-up strategy that blends quantitative and qualitative analysis to find growth companies with superior earnings prospects, reasonable valuations and favorable trading-volume and price patterns. A stock becomes a sell candidate if the subadviser detects  deterioration in the company&amp;#8217;s earnings growth potential. The subadviser may also trim positions to adhere to capitalization or capacity constraints, or to adjust stock position size relative to the World Growth ex-U.S. Index.&lt;br/&gt;&lt;br/&gt;The fund may buy and sell securities frequently as part of its investment strategy.</rr:StrategyNarrativeTextBlock>
  <rr:RiskHeading contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">Principal risks</rr:RiskHeading>
  <rr:HighestQuarterlyReturnLabel contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119148_MemberProspectusClassIShares_Member">&lt;b&gt;Best quarter: &lt;/b&gt;</rr:HighestQuarterlyReturnLabel>
  <rr:RiskNarrativeTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">An investment in the fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. The fund&amp;#8217;s shares will go up and down in price, meaning that you could lose money by investing in the fund. Many factors influence a mutual fund&amp;#8217;s performance.  &lt;br /&gt;&lt;br /&gt; Instability in the financial markets has led many governments, including the United States government, to take a number of unprecedented actions designed to support certain financial institutions and segments of the financial markets that have experienced extreme volatility and, in some cases, a lack of liquidity. Federal, state and other governments, and their regulatory agencies or self-regulatory organizations, may take actions that affect the regulation of the instruments in which the fund invests, or the issuers of such instruments, in ways that are unforeseeable. Legislation or regulation may also change the way in which the fund itself is regulated. Such legislation or regulation could limit or preclude the fund&amp;#8217;s ability to achieve its investment objective.  &lt;br /&gt;&lt;br /&gt; Governments or their agencies may also acquire distressed assets from financial institutions and acquire ownership interests in those institutions. The implications of government ownership and disposition of these assets are unclear, and such a program may have positive or negative effects on the liquidity, valuation and performance of the fund&amp;#8217;s portfolio holdings. Furthermore, volatile financial markets can expose the fund to greater market and liquidity risk and potential difficulty in valuing portfolio instruments held by the fund.  &lt;br /&gt;&lt;br /&gt; The fund&amp;#8217;s main risk factors are listed below in alphabetical order. Before investing, be sure to read the additional descriptions of these risks beginning on page 5 of the prospectus.&lt;br /&gt;&lt;br /&gt; &lt;b&gt;Active management risk &lt;/b&gt; The subadviser&amp;#8217;s investment strategy may fail to produce the intended result.&lt;br /&gt;&lt;br /&gt; &lt;b&gt;Currency risk &lt;/b&gt; Fluctuations in exchange rates may adversely affect the U.S. dollar value of a fund&amp;#8217;s investments. Currency risk includes both the risk that currencies in which a fund&amp;#8217;s investments are traded, or currencies in which a fund has taken an active position, will decline in value relative to the U.S. dollar.&lt;br /&gt;&lt;br /&gt; &lt;b&gt;Emerging markets risk &lt;/b&gt; The risks of investing in foreign securities are greater for investments in emerging markets. Emerging market countries may experience higher inflation, interest rates and unemployment as well as greater social, economic, regulatory and political uncertainties than more developed countries.&lt;br /&gt;&lt;br /&gt; &lt;b&gt;Equity securities risk &lt;/b&gt; The value of a company&amp;#8217;s equity securities is subject to changes in the company&amp;#8217;s financial condition, and overall market and economic conditions. The securities of growth companies are subject to greater price fluctuations than other types of stocks because their market prices tend to place greater emphasis on future earnings expectations.&lt;br /&gt;&lt;br /&gt; &lt;b&gt;Foreign securities risk &lt;/b&gt; As compared to U.S. companies, there may be less publicly available information relating to foreign companies. Foreign securities may be subject to foreign taxes. The value of foreign securities is subject to currency fluctuations and adverse political and economic developments. Investments in emerging-market countries are subject to greater levels of foreign investment risk.&lt;br /&gt;&lt;br /&gt; &lt;b&gt;High portfolio turnover risk &lt;/b&gt; Actively trading securities can increase transaction costs (thus lowering performance) and taxable distributions.&lt;br /&gt;&lt;br /&gt; &lt;b&gt;Initial public offerings risk &lt;/b&gt; IPO shares may have a magnified impact on fund performance and are frequently volatile in price. They can be held for a short period of time causing an increase in portfolio turnover.&lt;br /&gt;&lt;br /&gt; &lt;b&gt;Issuer risk &lt;/b&gt; An issuer of a security may perform poorly and, therefore, the value of its stocks and bonds may decline. An issuer of securities held by the fund could default or have its credit rating downgraded.&lt;br /&gt;&lt;br /&gt; &lt;b&gt;Liquidity risk &lt;/b&gt; Exposure exists when trading volume, lack of a market maker or legal restrictions impair the ability to sell particular securities or close derivative positions at an advantageous price.</rr:RiskNarrativeTextBlock>
  <rr:BarChartHighestQuarterlyReturnDate contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119148_MemberProspectusClassIShares_Member">2009-06-30</rr:BarChartHighestQuarterlyReturnDate>
  <rr:BarChartHighestQuarterlyReturn decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119148_MemberProspectusClassIShares_Member" unitRef="pure">0.2628</rr:BarChartHighestQuarterlyReturn>
  <rr:LowestQuarterlyReturnLabel contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119148_MemberProspectusClassIShares_Member">&lt;b&gt;Worst quarter: &lt;/b&gt;</rr:LowestQuarterlyReturnLabel>
  <rr:BarChartLowestQuarterlyReturnDate contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119148_MemberProspectusClassIShares_Member">2008-09-30</rr:BarChartLowestQuarterlyReturnDate>
  <rr:BarChartLowestQuarterlyReturn decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119148_MemberProspectusClassIShares_Member" unitRef="pure">-0.2703</rr:BarChartLowestQuarterlyReturn>
  <rr:RiskLoseMoney contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">The fund&amp;#8217;s shares will go up and down in price, meaning that you could lose money by investing in the fund.</rr:RiskLoseMoney>
  <rr:RiskNotInsuredDepositoryInstitution contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">An investment in the fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.</rr:RiskNotInsuredDepositoryInstitution>
  <rr:PerformanceTableHeading contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">&lt;b&gt;Average annual total returns&lt;/b&gt; (%)&lt;br/&gt;&lt;b&gt;as of 12-31-12&lt;/b&gt;</rr:PerformanceTableHeading>
  <rr:AnnualFundOperatingExpensesTableTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">&lt;div style="display:none"&gt;~ http://www.jhfunds.com/role/ScheduleAnnualFundOperatingExpensesInternationalGrowthEquityFundClassI column period compact * ~&lt;/div&gt;

</rr:AnnualFundOperatingExpensesTableTextBlock>
  <rr:BarChartAndPerformanceTableHeading contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">Past performance</rr:BarChartAndPerformanceTableHeading>
  <rr:PerformanceNarrativeTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">The following performance information in the bar chart and table below illustrates the variability of the fund&amp;#8217;s returns and provides some indication of the risks of investing in the fund by showing changes in the fund&amp;#8217;s performance from year to year. However, past performance (before and after taxes) does not indicate future results. All figures assume dividend reinvestment. Performance for the fund is updated daily, monthly and quarterly and may be obtained at our Web site: www.jhfunds.com/FundPerformance, or by calling 1-800-344-1029 between 8:00 A.M. and 7:00 P.M., Eastern Time, on most business days.&lt;br /&gt;&lt;br /&gt; &lt;b&gt;Average annual total returns &lt;/b&gt; Performance of a broad-based market index is included for comparison.&lt;br /&gt;&lt;br /&gt; &lt;b&gt;After-tax returns &lt;/b&gt; They reflect the highest individual federal marginal income tax rates in effect as of the date provided and do not reflect any state or local taxes. Your actual after-tax returns may be different. After-tax returns are not relevant to shares held in an IRA, 401(k) or other tax-advantaged investment plan.  &lt;br /&gt;&lt;br /&gt; The fund is the successor to the Turner International Growth Fund (the predecessor fund). The performance information shown below is the historical performance of the predecessor fund&amp;#8217;s Institutional Class shares.</rr:PerformanceNarrativeTextBlock>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119148_MemberProspectusClassIShares_MemberBeforeTax_Member" unitRef="pure">0.1405</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_01Feb2012_31Jan2013AfterTaxesOnDistributions_MemberS000038640_MemberC000119148_MemberProspectusClassIShares_Member" unitRef="pure">0.1405</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_01Feb2012_31Jan2013AfterTaxesOnDistributionsAndSales_MemberS000038640_MemberC000119148_MemberProspectusClassIShares_Member" unitRef="pure">0.0914</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_MemberMsciWorldGrowthExUsIndex_Member" unitRef="pure">0.1591</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnSinceInception decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119148_MemberProspectusClassIShares_MemberBeforeTax_Member" unitRef="pure">0.0295</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnSinceInception decimals="4" contextRef="Duration_01Feb2012_31Jan2013AfterTaxesOnDistributions_MemberS000038640_MemberC000119148_MemberProspectusClassIShares_Member" unitRef="pure">0.0264</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnSinceInception decimals="4" contextRef="Duration_01Feb2012_31Jan2013AfterTaxesOnDistributionsAndSales_MemberS000038640_MemberC000119148_MemberProspectusClassIShares_Member" unitRef="pure">0.0233</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnSinceInception decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_MemberMsciWorldGrowthExUsIndex_Member" unitRef="pure">0.003</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnInceptionDate contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119148_MemberProspectusClassIShares_MemberBeforeTax_Member">2007-01-31</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="Duration_01Feb2012_31Jan2013AfterTaxesOnDistributions_MemberS000038640_MemberC000119148_MemberProspectusClassIShares_Member">2007-01-31</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="Duration_01Feb2012_31Jan2013AfterTaxesOnDistributionsAndSales_MemberS000038640_MemberC000119148_MemberProspectusClassIShares_Member">2007-01-31</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_MemberMsciWorldGrowthExUsIndex_Member">2007-01-31</rr:AverageAnnualReturnInceptionDate>
  <rr:ExpenseExampleWithRedemptionTableTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">&lt;div style="display:none"&gt;~ http://www.jhfunds.com/role/ScheduleExpenseExampleInternationalGrowthEquityFundClassI column period compact * ~&lt;/div&gt;

</rr:ExpenseExampleWithRedemptionTableTextBlock>
  <rr:ShareholderFeesTableTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">&lt;div style="display:none"&gt;~ http://www.jhfunds.com/role/ScheduleShareholderFeesInternationalGrowthEquityFund column period compact * ~&lt;/div&gt;

</rr:ShareholderFeesTableTextBlock>
  <rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">The following performance information in the bar chart and table below illustrates the variability of the fund&amp;#8217;s returns and provides some indication of the risks of investing in the fund by showing changes in the fund&amp;#8217;s performance from year to year.</rr:PerformanceInformationIllustratesVariabilityOfReturns>
  <rr:PerformancePastDoesNotIndicateFuture contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">However, past performance (before and after taxes) does not indicate future results.</rr:PerformancePastDoesNotIndicateFuture>
  <rr:PerformanceAvailabilityPhone contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">1-800-344-1029</rr:PerformanceAvailabilityPhone>
  <rr:PerformanceAvailabilityWebSiteAddress contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">www.jhfunds.com/FundPerformance</rr:PerformanceAvailabilityWebSiteAddress>
  <rr:PerformanceAdditionalMarketIndex contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">&lt;b&gt;Average annual total returns &lt;/b&gt; Performance of a broad-based market index is included for comparison.</rr:PerformanceAdditionalMarketIndex>
  <rr:PerformanceTableUsesHighestFederalRate contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">&lt;b&gt;After-tax returns &lt;/b&gt; They reflect the highest individual federal marginal income tax rates in effect as of the date provided and do not reflect any state or local taxes.</rr:PerformanceTableUsesHighestFederalRate>
  <rr:PerformanceTableNotRelevantToTaxDeferred contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">Your actual after-tax returns may be different. After-tax returns are not relevant to shares held in an IRA, 401(k) or other tax-advantaged investment plan.</rr:PerformanceTableNotRelevantToTaxDeferred>
  <rr:BarChartHeading contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">&lt;b&gt;Calendar year total returns &amp;#8212; Class NAV&lt;/b&gt; (%)</rr:BarChartHeading>
  <rr:AnnualFundOperatingExpensesTableTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">&lt;div style="display:none"&gt;~ http://www.jhfunds.com/role/ScheduleAnnualFundOperatingExpensesInternationalGrowthEquityFund column period compact * ~&lt;/div&gt;

</rr:AnnualFundOperatingExpensesTableTextBlock>
  <rr:AnnualReturn2008 decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119149_MemberProspectusClassNavShares_Member" unitRef="pure">-0.5184</rr:AnnualReturn2008>
  <rr:AnnualReturn2009 decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119149_MemberProspectusClassNavShares_Member" unitRef="pure">0.4723</rr:AnnualReturn2009>
  <rr:AnnualReturn2010 decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119149_MemberProspectusClassNavShares_Member" unitRef="pure">0.2684</rr:AnnualReturn2010>
  <rr:AnnualReturn2011 decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119149_MemberProspectusClassNavShares_Member" unitRef="pure">-0.0985</rr:AnnualReturn2011>
  <rr:AnnualReturn2012 decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119149_MemberProspectusClassNavShares_Member" unitRef="pure">0.1405</rr:AnnualReturn2012>
  <rr:ExpenseExampleWithRedemptionTableTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">&lt;div style="display:none"&gt;~ http://www.jhfunds.com/role/ScheduleExpenseExampleInternationalGrowthEquityFund column period compact * ~&lt;/div&gt;

</rr:ExpenseExampleWithRedemptionTableTextBlock>
  <rr:ExpenseExampleNoRedemptionTableTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">&lt;div style="display:none"&gt;~ http://www.jhfunds.com/role/ScheduleExpenseExampleNoRedemptionInternationalGrowthEquityFund column period compact * ~&lt;/div&gt;

</rr:ExpenseExampleNoRedemptionTableTextBlock>
  <rr:PerformanceTableHeading contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">&lt;b&gt; Average annual total returns &lt;/b&gt;(%)&lt;br/&gt;&lt;b&gt;as of 12-31-12&lt;/b&gt;</rr:PerformanceTableHeading>
  <rr:BarChartTableTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">&lt;div style="display:none"&gt;~ http://www.jhfunds.com/role/ScheduleAnnualTotalReturnsInternationalGrowthEquityFundBarChart column period compact * ~&lt;/div&gt;

</rr:BarChartTableTextBlock>
  <rr:HighestQuarterlyReturnLabel contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119149_MemberProspectusClassNavShares_Member">&lt;b&gt;Best quarter:&lt;/b&gt;</rr:HighestQuarterlyReturnLabel>
  <rr:BarChartHighestQuarterlyReturnDate contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119149_MemberProspectusClassNavShares_Member">2009-06-30</rr:BarChartHighestQuarterlyReturnDate>
  <rr:BarChartHighestQuarterlyReturn decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119149_MemberProspectusClassNavShares_Member" unitRef="pure">0.2628</rr:BarChartHighestQuarterlyReturn>
  <rr:LowestQuarterlyReturnLabel contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119149_MemberProspectusClassNavShares_Member">&lt;b&gt;Worst quarter:&lt;/b&gt;</rr:LowestQuarterlyReturnLabel>
  <rr:BarChartLowestQuarterlyReturnDate contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119149_MemberProspectusClassNavShares_Member">2008-09-30</rr:BarChartLowestQuarterlyReturnDate>
  <rr:BarChartLowestQuarterlyReturn decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119149_MemberProspectusClassNavShares_Member" unitRef="pure">-0.2703</rr:BarChartLowestQuarterlyReturn>
  <rr:BarChartTableTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">&lt;div style="display:none"&gt;~ http://www.jhfunds.com/role/ScheduleAnnualTotalReturnsInternationalGrowthEquityFundClassIBarChart column period compact * ~&lt;/div&gt;

</rr:BarChartTableTextBlock>
  <rr:PerformanceTableTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">&lt;div style="display:none"&gt;~ http://www.jhfunds.com/role/ScheduleAverageAnnualTotalReturnsTransposedInternationalGrowthEquityFund column period compact * ~&lt;/div&gt;

</rr:PerformanceTableTextBlock>
  <rr:BarChartClosingTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">&lt;b&gt;Best quarter:&lt;/b&gt; Q2 &amp;#8217;09, 26.28%&lt;br/&gt;&lt;br/&gt;&lt;b&gt;Worst quarter:&lt;/b&gt; Q3 &amp;#8217;08, -27.03%</rr:BarChartClosingTextBlock>
  <rr:BarChartClosingTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">&lt;b&gt;Best quarter: &lt;/b&gt;Q2 &amp;#8217;09, 26.28%&lt;br/&gt;&lt;br/&gt;&lt;b&gt;Worst quarter:&lt;/b&gt; Q3 &amp;#8217;08, -27.03%</rr:BarChartClosingTextBlock>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119149_MemberProspectusClassNavShares_MemberBeforeTax_Member" unitRef="pure">0.1405</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_01Feb2012_31Jan2013AfterTaxesOnDistributions_MemberS000038640_MemberC000119149_MemberProspectusClassNavShares_Member" unitRef="pure">0.1405</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_01Feb2012_31Jan2013AfterTaxesOnDistributionsAndSales_MemberS000038640_MemberC000119149_MemberProspectusClassNavShares_Member" unitRef="pure">0.0914</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_MemberMsciWorldGrowthExUsIndex_Member" unitRef="pure">0.1591</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnSinceInception decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119149_MemberProspectusClassNavShares_MemberBeforeTax_Member" unitRef="pure">0.0295</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnSinceInception decimals="4" contextRef="Duration_01Feb2012_31Jan2013AfterTaxesOnDistributions_MemberS000038640_MemberC000119149_MemberProspectusClassNavShares_Member" unitRef="pure">0.0264</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnSinceInception decimals="4" contextRef="Duration_01Feb2012_31Jan2013AfterTaxesOnDistributionsAndSales_MemberS000038640_MemberC000119149_MemberProspectusClassNavShares_Member" unitRef="pure">0.0233</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnSinceInception decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_MemberMsciWorldGrowthExUsIndex_Member" unitRef="pure">0.003</rr:AverageAnnualReturnSinceInception>
  <rr:OtherExpensesNewFundBasedOnEstimates contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassaShares_Member">&amp;#8220;Annual fund operating expenses&amp;#8221; have been adjusted to reflect the estimated fees and expenses of the fund after its reorganization with the predecessor fund (as defined below).</rr:OtherExpensesNewFundBasedOnEstimates>
  <rr:PerformanceTableTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">&lt;div style="display:none"&gt;~ http://www.jhfunds.com/role/ScheduleAverageAnnualTotalReturnsTransposedInternationalGrowthEquityFundClassI column period compact * ~&lt;/div&gt;

</rr:PerformanceTableTextBlock>
  <rr:AverageAnnualReturnInceptionDate contextRef="Duration_01Feb2012_31Jan2013AfterTaxesOnDistributionsAndSales_MemberS000038640_MemberC000119149_MemberProspectusClassNavShares_Member">2007-01-31</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_MemberMsciWorldGrowthExUsIndex_Member">2007-01-31</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="Duration_01Feb2012_31Jan2013AfterTaxesOnDistributions_MemberS000038640_MemberC000119149_MemberProspectusClassNavShares_Member">2007-01-31</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119149_MemberProspectusClassNavShares_MemberBeforeTax_Member">2007-01-31</rr:AverageAnnualReturnInceptionDate>
  <rr:ShareholderFeesTableTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">&lt;div style="display:none"&gt;~ http://www.jhfunds.com/role/ScheduleShareholderFeesInternationalGrowthEquityFundClassNAV column period compact * ~&lt;/div&gt;

</rr:ShareholderFeesTableTextBlock>
  <rr:AverageAnnualReturnInceptionDate contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119147_MemberProspectusClassaShares_MemberBeforeTax_Member">2007-01-31</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="Duration_01Feb2012_31Jan2013AfterTaxesOnDistributions_MemberS000038640_MemberC000119147_MemberProspectusClassaShares_Member">2007-01-31</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="Duration_01Feb2012_31Jan2013AfterTaxesOnDistributionsAndSales_MemberS000038640_MemberC000119147_MemberProspectusClassaShares_Member">2007-01-31</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberMsciWorldGrowthExUsIndex_MemberProspectusClassaShares_Member">2007-01-31</rr:AverageAnnualReturnInceptionDate>
  <rr:AnnualFundOperatingExpensesTableTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">&lt;div style="display:none"&gt;~ http://www.jhfunds.com/role/ScheduleAnnualFundOperatingExpensesInternationalGrowthEquityFundClassNAV column period compact * ~&lt;/div&gt;

</rr:AnnualFundOperatingExpensesTableTextBlock>
  <rr:ExpenseExampleWithRedemptionTableTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">&lt;div style="display:none"&gt;~ http://www.jhfunds.com/role/ScheduleExpenseExampleInternationalGrowthEquityFundClassNAV column period compact * ~&lt;/div&gt;

</rr:ExpenseExampleWithRedemptionTableTextBlock>
  <rr:BarChartTableTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">&lt;div style="display:none"&gt;~ http://www.jhfunds.com/role/ScheduleAnnualTotalReturnsInternationalGrowthEquityFundClassNAVBarChart column period compact * ~&lt;/div&gt;

</rr:BarChartTableTextBlock>
  <rr:PerformanceTableTextBlock contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">&lt;div style="display:none"&gt;~ http://www.jhfunds.com/role/ScheduleAverageAnnualTotalReturnsTransposedInternationalGrowthEquityFundClassNAV column period compact * ~&lt;/div&gt;

</rr:PerformanceTableTextBlock>
  <rr:BarChartReturnsForClassNotOfferedInProspectus contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">The fund is the successor to the Turner International Growth Fund (the predecessor fund). The performance information shown below is the historical performance of the predecessor fund&amp;#8217;s Institutional Class shares.</rr:BarChartReturnsForClassNotOfferedInProspectus>
  <rr:OtherExpensesNewFundBasedOnEstimates contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">&amp;#8220;Annual fund operating expenses&amp;#8221; have been adjusted to reflect the estimated fees and expenses of the fund after its reorganization with the predecessor fund (as defined below).</rr:OtherExpensesNewFundBasedOnEstimates>
  <dei:TradingSymbol contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119148_MemberProspectusClassIShares_Member">JTIIX</dei:TradingSymbol>
  <rr:ExpenseExampleByYearHeading contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassNavShares_Member">&lt;b&gt; Expenses &lt;/b&gt;($)</rr:ExpenseExampleByYearHeading>
  <rr:FeeWaiverOrReimbursementOverAssets id="Item_15" decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119147_MemberProspectusClassaShares_Member" unitRef="pure">-0.0084</rr:FeeWaiverOrReimbursementOverAssets>
  <rr:FeeWaiverOrReimbursementOverAssets id="Item_16" decimals="4" contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberC000119148_MemberProspectusClassIShares_Member" unitRef="pure">-0.0059</rr:FeeWaiverOrReimbursementOverAssets>
  <rr:PerformanceTableUsesHighestFederalRate contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">&lt;b&gt;After-tax returns &lt;/b&gt;They reflect the highest individual federal marginal income tax rates in effect as of the date provided and do not reflect any state or local taxes.</rr:PerformanceTableUsesHighestFederalRate>
  <rr:PerformanceTableNotRelevantToTaxDeferred contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">Your actual after-tax returns may be different. After-tax returns are not relevant to shares held in an IRA, 401(k) or other tax-advantaged investment plan.</rr:PerformanceTableNotRelevantToTaxDeferred>
  <rr:OtherExpensesNewFundBasedOnEstimates contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">&amp;#8220;Annual fund operating expenses&amp;#8221; have been adjusted to reflect the estimated fees and expenses of the fund after its reorganization with the predecessor fund (as defined below).</rr:OtherExpensesNewFundBasedOnEstimates>
  <rr:BarChartReturnsForClassNotOfferedInProspectus contextRef="Duration_01Feb2012_31Jan2013S000038640_MemberProspectusClassIShares_Member">The fund is the successor to the Turner International Growth Fund (the predecessor fund). The performance information shown below is the historical performance of the predecessor fund&amp;#8217;s Institutional Class shares.</rr:BarChartReturnsForClassNotOfferedInProspectus>
  <dei:DocumentPeriodEndDate contextRef="Duration_01Feb2012_31Jan2013">2013-01-25</dei:DocumentPeriodEndDate>
  <link:footnoteLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
    <link:loc xlink:type="locator" xlink:href="#Item_2" xlink:label="MaximumDeferredSalesChargeOverOther" />
    <link:footnote xlink:type="resource" xlink:label="footnote_MaximumDeferredSalesChargeOverOther" xlink:role="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US" id="footnote_MaximumDeferredSalesChargeOverOther">(on certain purchases, including those of $1 million or more)</link:footnote>
    <link:footnoteArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote" xlink:from="MaximumDeferredSalesChargeOverOther" xlink:to="footnote_MaximumDeferredSalesChargeOverOther" />
    <link:loc xlink:type="locator" xlink:href="#Item_3" xlink:label="ManagementFeesOverAssets" />
    <link:footnote xlink:type="resource" xlink:label="footnote_ManagementFeesOverAssets" xlink:role="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US" id="footnote_ManagementFeesOverAssets">"Annual fund operating expenses" have been adjusted to reflect the estimated fees and expenses of the fund after its reorganization with the predecessor fund (as defined below).</link:footnote>
    <link:footnoteArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote" xlink:from="ManagementFeesOverAssets" xlink:to="footnote_ManagementFeesOverAssets" />
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    <link:loc xlink:type="locator" xlink:href="#Item_5" xlink:label="Item_5_lbl" />
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    <link:loc xlink:type="locator" xlink:href="#Item_6" xlink:label="Item_6_lbl" />
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    <link:loc xlink:type="locator" xlink:href="#Item_9" xlink:label="Item_9_lbl" />
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    <link:loc xlink:type="locator" xlink:href="#Item_14" xlink:label="Item_14_lbl" />
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    <link:loc xlink:type="locator" xlink:href="#Item_15" xlink:label="Item_15_lbl" />
    <link:footnoteArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote" xlink:from="Item_15_lbl" xlink:to="footnote_ManagementFeesOverAssets" use="optional" priority="0" order="1.0" />
    <link:footnote xlink:type="resource" xlink:label="footnote_FeeWaiverOrReimbursementOverAssets_2" xlink:role="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US" id="footnote_FeeWaiverOrReimbursementOverAssets_2">The adviser has contractually agreed to waive all or a portion of its management fee and/or reimburse or pay operating expenses of the fund to the extent necessary to maintain the fund's total operating expenses at 1.35% for Class A shares, excluding certain expenses such as taxes, brokerage commissions, interest expense, litigation and indemnification expenses and other extraordinary expenses not incurred in the ordinary course of the fund's business, acquired fund fees and expenses and short dividend expense. The current expense limitation agreement expires on January 31, 2015, unless renewed by mutual agreement of the fund and the adviser based upon a determination that this is appropriate under the circumstances at that time.</link:footnote>
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    <link:loc xlink:type="locator" xlink:href="#Item_16" xlink:label="Item_16_lbl" />
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