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  <rr:AnnualReturn2004 contextRef="TwelveMonthsEnded_30Apr2011_C000025643_Member" unitRef="Pure" decimals="4">0.0906</rr:AnnualReturn2004>
  <rr:AnnualReturn2005 contextRef="TwelveMonthsEnded_30Apr2011_C000025643_Member" unitRef="Pure" decimals="4">0.0294</rr:AnnualReturn2005>
  <rr:AnnualReturn2005 contextRef="TwelveMonthsEnded_30Apr2011_C000025633_Member" unitRef="Pure" decimals="4">0.0651</rr:AnnualReturn2005>
  <rr:AnnualReturn2005 contextRef="TwelveMonthsEnded_30Apr2011_C000025649_Member" unitRef="Pure" decimals="4">0.1283</rr:AnnualReturn2005>
  <rr:AnnualReturn2005 contextRef="TwelveMonthsEnded_30Apr2011_C000025640_Member" unitRef="Pure" decimals="4">0.0607</rr:AnnualReturn2005>
  <rr:AnnualReturn2005 contextRef="TwelveMonthsEnded_30Apr2011_C000025652_Member" unitRef="Pure" decimals="4">0.1370</rr:AnnualReturn2005>
  <rr:AnnualReturn2005 contextRef="TwelveMonthsEnded_30Apr2011_C000025646_Member" unitRef="Pure" decimals="4">0.0393</rr:AnnualReturn2005>
  <rr:AnnualReturn2006 contextRef="TwelveMonthsEnded_30Apr2011_C000025633_Member" unitRef="Pure" decimals="4">0.1289</rr:AnnualReturn2006>
  <rr:AnnualReturn2006 contextRef="TwelveMonthsEnded_30Apr2011_C000025652_Member" unitRef="Pure" decimals="4">0.2210</rr:AnnualReturn2006>
  <rr:AnnualReturn2006 contextRef="TwelveMonthsEnded_30Apr2011_C000025640_Member" unitRef="Pure" decimals="4">0.1227</rr:AnnualReturn2006>
  <rr:AnnualReturn2006 contextRef="TwelveMonthsEnded_30Apr2011_C000025643_Member" unitRef="Pure" decimals="4">0.0856</rr:AnnualReturn2006>
  <rr:AnnualReturn2006 contextRef="TwelveMonthsEnded_30Apr2011_C000025646_Member" unitRef="Pure" decimals="4">0.2263</rr:AnnualReturn2006>
  <rr:AnnualReturn2006 contextRef="TwelveMonthsEnded_30Apr2011_C000025649_Member" unitRef="Pure" decimals="4">0.1616</rr:AnnualReturn2006>
  <rr:AnnualReturn2007 contextRef="TwelveMonthsEnded_30Apr2011_C000025644_Member" unitRef="Pure" decimals="4">0.1001</rr:AnnualReturn2007>
  <rr:AnnualReturn2007 contextRef="TwelveMonthsEnded_30Apr2011_C000025650_Member" unitRef="Pure" decimals="4">0.0316</rr:AnnualReturn2007>
  <rr:AnnualReturn2007 contextRef="TwelveMonthsEnded_30Apr2011_C000025640_Member" unitRef="Pure" decimals="4">-0.1648</rr:AnnualReturn2007>
  <rr:AnnualReturn2007 contextRef="TwelveMonthsEnded_30Apr2011_C000025649_Member" unitRef="Pure" decimals="4">0.0320</rr:AnnualReturn2007>
  <rr:AnnualReturn2007 contextRef="TwelveMonthsEnded_30Apr2011_C000025643_Member" unitRef="Pure" decimals="4">0.1013</rr:AnnualReturn2007>
  <rr:AnnualReturn2007 contextRef="TwelveMonthsEnded_30Apr2011_C000025659_Member" unitRef="Pure" decimals="4">0.0734</rr:AnnualReturn2007>
  <rr:AnnualReturn2007 contextRef="TwelveMonthsEnded_30Apr2011_C000025636_Member" unitRef="Pure" decimals="4">0.0681</rr:AnnualReturn2007>
  <rr:AnnualReturn2007 contextRef="TwelveMonthsEnded_30Apr2011_C000025653_Member" unitRef="Pure" decimals="4">0.0786</rr:AnnualReturn2007>
  <rr:AnnualReturn2007 contextRef="TwelveMonthsEnded_30Apr2011_C000025634_Member" unitRef="Pure" decimals="4">-0.0172</rr:AnnualReturn2007>
  <rr:AnnualReturn2007 contextRef="TwelveMonthsEnded_30Apr2011_C000025657_Member" unitRef="Pure" decimals="4">0.0532</rr:AnnualReturn2007>
  <rr:AnnualReturn2007 contextRef="TwelveMonthsEnded_30Apr2011_C000025646_Member" unitRef="Pure" decimals="4">0.0149</rr:AnnualReturn2007>
  <rr:AnnualReturn2007 contextRef="TwelveMonthsEnded_30Apr2011_C000025638_Member" unitRef="Pure" decimals="4">0.0498</rr:AnnualReturn2007>
  <rr:AnnualReturn2007 contextRef="TwelveMonthsEnded_30Apr2011_C000025655_Member" unitRef="Pure" decimals="4">0.1937</rr:AnnualReturn2007>
  <rr:AnnualReturn2007 contextRef="TwelveMonthsEnded_30Apr2011_C000025652_Member" unitRef="Pure" decimals="4">0.0788</rr:AnnualReturn2007>
  <rr:AnnualReturn2007 contextRef="TwelveMonthsEnded_30Apr2011_C000025633_Member" unitRef="Pure" decimals="4">-0.0163</rr:AnnualReturn2007>
  <rr:AnnualReturn2008 contextRef="TwelveMonthsEnded_30Apr2011_C000025636_Member" unitRef="Pure" decimals="4">-0.0856</rr:AnnualReturn2008>
  <rr:AnnualReturn2008 contextRef="TwelveMonthsEnded_30Apr2011_C000025643_Member" unitRef="Pure" decimals="4">-0.4167</rr:AnnualReturn2008>
  <rr:AnnualReturn2008 contextRef="TwelveMonthsEnded_30Apr2011_C000025640_Member" unitRef="Pure" decimals="4">-0.3395</rr:AnnualReturn2008>
  <rr:AnnualReturn2008 contextRef="TwelveMonthsEnded_30Apr2011_C000025652_Member" unitRef="Pure" decimals="4">-0.4587</rr:AnnualReturn2008>
  <rr:AnnualReturn2008 contextRef="TwelveMonthsEnded_30Apr2011_C000025641_Member" unitRef="Pure" decimals="4">-0.3416</rr:AnnualReturn2008>
  <rr:AnnualReturn2008 contextRef="TwelveMonthsEnded_30Apr2011_C000025649_Member" unitRef="Pure" decimals="4">-0.3697</rr:AnnualReturn2008>
  <rr:AnnualReturn2008 contextRef="TwelveMonthsEnded_30Apr2011_C000025644_Member" unitRef="Pure" decimals="4">-0.4186</rr:AnnualReturn2008>
  <rr:AnnualReturn2008 contextRef="TwelveMonthsEnded_30Apr2011_C000025634_Member" unitRef="Pure" decimals="4">-0.3705</rr:AnnualReturn2008>
  <rr:AnnualReturn2008 contextRef="TwelveMonthsEnded_30Apr2011_C000025646_Member" unitRef="Pure" decimals="4">-0.3445</rr:AnnualReturn2008>
  <rr:AnnualReturn2008 contextRef="TwelveMonthsEnded_30Apr2011_C000025659_Member" unitRef="Pure" decimals="4">0.0314</rr:AnnualReturn2008>
  <rr:AnnualReturn2008 contextRef="TwelveMonthsEnded_30Apr2011_C000025650_Member" unitRef="Pure" decimals="4">-0.3713</rr:AnnualReturn2008>
  <rr:AnnualReturn2008 contextRef="TwelveMonthsEnded_30Apr2011_C000025655_Member" unitRef="Pure" decimals="4">-0.4072</rr:AnnualReturn2008>
  <rr:AnnualReturn2008 contextRef="TwelveMonthsEnded_30Apr2011_C000025633_Member" unitRef="Pure" decimals="4">-0.3692</rr:AnnualReturn2008>
  <rr:AnnualReturn2008 contextRef="TwelveMonthsEnded_30Apr2011_C00002567_Member" unitRef="Pure" decimals="4">-0.3432</rr:AnnualReturn2008>
  <rr:AnnualReturn2008 contextRef="TwelveMonthsEnded_30Apr2011_C000025638_Member" unitRef="Pure" decimals="4">0.0225</rr:AnnualReturn2008>
  <rr:AnnualReturn2008 contextRef="TwelveMonthsEnded_30Apr2011_C000025657_Member" unitRef="Pure" decimals="4">-0.3718</rr:AnnualReturn2008>
  <rr:AnnualReturn2008 contextRef="TwelveMonthsEnded_30Apr2011_C000025653_Member" unitRef="Pure" decimals="4">-0.4600</rr:AnnualReturn2008>
  <rr:AnnualReturn2009 contextRef="TwelveMonthsEnded_30Apr2011_C000025641_Member" unitRef="Pure" decimals="4">0.2726</rr:AnnualReturn2009>
  <rr:AnnualReturn2009 contextRef="TwelveMonthsEnded_30Apr2011_C000025634_Member" unitRef="Pure" decimals="4">0.2089</rr:AnnualReturn2009>
  <rr:AnnualReturn2009 contextRef="TwelveMonthsEnded_30Apr2011_C000025636_Member" unitRef="Pure" decimals="4">0.1468</rr:AnnualReturn2009>
  <rr:AnnualReturn2009 contextRef="TwelveMonthsEnded_30Apr2011_C000025650_Member" unitRef="Pure" decimals="4">0.3278</rr:AnnualReturn2009>
  <rr:AnnualReturn2009 contextRef="TwelveMonthsEnded_30Apr2011_C000025652_Member" unitRef="Pure" decimals="4">0.2869</rr:AnnualReturn2009>
  <rr:AnnualReturn2009 contextRef="TwelveMonthsEnded_30Apr2011_C000025640_Member" unitRef="Pure" decimals="4">0.2767</rr:AnnualReturn2009>
  <rr:AnnualReturn2009 contextRef="TwelveMonthsEnded_30Apr2011_C000025644_Member" unitRef="Pure" decimals="4">0.4750</rr:AnnualReturn2009>
  <rr:AnnualReturn2009 contextRef="TwelveMonthsEnded_30Apr2011_C000025638_Member" unitRef="Pure" decimals="4">0.0015</rr:AnnualReturn2009>
  <rr:AnnualReturn2009 contextRef="TwelveMonthsEnded_30Apr2011_C000025646_Member" unitRef="Pure" decimals="4">0.1832</rr:AnnualReturn2009>
  <rr:AnnualReturn2009 contextRef="TwelveMonthsEnded_30Apr2011_C000025659_Member" unitRef="Pure" decimals="4">0.0644</rr:AnnualReturn2009>
  <rr:AnnualReturn2009 contextRef="TwelveMonthsEnded_30Apr2011_C000025643_Member" unitRef="Pure" decimals="4">0.4775</rr:AnnualReturn2009>
  <rr:AnnualReturn2009 contextRef="TwelveMonthsEnded_30Apr2011_C00002567_Member" unitRef="Pure" decimals="4">0.1787</rr:AnnualReturn2009>
  <rr:AnnualReturn2009 contextRef="TwelveMonthsEnded_30Apr2011_C000025633_Member" unitRef="Pure" decimals="4">0.2115</rr:AnnualReturn2009>
  <rr:AnnualReturn2009 contextRef="TwelveMonthsEnded_30Apr2011_C000025655_Member" unitRef="Pure" decimals="4">0.5859</rr:AnnualReturn2009>
  <rr:AnnualReturn2009 contextRef="TwelveMonthsEnded_30Apr2011_C000025653_Member" unitRef="Pure" decimals="4">0.2837</rr:AnnualReturn2009>
  <rr:AnnualReturn2009 contextRef="TwelveMonthsEnded_30Apr2011_C000025649_Member" unitRef="Pure" decimals="4">0.3315</rr:AnnualReturn2009>
  <rr:AnnualReturn2009 contextRef="TwelveMonthsEnded_30Apr2011_C000025657_Member" unitRef="Pure" decimals="4">0.2628</rr:AnnualReturn2009>
  <rr:AnnualReturn2010 contextRef="TwelveMonthsEnded_30Apr2011_C000025634_Member" unitRef="Pure" decimals="4">0.1260</rr:AnnualReturn2010>
  <rr:AnnualReturn2010 contextRef="TwelveMonthsEnded_30Apr2011_C000025644_Member" unitRef="Pure" decimals="4">0.1050</rr:AnnualReturn2010>
  <rr:AnnualReturn2010 contextRef="TwelveMonthsEnded_30Apr2011_C00002567_Member" unitRef="Pure" decimals="4">0.1089</rr:AnnualReturn2010>
  <rr:AnnualReturn2010 contextRef="TwelveMonthsEnded_30Apr2011_C000025653_Member" unitRef="Pure" decimals="4">0.1009</rr:AnnualReturn2010>
  <rr:AnnualReturn2010 contextRef="TwelveMonthsEnded_30Apr2011_C000025652_Member" unitRef="Pure" decimals="4">0.1036</rr:AnnualReturn2010>
  <rr:AnnualReturn2010 contextRef="TwelveMonthsEnded_30Apr2011_C000025659_Member" unitRef="Pure" decimals="4">0.0519</rr:AnnualReturn2010>
  <rr:AnnualReturn2010 contextRef="TwelveMonthsEnded_30Apr2011_C000025636_Member" unitRef="Pure" decimals="4">0.0718</rr:AnnualReturn2010>
  <rr:AnnualReturn2010 contextRef="TwelveMonthsEnded_30Apr2011_C000025657_Member" unitRef="Pure" decimals="4">0.1492</rr:AnnualReturn2010>
  <rr:AnnualReturn2010 contextRef="TwelveMonthsEnded_30Apr2011_C000025638_Member" unitRef="Pure" decimals="4">0.0001</rr:AnnualReturn2010>
  <rr:AnnualReturn2010 contextRef="TwelveMonthsEnded_30Apr2011_C000025646_Member" unitRef="Pure" decimals="4">0.1120</rr:AnnualReturn2010>
  <rr:AnnualReturn2010 contextRef="TwelveMonthsEnded_30Apr2011_C000025649_Member" unitRef="Pure" decimals="4">0.2500</rr:AnnualReturn2010>
  <rr:AnnualReturn2010 contextRef="TwelveMonthsEnded_30Apr2011_C000025641_Member" unitRef="Pure" decimals="4">0.2986</rr:AnnualReturn2010>
  <rr:AnnualReturn2010 contextRef="TwelveMonthsEnded_30Apr2011_C000025643_Member" unitRef="Pure" decimals="4">0.1074</rr:AnnualReturn2010>
  <rr:AnnualReturn2010 contextRef="TwelveMonthsEnded_30Apr2011_C000025640_Member" unitRef="Pure" decimals="4">0.3012</rr:AnnualReturn2010>
  <rr:AnnualReturn2010 contextRef="TwelveMonthsEnded_30Apr2011_C000025655_Member" unitRef="Pure" decimals="4">0.1936</rr:AnnualReturn2010>
  <rr:AnnualReturn2010 contextRef="TwelveMonthsEnded_30Apr2011_C000025633_Member" unitRef="Pure" decimals="4">0.1284</rr:AnnualReturn2010>
  <rr:AnnualReturn2010 contextRef="TwelveMonthsEnded_30Apr2011_C000025650_Member" unitRef="Pure" decimals="4">0.2469</rr:AnnualReturn2010>
  <rr:AnnualReturnCaption contextRef="TwelveMonthsEnded_30Apr2011_S000009359_Member_Prospectus_Seven_Member">TOTAL  RETURN  CALENDAR  YEAR</rr:AnnualReturnCaption>
  <rr:AnnualReturnCaption contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Nine_Member_S000009360_Member">TOTAL  RETURN CALENDAR  YEAR</rr:AnnualReturnCaption>
  <rr:AnnualReturnCaption contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Ten_Member_S000009352_Member">TOTAL RETURN CALENDAR YEAR</rr:AnnualReturnCaption>
  <rr:AnnualReturnCaption contextRef="TwelveMonthsEnded_30Apr2011_S000009358_Member_Prospectus_Twelve_Member">TOTAL  RETURN CALENDAR  YEAR</rr:AnnualReturnCaption>
  <rr:AnnualReturnCaption contextRef="TwelveMonthsEnded_30Apr2011_S000009354_Member_Prospectus_Sixteen_Member">TOTAL RETURN CALENDAR YEAR</rr:AnnualReturnCaption>
  <rr:AnnualReturnCaption contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Three_Member_S000009358_Member">TOTAL  RETURN CALENDAR  YEAR</rr:AnnualReturnCaption>
  <rr:AnnualReturnCaption contextRef="TwelveMonthsEnded_30Apr2011_S000009356_Member_Prospectus_Fifteen_Member">TOTAL RETURN CALENDAR YEAR</rr:AnnualReturnCaption>
  <rr:AnnualReturnCaption contextRef="TwelveMonthsEnded_30Apr2011_S000009355_Member_Prospectus_Thirteen_Member">TOTAL  RETURN CALENDAR  YEAR</rr:AnnualReturnCaption>
  <rr:AnnualReturnCaption contextRef="TwelveMonthsEnded_30Apr2011_S000009352_Member_Prospectus_Six_Member">TOTAL RETURN CALENDAR  YEAR</rr:AnnualReturnCaption>
  <rr:AnnualReturnCaption contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eleven_Member_S000009357_Member">TOTAL  RETURN CALENDAR  YEAR</rr:AnnualReturnCaption>
  <rr:AnnualReturnCaption contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Two_Member_S000009357_Member">TOTAL RETURN CALENDAR  YEAR</rr:AnnualReturnCaption>
  <rr:AnnualReturnCaption contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_One_Member_S000009359_Member">TOTAL RETURN CALENDAR YEAR</rr:AnnualReturnCaption>
  <rr:AnnualReturnCaption contextRef="TwelveMonthsEnded_30Apr2011_S000009361_Member_Prospectus_Seventeen_Member">TOTAL RETURN CALENDAR YEAR</rr:AnnualReturnCaption>
  <rr:AnnualReturnCaption contextRef="TwelveMonthsEnded_30Apr2011_S000009353_Member_Prospectus_Fourteen_Member">TOTAL RETURN CALENDAR YEAR</rr:AnnualReturnCaption>
  <rr:AnnualReturnCaption contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Four_Member_S000009355_Member">TOTAL RETURN CALENDAR YEAR</rr:AnnualReturnCaption>
  <rr:AnnualReturnCaption contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eight_Member_S000009362_Member">TOTAL  RETURN CALENDAR  YEAR</rr:AnnualReturnCaption>
  <rr:AnnualReturnCaption contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Five_Member_S000009356_Member">TOTAL RETURN CALENDAR  YEAR</rr:AnnualReturnCaption>
  <rr:AverageAnnualReturnCaption contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Ten_Member_S000009352_Member">AVERAGE ANNUAL TOTAL RETURN For the period ended December 31, 2010</rr:AverageAnnualReturnCaption>
  <rr:AverageAnnualReturnCaption contextRef="TwelveMonthsEnded_30Apr2011_S000009358_Member_Prospectus_Twelve_Member">AVERAGE ANNUAL TOTAL RETURN For the period ended December 31, 2010</rr:AverageAnnualReturnCaption>
  <rr:AverageAnnualReturnCaption contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Nine_Member_S000009360_Member">AVERAGE ANNUAL TOTAL RETURN For the period ended December 31, 2010</rr:AverageAnnualReturnCaption>
  <rr:AverageAnnualReturnCaption contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_One_Member_S000009359_Member">AVERAGE ANNUAL TOTAL RETURN For the period ended December 31, 2010</rr:AverageAnnualReturnCaption>
  <rr:AverageAnnualReturnCaption contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Four_Member_S000009355_Member">AVERAGE ANNUAL TOTAL RETURN For the period ended December 31, 2010</rr:AverageAnnualReturnCaption>
  <rr:AverageAnnualReturnCaption contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Three_Member_S000009358_Member">AVERAGE ANNUAL TOTAL RETURN For the period ended December 31, 2010</rr:AverageAnnualReturnCaption>
  <rr:AverageAnnualReturnCaption contextRef="TwelveMonthsEnded_30Apr2011_S000009353_Member_Prospectus_Fourteen_Member">AVERAGE ANNUAL TOTAL RETURN For the period ended December 31, 2010</rr:AverageAnnualReturnCaption>
  <rr:AverageAnnualReturnCaption contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Two_Member_S000009357_Member">AVERAGE ANNUAL TOTAL RETURN For the period ended December 31, 2010</rr:AverageAnnualReturnCaption>
  <rr:AverageAnnualReturnCaption contextRef="TwelveMonthsEnded_30Apr2011_S000009361_Member_Prospectus_Seventeen_Member">AVERAGE ANNUAL TOTAL RETURN For the period ended December 31, 2010</rr:AverageAnnualReturnCaption>
  <rr:AverageAnnualReturnCaption contextRef="TwelveMonthsEnded_30Apr2011_S000009352_Member_Prospectus_Six_Member">AVERAGE ANNUAL TOTAL RETURN For the period ended December 31, 2010</rr:AverageAnnualReturnCaption>
  <rr:AverageAnnualReturnCaption contextRef="TwelveMonthsEnded_30Apr2011_S000009354_Member_Prospectus_Sixteen_Member">AVERAGE ANNUAL TOTAL RETURN For the period ended December 31, 2010</rr:AverageAnnualReturnCaption>
  <rr:AverageAnnualReturnCaption contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Five_Member_S000009356_Member">AVERAGE ANNUAL TOTAL RETURN For the period ended December 31, 2010</rr:AverageAnnualReturnCaption>
  <rr:AverageAnnualReturnCaption contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eleven_Member_S000009357_Member">AVERAGE ANNUAL TOTAL RETURN For the period ended December 31, 2010</rr:AverageAnnualReturnCaption>
  <rr:AverageAnnualReturnCaption contextRef="TwelveMonthsEnded_30Apr2011_S000009355_Member_Prospectus_Thirteen_Member">AVERAGE ANNUAL TOTAL RETURN For the period ended December 31, 2010</rr:AverageAnnualReturnCaption>
  <rr:AverageAnnualReturnCaption contextRef="TwelveMonthsEnded_30Apr2011_S000009356_Member_Prospectus_Fifteen_Member">AVERAGE ANNUAL TOTAL RETURN For the period ended December 31, 2010</rr:AverageAnnualReturnCaption>
  <rr:AverageAnnualReturnCaption contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eight_Member_S000009362_Member">AVERAGE ANNUAL TOTAL RETURN For the period ended December 31, 2010</rr:AverageAnnualReturnCaption>
  <rr:AverageAnnualReturnCaption contextRef="TwelveMonthsEnded_30Apr2011_S000009359_Member_Prospectus_Seven_Member">AVERAGE ANNUAL TOTAL RETURN For the period ended December 31, 2010</rr:AverageAnnualReturnCaption>
  <rr:AverageAnnualReturnInceptionDate contextRef="TwelveMonthsEnded_30Apr2011_C000025633_Member">1998-02-13</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="TwelveMonthsEnded_30Apr2011_C000025640_Member">1998-02-13</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="TwelveMonthsEnded_30Apr2011_C000025636_Member">2006-01-09</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="TwelveMonthsEnded_30Apr2011_C00002567_Member">2007-07-24</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="TwelveMonthsEnded_30Apr2011_C000025643_Member">1998-04-30</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="TwelveMonthsEnded_30Apr2011_C000025652_Member">1998-01-12</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="TwelveMonthsEnded_30Apr2011_C000025655_Member">2006-01-09</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="TwelveMonthsEnded_30Apr2011_C000025644_Member">2006-01-09</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="TwelveMonthsEnded_30Apr2011_C000025634_Member">2006-01-09</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="TwelveMonthsEnded_30Apr2011_C000025641_Member">2007-08-31</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="TwelveMonthsEnded_30Apr2011_C000025649_Member">1998-05-01</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="TwelveMonthsEnded_30Apr2011_C000025646_Member">1998-01-12</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="TwelveMonthsEnded_30Apr2011_C000025653_Member">2006-01-09</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="TwelveMonthsEnded_30Apr2011_C000025659_Member">2006-01-09</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="TwelveMonthsEnded_30Apr2011_C000025650_Member">2006-01-09</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="TwelveMonthsEnded_30Apr2011_C000025638_Member">2006-01-09</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="TwelveMonthsEnded_30Apr2011_C000025657_Member">2006-01-09</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="TwelveMonthsEnded_30Apr2011_Russell_Midcap_Growth_Index_Member_Since_Inception_Period_Seven_Member">2006-01-09</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="TwelveMonthsEnded_30Apr2011_S_And_P_Five_Hundred_Index_Member_Since_Inception_Period_Seven_Member">2006-01-09</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="TwelveMonthsEnded_30Apr2011_Russell_One_Thousand_Growth_Index_Member_Since_Inception_Period_Six_Member">1998-04-30</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="TwelveMonthsEnded_30Apr2011_M_S_C_I_E_A_F_E_Net_Index_Member_Since_Inception_Period_Seven_Member">2006-01-09</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="TwelveMonthsEnded_30Apr2011_Russell_Midcap_Value_Index_Member_Since_Inception_Period_Three_Member">1998-05-01</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="TwelveMonthsEnded_30Apr2011_Barclays_Capital_U_S_Aggregate_Bond_Index_Member_Since_Inception_Period_Seven_Member">2006-01-09</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="TwelveMonthsEnded_30Apr2011_Russell_Two_Thousand_Index_Member_Since_Inception_Period_Two_Member">1998-02-13</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="TwelveMonthsEnded_30Apr2011_Russell_One_Thousand_Value_Index_Member_Since_Inception_Period_One_Member">1998-01-12</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="TwelveMonthsEnded_30Apr2011_Russell_Two_Thousand_Index_Member_Since_Inception_Period_Five_Member">2007-08-31</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="TwelveMonthsEnded_30Apr2011_M_S_C_I_E_A_F_E_Net_Index_Member_Since_Inception_Period_One_Member">1998-01-12</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="TwelveMonthsEnded_30Apr2011_Russell_One_Thousand_Value_Index_Member_Since_Inception_Period_Eight_Member">2007-07-24</rr:AverageAnnualReturnInceptionDate>
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  <rr:AverageAnnualReturnInceptionDate contextRef="TwelveMonthsEnded_30Apr2011_Barclays_Capital_Government_Mortgage_Index_Member_Since_Inception_Period_Seven_Member">2006-01-09</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="TwelveMonthsEnded_30Apr2011_Russell_Midcap_Value_Index_Member_Since_Inception_Period_Seven_Member">2006-01-09</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="TwelveMonthsEnded_30Apr2011_S_And_P_Five_Hundred_Index_Member_Since_Inception_Period_Two_Member">1998-02-13</rr:AverageAnnualReturnInceptionDate>
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  <rr:AverageAnnualReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_C000025649_Member">Institutional Shares</rr:AverageAnnualReturnLabel>
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  <rr:AverageAnnualReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_C000025643_Member">Institutional Shares</rr:AverageAnnualReturnLabel>
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  <rr:AverageAnnualReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_M_S_C_I_E_A_F_E_Net_Index_Member_Since_Inception_Period_One_Member">MSCI&lt;sup&gt;&amp;#174;&lt;/sup&gt; EAFE&lt;sup&gt;&amp;#174;&lt;/sup&gt; (net) Index (unhedged)</rr:AverageAnnualReturnLabel>
  <rr:AverageAnnualReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_Russell_Midcap_Growth_Index_Member_Since_Inception_Period_Seven_Member">Russell Midcap&lt;sup&gt;&amp;#174;&lt;/sup&gt; Growth Index</rr:AverageAnnualReturnLabel>
  <rr:AverageAnnualReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_Barclays_Capital_U_S_Aggregate_Bond_Index_Member_Since_Inception_Period_Seven_Member">Barclays Capital U.S. Aggregate Bond Index</rr:AverageAnnualReturnLabel>
  <rr:AverageAnnualReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_Russell_Two_Thousand_Index_Member_Since_Inception_Period_Five_Member">Russell 2000&lt;sup&gt;&amp;#174;&lt;/sup&gt; Index</rr:AverageAnnualReturnLabel>
  <rr:AverageAnnualReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_S_And_P_Five_Hundred_Index_Member_Since_Inception_Period_Seven_Member">S&amp;P 500&lt;sup&gt;&amp;#174;&lt;/sup&gt; Index</rr:AverageAnnualReturnLabel>
  <rr:AverageAnnualReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_Russell_One_Thousand_Value_Index_Member_Since_Inception_Period_Eight_Member">Russell 1000&lt;sup&gt;&amp;#174;&lt;/sup&gt; Value Index</rr:AverageAnnualReturnLabel>
  <rr:AverageAnnualReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_S_And_P_Five_Hundred_Index_Member_Since_Inception_Period_Two_Member">S&amp;P 500&lt;sup&gt;&amp;#174;&lt;/sup&gt; Index</rr:AverageAnnualReturnLabel>
  <rr:AverageAnnualReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_Russell_Midcap_Value_Index_Member_Since_Inception_Period_Seven_Member">Russell Midcap&lt;sup&gt;&amp;#174;&lt;/sup&gt; Value Index</rr:AverageAnnualReturnLabel>
  <rr:AverageAnnualReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_M_S_C_I_E_A_F_E_Net_Index_Member_Since_Inception_Period_Seven_Member">MSCI&lt;sup&gt;&amp;#174;&lt;/sup&gt; EAFE&lt;sup&gt;&amp;#174;&lt;/sup&gt; (net) Index (unhedged)</rr:AverageAnnualReturnLabel>
  <rr:AverageAnnualReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_Russell_One_Thousand_Growth_Index_Member_Since_Inception_Period_Seven_Member">Russell 1000&lt;sup&gt;&amp;#174;&lt;/sup&gt; Growth Index</rr:AverageAnnualReturnLabel>
  <rr:AverageAnnualReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_Russell_One_Thousand_Growth_Index_Member_Since_Inception_Period_Six_Member">Russell 1000&lt;sup&gt;&amp;#174;&lt;/sup&gt; Growth Index</rr:AverageAnnualReturnLabel>
  <rr:AverageAnnualReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_Barclays_Capital_Government_Mortgage_Index_Member_Since_Inception_Period_Seven_Member">Barclays Capital Government/Mortgage Index</rr:AverageAnnualReturnLabel>
  <rr:AverageAnnualReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_Russell_One_Thousand_Value_Index_Member_Since_Inception_Period_One_Member">Russell 1000&lt;sup&gt;&amp;#174;&lt;/sup&gt; Value Index</rr:AverageAnnualReturnLabel>
  <rr:AverageAnnualReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_Russell_Two_Thousand_Index_Member_Since_Inception_Period_Two_Member">Russell 2000&lt;sup&gt;&amp;#174;&lt;/sup&gt; Index</rr:AverageAnnualReturnLabel>
  <rr:AverageAnnualReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_Russell_Midcap_Value_Index_Member_Since_Inception_Period_Three_Member">Russell Midcap&lt;sup&gt;&amp;#174;&lt;/sup&gt; Value Index</rr:AverageAnnualReturnLabel>
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  <rr:AverageAnnualReturnYear10 contextRef="TwelveMonthsEnded_30Apr2011_M_S_C_I_E_A_F_E_Net_Index_Member_Since_Inception_Period_One_Member" unitRef="Pure" decimals="4">0.0350</rr:AverageAnnualReturnYear10>
  <rr:AverageAnnualReturnYear10 contextRef="TwelveMonthsEnded_30Apr2011_Russell_Two_Thousand_Index_Member_Since_Inception_Period_Two_Member" unitRef="Pure" decimals="4">0.0633</rr:AverageAnnualReturnYear10>
  <rr:AverageAnnualReturnYear10 contextRef="TwelveMonthsEnded_30Apr2011_Russell_One_Thousand_Growth_Index_Member_Since_Inception_Period_Six_Member" unitRef="Pure" decimals="4">0.0002</rr:AverageAnnualReturnYear10>
  <rr:AverageAnnualReturnYear10 contextRef="TwelveMonthsEnded_30Apr2011_Russell_Midcap_Value_Index_Member_Since_Inception_Period_Three_Member" unitRef="Pure" decimals="4">0.0806</rr:AverageAnnualReturnYear10>
  <rr:AverageAnnualReturnYear10 contextRef="TwelveMonthsEnded_30Apr2011_Russell_One_Thousand_Value_Index_Member_Since_Inception_Period_One_Member" unitRef="Pure" decimals="4">0.0326</rr:AverageAnnualReturnYear10>
  <rr:BarChartAndPerformanceTableHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Two_Member_S000009357_Member">Performance</rr:BarChartAndPerformanceTableHeading>
  <rr:BarChartAndPerformanceTableHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Three_Member_S000009358_Member">Performance</rr:BarChartAndPerformanceTableHeading>
  <rr:BarChartAndPerformanceTableHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009358_Member_Prospectus_Twelve_Member">Performance</rr:BarChartAndPerformanceTableHeading>
  <rr:BarChartAndPerformanceTableHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Four_Member_S000009355_Member">Performance</rr:BarChartAndPerformanceTableHeading>
  <rr:BarChartAndPerformanceTableHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009354_Member_Prospectus_Sixteen_Member">Performance</rr:BarChartAndPerformanceTableHeading>
  <rr:BarChartAndPerformanceTableHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009359_Member_Prospectus_Seven_Member">Performance</rr:BarChartAndPerformanceTableHeading>
  <rr:BarChartAndPerformanceTableHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009355_Member_Prospectus_Thirteen_Member">Performance</rr:BarChartAndPerformanceTableHeading>
  <rr:BarChartAndPerformanceTableHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009353_Member_Prospectus_Fourteen_Member">Performance</rr:BarChartAndPerformanceTableHeading>
  <rr:BarChartAndPerformanceTableHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Nine_Member_S000009360_Member">Performance</rr:BarChartAndPerformanceTableHeading>
  <rr:BarChartAndPerformanceTableHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Five_Member_S000009356_Member">Performance</rr:BarChartAndPerformanceTableHeading>
  <rr:BarChartAndPerformanceTableHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eleven_Member_S000009357_Member">Performance</rr:BarChartAndPerformanceTableHeading>
  <rr:BarChartAndPerformanceTableHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eight_Member_S000009362_Member">Performance</rr:BarChartAndPerformanceTableHeading>
  <rr:BarChartAndPerformanceTableHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009361_Member_Prospectus_Seventeen_Member">Performance</rr:BarChartAndPerformanceTableHeading>
  <rr:BarChartAndPerformanceTableHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Ten_Member_S000009352_Member">Performance</rr:BarChartAndPerformanceTableHeading>
  <rr:BarChartAndPerformanceTableHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009352_Member_Prospectus_Six_Member">Performance</rr:BarChartAndPerformanceTableHeading>
  <rr:BarChartAndPerformanceTableHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_One_Member_S000009359_Member">Performance</rr:BarChartAndPerformanceTableHeading>
  <rr:BarChartAndPerformanceTableHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009356_Member_Prospectus_Fifteen_Member">Performance</rr:BarChartAndPerformanceTableHeading>
  <rr:BarChartClosingTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Three_Member_S000009358_Member">&lt;p&gt;Best Quarter&lt;/p&gt;&lt;p&gt;Q3 &amp;#8217;09 +19.89%&lt;/p&gt;&lt;p&gt;Worst Quarter&lt;/p&gt;&lt;p&gt;Q4 &amp;#8217;08 -24.05%&lt;/p&gt;</rr:BarChartClosingTextBlock>
  <rr:BarChartClosingTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Five_Member_S000009356_Member">&lt;p&gt;Best Quarter&lt;/p&gt;
&lt;p&gt;Q2 &amp;#8217;09        +21.79%&lt;/p&gt;
&lt;p&gt;Worst Quarter&lt;/p&gt;
&lt;p&gt;Q4 &amp;#8217;08        &amp;#8211;28.15%&lt;/p&gt;</rr:BarChartClosingTextBlock>
  <rr:BarChartClosingTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009358_Member_Prospectus_Twelve_Member">&lt;p&gt;Best Quarter&lt;/p&gt;&lt;p&gt;Q3 &amp;#8217;09 + 19.76%&lt;/p&gt;&lt;p&gt;Worst Quarter&lt;/p&gt;&lt;p&gt;Q4 &amp;#8217;08 &amp;#8211;24.06%&lt;/p&gt;</rr:BarChartClosingTextBlock>
  <rr:BarChartClosingTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eleven_Member_S000009357_Member">&lt;p&gt;Best Quarter&lt;/p&gt;&lt;p&gt;Q3 &amp;#8216;09 +15.09%&lt;/p&gt;&lt;p&gt;Worst Quarter&lt;/p&gt;&lt;p&gt;Q4 &amp;#8216;08 &amp;#8211;20.04%&lt;/p&gt;</rr:BarChartClosingTextBlock>
  <rr:BarChartClosingTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009356_Member_Prospectus_Fifteen_Member">&lt;p&gt;Best Quarter&lt;/p&gt;&lt;p&gt;Q2 &amp;#8217;09 +21.82%&lt;/p&gt;&lt;p&gt;Worst Quarter&lt;/p&gt;&lt;p&gt;Q4 &amp;#8217;08 &amp;#8211;28.25%&lt;/p&gt;</rr:BarChartClosingTextBlock>
  <rr:BarChartClosingTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eight_Member_S000009362_Member">&lt;p&gt;Best Quarter&lt;/p&gt;
&lt;p&gt;Q3 &amp;#8217;09          +4.07%&lt;/p&gt;
&lt;p&gt;Worst Quarter&lt;/p&gt;
&lt;p&gt;Q4 &amp;#8217;10          &amp;#8211;1.25%&lt;/p&gt;</rr:BarChartClosingTextBlock>
  <rr:BarChartClosingTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009355_Member_Prospectus_Thirteen_Member">&lt;p&gt;Best Quarter&lt;/p&gt;&lt;p&gt;Q3 &amp;#8216;09 +21.09%&lt;/p&gt;&lt;p&gt;Worst Quarter&lt;/p&gt;&lt;p&gt;Q4&amp;#8216;08 &amp;#8211;24.99%&lt;/p&gt;</rr:BarChartClosingTextBlock>
  <rr:BarChartClosingTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009361_Member_Prospectus_Seventeen_Member">&lt;p&gt;Best Quarter&lt;/p&gt;&lt;p&gt;Q2 &amp;#8217;09 +15.93%&lt;/p&gt;&lt;p&gt;Worst Quarter&lt;/p&gt;&lt;p&gt;Q4 &amp;#8217;08 -22.04%&lt;/p&gt;</rr:BarChartClosingTextBlock>
  <rr:BarChartClosingTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Ten_Member_S000009352_Member">&lt;p&gt;Best Quarter&lt;/p&gt;&lt;p&gt;Q3 &amp;#8217;09 + 14.43%&lt;/p&gt;&lt;p&gt;Worst Quarter&lt;/p&gt;&lt;p&gt;Q4 &amp;#8217;08 &amp;#8211;21.05%&lt;/p&gt;</rr:BarChartClosingTextBlock>
  <rr:BarChartClosingTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Nine_Member_S000009360_Member">&lt;p&gt;Best Quarter&lt;/p&gt;
&lt;p&gt;Q2 &amp;#8217;09        +22.82%&lt;/p&gt;
&lt;p&gt;Worst Quarter&lt;/p&gt;
&lt;p&gt;Q4 &amp;#8217;08        &amp;#8211;29.56%&lt;/p&gt;</rr:BarChartClosingTextBlock>
  <rr:BarChartClosingTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009352_Member_Prospectus_Six_Member">&lt;p&gt;Best Quarter&lt;/p&gt;&lt;p&gt;Q3 &amp;#8217;09 +14.43%&lt;/p&gt;&lt;p&gt;Worst Quarter&lt;/p&gt;&lt;p&gt;Q4 &amp;#8217;08 &amp;#8211;20.96%&lt;/p&gt;</rr:BarChartClosingTextBlock>
  <rr:BarChartClosingTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Two_Member_S000009357_Member">&lt;p&gt;Best Quarter&lt;/p&gt;
&lt;p&gt;Q3 &amp;#8216;09      +15.24%&lt;/p&gt;
&lt;p&gt;Worst Quarter&lt;/p&gt;
&lt;p&gt;Q4 &amp;#8216;08        &amp;#8211;20.03%&lt;/p&gt;</rr:BarChartClosingTextBlock>
  <rr:BarChartClosingTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009359_Member_Prospectus_Seven_Member">&lt;p&gt;Best Quarter&lt;/p&gt;&lt;p&gt;Q2 &amp;#8217;09        +20.53%&lt;/p&gt;&lt;p&gt;Worst Quarter&lt;/p&gt;&lt;p&gt;Q3 &amp;#8217;08        -21.91%&lt;/p&gt;</rr:BarChartClosingTextBlock>
  <rr:BarChartClosingTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009353_Member_Prospectus_Fourteen_Member">&lt;p&gt;Best Quarter&lt;/p&gt;&lt;p&gt;Q3 &amp;#8217;09 +8.08%&lt;/p&gt;&lt;p&gt;Worst Quarter&lt;/p&gt;&lt;p&gt;Q3 &amp;#8217;08 &amp;#8211; 4.49%&lt;/p&gt;</rr:BarChartClosingTextBlock>
  <rr:BarChartClosingTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_One_Member_S000009359_Member">&lt;p&gt;Best Quarter&lt;/p&gt;&lt;p&gt;Q2 &amp;#8217;09 +20.74%&lt;/p&gt;&lt;p&gt;Worst Quarter&lt;/p&gt;&lt;p&gt;Q3 &amp;#8217;08 &amp;#8211;21.81%&lt;/p&gt;</rr:BarChartClosingTextBlock>
  <rr:BarChartClosingTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Four_Member_S000009355_Member">&lt;p&gt;Best Quarter&lt;/p&gt;&lt;p&gt;Q2 &amp;#8216;03 +21.89%&lt;/p&gt;&lt;p&gt;Worst Quarter&lt;/p&gt;&lt;p&gt;Q4 &amp;#8216;08 &amp;#8211;24.99%&lt;/p&gt;</rr:BarChartClosingTextBlock>
  <rr:BarChartClosingTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009354_Member_Prospectus_Sixteen_Member">&lt;p&gt;Best Quarter&lt;/p&gt;&lt;p&gt;Q3 &amp;#8217;07 +1.25%&lt;/p&gt;&lt;p&gt;Worst Quarter&lt;/p&gt;&lt;p&gt;Q2 &amp;#8217;10 +0.00%&lt;/p&gt;</rr:BarChartClosingTextBlock>
  <rr:BarChartHighestQuarterlyReturn contextRef="TwelveMonthsEnded_30Apr2011_C000025638_Member" unitRef="Pure" decimals="4">0.0125</rr:BarChartHighestQuarterlyReturn>
  <rr:BarChartHighestQuarterlyReturn contextRef="TwelveMonthsEnded_30Apr2011_C000025655_Member" unitRef="Pure" decimals="4">0.2282</rr:BarChartHighestQuarterlyReturn>
  <rr:BarChartHighestQuarterlyReturn contextRef="TwelveMonthsEnded_30Apr2011_C000025652_Member" unitRef="Pure" decimals="4">0.2074</rr:BarChartHighestQuarterlyReturn>
  <rr:BarChartHighestQuarterlyReturn contextRef="TwelveMonthsEnded_30Apr2011_C000025633_Member" unitRef="Pure" decimals="4">0.1443</rr:BarChartHighestQuarterlyReturn>
  <rr:BarChartHighestQuarterlyReturn contextRef="TwelveMonthsEnded_30Apr2011_C000025649_Member" unitRef="Pure" decimals="4">0.1989</rr:BarChartHighestQuarterlyReturn>
  <rr:BarChartHighestQuarterlyReturn contextRef="TwelveMonthsEnded_30Apr2011_C000025643_Member" unitRef="Pure" decimals="4">0.2179</rr:BarChartHighestQuarterlyReturn>
  <rr:BarChartHighestQuarterlyReturn contextRef="TwelveMonthsEnded_30Apr2011_C000025659_Member" unitRef="Pure" decimals="4">0.0407</rr:BarChartHighestQuarterlyReturn>
  <rr:BarChartHighestQuarterlyReturn contextRef="TwelveMonthsEnded_30Apr2011_C000025641_Member" unitRef="Pure" decimals="4">0.2109</rr:BarChartHighestQuarterlyReturn>
  <rr:BarChartHighestQuarterlyReturn contextRef="TwelveMonthsEnded_30Apr2011_C000025640_Member" unitRef="Pure" decimals="4">0.2189</rr:BarChartHighestQuarterlyReturn>
  <rr:BarChartHighestQuarterlyReturn contextRef="TwelveMonthsEnded_30Apr2011_C000025653_Member" unitRef="Pure" decimals="4">0.2053</rr:BarChartHighestQuarterlyReturn>
  <rr:BarChartHighestQuarterlyReturn contextRef="TwelveMonthsEnded_30Apr2011_C00002567_Member" unitRef="Pure" decimals="4">0.1509</rr:BarChartHighestQuarterlyReturn>
  <rr:BarChartHighestQuarterlyReturn contextRef="TwelveMonthsEnded_30Apr2011_C000025634_Member" unitRef="Pure" decimals="4">0.1443</rr:BarChartHighestQuarterlyReturn>
  <rr:BarChartHighestQuarterlyReturn contextRef="TwelveMonthsEnded_30Apr2011_C000025646_Member" unitRef="Pure" decimals="4">0.1524</rr:BarChartHighestQuarterlyReturn>
  <rr:BarChartHighestQuarterlyReturn contextRef="TwelveMonthsEnded_30Apr2011_C000025657_Member" unitRef="Pure" decimals="4">0.1593</rr:BarChartHighestQuarterlyReturn>
  <rr:BarChartHighestQuarterlyReturn contextRef="TwelveMonthsEnded_30Apr2011_C000025636_Member" unitRef="Pure" decimals="4">0.0808</rr:BarChartHighestQuarterlyReturn>
  <rr:BarChartHighestQuarterlyReturn contextRef="TwelveMonthsEnded_30Apr2011_C000025644_Member" unitRef="Pure" decimals="4">0.2182</rr:BarChartHighestQuarterlyReturn>
  <rr:BarChartHighestQuarterlyReturn contextRef="TwelveMonthsEnded_30Apr2011_C000025650_Member" unitRef="Pure" decimals="4">0.1976</rr:BarChartHighestQuarterlyReturn>
  <rr:BarChartHighestQuarterlyReturnDate contextRef="TwelveMonthsEnded_30Apr2011_C000025650_Member">2009-09-30</rr:BarChartHighestQuarterlyReturnDate>
  <rr:BarChartHighestQuarterlyReturnDate contextRef="TwelveMonthsEnded_30Apr2011_C000025657_Member">2009-06-30</rr:BarChartHighestQuarterlyReturnDate>
  <rr:BarChartHighestQuarterlyReturnDate contextRef="TwelveMonthsEnded_30Apr2011_C000025655_Member">2009-06-30</rr:BarChartHighestQuarterlyReturnDate>
  <rr:BarChartHighestQuarterlyReturnDate contextRef="TwelveMonthsEnded_30Apr2011_C000025659_Member">2009-09-30</rr:BarChartHighestQuarterlyReturnDate>
  <rr:BarChartHighestQuarterlyReturnDate contextRef="TwelveMonthsEnded_30Apr2011_C000025652_Member">2009-06-30</rr:BarChartHighestQuarterlyReturnDate>
  <rr:BarChartHighestQuarterlyReturnDate contextRef="TwelveMonthsEnded_30Apr2011_C000025646_Member">2009-09-30</rr:BarChartHighestQuarterlyReturnDate>
  <rr:BarChartHighestQuarterlyReturnDate contextRef="TwelveMonthsEnded_30Apr2011_C00002567_Member">2009-09-30</rr:BarChartHighestQuarterlyReturnDate>
  <rr:BarChartHighestQuarterlyReturnDate contextRef="TwelveMonthsEnded_30Apr2011_C000025649_Member">2009-09-30</rr:BarChartHighestQuarterlyReturnDate>
  <rr:BarChartHighestQuarterlyReturnDate contextRef="TwelveMonthsEnded_30Apr2011_C000025638_Member">2007-09-30</rr:BarChartHighestQuarterlyReturnDate>
  <rr:BarChartHighestQuarterlyReturnDate contextRef="TwelveMonthsEnded_30Apr2011_C000025641_Member">2009-09-30</rr:BarChartHighestQuarterlyReturnDate>
  <rr:BarChartHighestQuarterlyReturnDate contextRef="TwelveMonthsEnded_30Apr2011_C000025633_Member">2009-09-30</rr:BarChartHighestQuarterlyReturnDate>
  <rr:BarChartHighestQuarterlyReturnDate contextRef="TwelveMonthsEnded_30Apr2011_C000025634_Member">2009-09-30</rr:BarChartHighestQuarterlyReturnDate>
  <rr:BarChartHighestQuarterlyReturnDate contextRef="TwelveMonthsEnded_30Apr2011_C000025636_Member">2009-09-30</rr:BarChartHighestQuarterlyReturnDate>
  <rr:BarChartHighestQuarterlyReturnDate contextRef="TwelveMonthsEnded_30Apr2011_C000025640_Member">2003-06-30</rr:BarChartHighestQuarterlyReturnDate>
  <rr:BarChartHighestQuarterlyReturnDate contextRef="TwelveMonthsEnded_30Apr2011_C000025653_Member">2009-06-30</rr:BarChartHighestQuarterlyReturnDate>
  <rr:BarChartHighestQuarterlyReturnDate contextRef="TwelveMonthsEnded_30Apr2011_C000025643_Member">2009-06-30</rr:BarChartHighestQuarterlyReturnDate>
  <rr:BarChartHighestQuarterlyReturnDate contextRef="TwelveMonthsEnded_30Apr2011_C000025644_Member">2009-06-30</rr:BarChartHighestQuarterlyReturnDate>
  <rr:BarChartLowestQuarterlyReturn contextRef="TwelveMonthsEnded_30Apr2011_C000025655_Member" unitRef="Pure" decimals="4">-0.2956</rr:BarChartLowestQuarterlyReturn>
  <rr:BarChartLowestQuarterlyReturn contextRef="TwelveMonthsEnded_30Apr2011_C000025634_Member" unitRef="Pure" decimals="4">-0.2105</rr:BarChartLowestQuarterlyReturn>
  <rr:BarChartLowestQuarterlyReturn contextRef="TwelveMonthsEnded_30Apr2011_C000025644_Member" unitRef="Pure" decimals="4">-0.2825</rr:BarChartLowestQuarterlyReturn>
  <rr:BarChartLowestQuarterlyReturn contextRef="TwelveMonthsEnded_30Apr2011_C000025636_Member" unitRef="Pure" decimals="4">-0.0449</rr:BarChartLowestQuarterlyReturn>
  <rr:BarChartLowestQuarterlyReturn contextRef="TwelveMonthsEnded_30Apr2011_C000025638_Member" unitRef="Pure" decimals="4">0.0000</rr:BarChartLowestQuarterlyReturn>
  <rr:BarChartLowestQuarterlyReturn contextRef="TwelveMonthsEnded_30Apr2011_C000025640_Member" unitRef="Pure" decimals="4">-0.2499</rr:BarChartLowestQuarterlyReturn>
  <rr:BarChartLowestQuarterlyReturn contextRef="TwelveMonthsEnded_30Apr2011_C000025646_Member" unitRef="Pure" decimals="4">-0.2003</rr:BarChartLowestQuarterlyReturn>
  <rr:BarChartLowestQuarterlyReturn contextRef="TwelveMonthsEnded_30Apr2011_C000025657_Member" unitRef="Pure" decimals="4">-0.2204</rr:BarChartLowestQuarterlyReturn>
  <rr:BarChartLowestQuarterlyReturn contextRef="TwelveMonthsEnded_30Apr2011_C000025652_Member" unitRef="Pure" decimals="4">-0.2181</rr:BarChartLowestQuarterlyReturn>
  <rr:BarChartLowestQuarterlyReturn contextRef="TwelveMonthsEnded_30Apr2011_C000025633_Member" unitRef="Pure" decimals="4">-0.2096</rr:BarChartLowestQuarterlyReturn>
  <rr:BarChartLowestQuarterlyReturn contextRef="TwelveMonthsEnded_30Apr2011_C00002567_Member" unitRef="Pure" decimals="4">-0.2004</rr:BarChartLowestQuarterlyReturn>
  <rr:BarChartLowestQuarterlyReturn contextRef="TwelveMonthsEnded_30Apr2011_C000025649_Member" unitRef="Pure" decimals="4">-0.2405</rr:BarChartLowestQuarterlyReturn>
  <rr:BarChartLowestQuarterlyReturn contextRef="TwelveMonthsEnded_30Apr2011_C000025650_Member" unitRef="Pure" decimals="4">-0.2406</rr:BarChartLowestQuarterlyReturn>
  <rr:BarChartLowestQuarterlyReturn contextRef="TwelveMonthsEnded_30Apr2011_C000025653_Member" unitRef="Pure" decimals="4">-0.2191</rr:BarChartLowestQuarterlyReturn>
  <rr:BarChartLowestQuarterlyReturn contextRef="TwelveMonthsEnded_30Apr2011_C000025643_Member" unitRef="Pure" decimals="4">-0.2815</rr:BarChartLowestQuarterlyReturn>
  <rr:BarChartLowestQuarterlyReturn contextRef="TwelveMonthsEnded_30Apr2011_C000025641_Member" unitRef="Pure" decimals="4">-0.2499</rr:BarChartLowestQuarterlyReturn>
  <rr:BarChartLowestQuarterlyReturn contextRef="TwelveMonthsEnded_30Apr2011_C000025659_Member" unitRef="Pure" decimals="4">-0.0125</rr:BarChartLowestQuarterlyReturn>
  <rr:BarChartLowestQuarterlyReturnDate contextRef="TwelveMonthsEnded_30Apr2011_C000025643_Member">2008-12-31</rr:BarChartLowestQuarterlyReturnDate>
  <rr:BarChartLowestQuarterlyReturnDate contextRef="TwelveMonthsEnded_30Apr2011_C000025640_Member">2008-12-31</rr:BarChartLowestQuarterlyReturnDate>
  <rr:BarChartLowestQuarterlyReturnDate contextRef="TwelveMonthsEnded_30Apr2011_C000025633_Member">2008-12-31</rr:BarChartLowestQuarterlyReturnDate>
  <rr:BarChartLowestQuarterlyReturnDate contextRef="TwelveMonthsEnded_30Apr2011_C000025655_Member">2008-12-31</rr:BarChartLowestQuarterlyReturnDate>
  <rr:BarChartLowestQuarterlyReturnDate contextRef="TwelveMonthsEnded_30Apr2011_C000025636_Member">2008-09-30</rr:BarChartLowestQuarterlyReturnDate>
  <rr:BarChartLowestQuarterlyReturnDate contextRef="TwelveMonthsEnded_30Apr2011_C000025644_Member">2008-12-31</rr:BarChartLowestQuarterlyReturnDate>
  <rr:BarChartLowestQuarterlyReturnDate contextRef="TwelveMonthsEnded_30Apr2011_C000025634_Member">2008-12-31</rr:BarChartLowestQuarterlyReturnDate>
  <rr:BarChartLowestQuarterlyReturnDate contextRef="TwelveMonthsEnded_30Apr2011_C000025653_Member">2008-09-30</rr:BarChartLowestQuarterlyReturnDate>
  <rr:BarChartLowestQuarterlyReturnDate contextRef="TwelveMonthsEnded_30Apr2011_C000025646_Member">2008-12-31</rr:BarChartLowestQuarterlyReturnDate>
  <rr:BarChartLowestQuarterlyReturnDate contextRef="TwelveMonthsEnded_30Apr2011_C000025657_Member">2008-12-31</rr:BarChartLowestQuarterlyReturnDate>
  <rr:BarChartLowestQuarterlyReturnDate contextRef="TwelveMonthsEnded_30Apr2011_C00002567_Member">2008-12-31</rr:BarChartLowestQuarterlyReturnDate>
  <rr:BarChartLowestQuarterlyReturnDate contextRef="TwelveMonthsEnded_30Apr2011_C000025638_Member">2010-06-30</rr:BarChartLowestQuarterlyReturnDate>
  <rr:BarChartLowestQuarterlyReturnDate contextRef="TwelveMonthsEnded_30Apr2011_C000025652_Member">2008-09-30</rr:BarChartLowestQuarterlyReturnDate>
  <rr:BarChartLowestQuarterlyReturnDate contextRef="TwelveMonthsEnded_30Apr2011_C000025641_Member">2008-12-31</rr:BarChartLowestQuarterlyReturnDate>
  <rr:BarChartLowestQuarterlyReturnDate contextRef="TwelveMonthsEnded_30Apr2011_C000025650_Member">2008-12-31</rr:BarChartLowestQuarterlyReturnDate>
  <rr:BarChartLowestQuarterlyReturnDate contextRef="TwelveMonthsEnded_30Apr2011_C000025649_Member">2008-12-31</rr:BarChartLowestQuarterlyReturnDate>
  <rr:BarChartLowestQuarterlyReturnDate contextRef="TwelveMonthsEnded_30Apr2011_C000025659_Member">2010-12-31</rr:BarChartLowestQuarterlyReturnDate>
  <rr:BarChartTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eight_Member_S000009362_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/AnnualTotalReturnsBarChartGoldmanSachsGovernmentIncomeFundServiceShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009362_Member *
row dei_LegalEntityAxis  compact gssqx_Prospectus_Eight_Member *
~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:BarChartTableTextBlock>
  <rr:BarChartTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009352_Member_Prospectus_Six_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/AnnualTotalReturnsBarChartGoldmanSachsStructuredUSEquityFundInstitutionalShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
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~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:BarChartTableTextBlock>
  <rr:BarChartTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009361_Member_Prospectus_Seventeen_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/AnnualTotalReturnsBarChartGoldmanSachsEquityIndexFundServiceShares
column period compact *
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~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:BarChartTableTextBlock>
  <rr:BarChartTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009356_Member_Prospectus_Fifteen_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/AnnualTotalReturnsBarChartGoldmanSachsStrategicGrowthFundServiceShares
column period compact *
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row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009356_Member *
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~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:BarChartTableTextBlock>
  <rr:BarChartTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009354_Member_Prospectus_Sixteen_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/AnnualTotalReturnsBarChartGoldmanSachsMoneyMarketFundServiceShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009354_Member *
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~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:BarChartTableTextBlock>
  <rr:BarChartTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Nine_Member_S000009360_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/AnnualTotalReturnsBarChartGoldmanSachsGrowthOpportunitiesFundServiceShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009360_Member *
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~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:BarChartTableTextBlock>
  <rr:BarChartTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Ten_Member_S000009352_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/AnnualTotalReturnsBarChartGoldmanSachsStructuredUSEquityFundServiceShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009352_Member *
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~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:BarChartTableTextBlock>
  <rr:BarChartTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Two_Member_S000009357_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/AnnualTotalReturnsBarChartGoldmanSachsLargeCapValueFundInstitutionalShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
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~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:BarChartTableTextBlock>
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column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009357_Member *
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~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:BarChartTableTextBlock>
  <rr:BarChartTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009359_Member_Prospectus_Seven_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/AnnualTotalReturnsBarChartGoldmanSachsStrategicInternationalEquityFundServiceShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009359_Member *
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~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:BarChartTableTextBlock>
  <rr:BarChartTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009355_Member_Prospectus_Thirteen_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/AnnualTotalReturnsBarChartGoldmanSachsStructuredSmallCapEquityFundServiceShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009355_Member *
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~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:BarChartTableTextBlock>
  <rr:BarChartTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Three_Member_S000009358_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/AnnualTotalReturnsBarChartGoldmanSachsMidCapValueFundInstitutionalShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
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~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:BarChartTableTextBlock>
  <rr:BarChartTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_One_Member_S000009359_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/AnnualTotalReturnsBarChartGoldmanSachsStrategicInternationalEquityFundInstitutionalShares
column period compact *
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row primary compact *
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~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:BarChartTableTextBlock>
  <rr:BarChartTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009353_Member_Prospectus_Fourteen_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/AnnualTotalReturnsBarChartGoldmanSachsCoreFixedIncomeFundServiceShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
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~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:BarChartTableTextBlock>
  <rr:BarChartTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009358_Member_Prospectus_Twelve_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/AnnualTotalReturnsBarChartGoldmanSachsMidCapValueFundServiceShares
column period compact *
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column period compact *
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column period compact *
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~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:BarChartTableTextBlock>
  <rr:DistributionAndService12b1FeesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025646_Member" unitRef="Pure" decimals="4">0.0000</rr:DistributionAndService12b1FeesOverAssets>
  <rr:DistributionAndService12b1FeesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025652_Member" unitRef="Pure" decimals="4">0.0000</rr:DistributionAndService12b1FeesOverAssets>
  <rr:DistributionAndService12b1FeesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C00002567_Member" unitRef="Pure" decimals="4">0.0025</rr:DistributionAndService12b1FeesOverAssets>
  <rr:DistributionAndService12b1FeesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025659_Member" unitRef="Pure" decimals="4">0.0025</rr:DistributionAndService12b1FeesOverAssets>
  <rr:DistributionAndService12b1FeesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025634_Member" unitRef="Pure" decimals="4">0.0025</rr:DistributionAndService12b1FeesOverAssets>
  <rr:DistributionAndService12b1FeesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025643_Member" unitRef="Pure" decimals="4">0.0000</rr:DistributionAndService12b1FeesOverAssets>
  <rr:DistributionAndService12b1FeesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025638_Member" unitRef="Pure" decimals="4">0.0025</rr:DistributionAndService12b1FeesOverAssets>
  <rr:DistributionAndService12b1FeesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025633_Member" unitRef="Pure" decimals="4">0.0000</rr:DistributionAndService12b1FeesOverAssets>
  <rr:DistributionAndService12b1FeesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025640_Member" unitRef="Pure" decimals="4">0.0000</rr:DistributionAndService12b1FeesOverAssets>
  <rr:DistributionAndService12b1FeesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025649_Member" unitRef="Pure" decimals="4">0.0000</rr:DistributionAndService12b1FeesOverAssets>
  <rr:DistributionAndService12b1FeesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025641_Member" unitRef="Pure" decimals="4">0.0025</rr:DistributionAndService12b1FeesOverAssets>
  <rr:DistributionAndService12b1FeesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025650_Member" unitRef="Pure" decimals="4">0.0025</rr:DistributionAndService12b1FeesOverAssets>
  <rr:DistributionAndService12b1FeesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025655_Member" unitRef="Pure" decimals="4">0.0025</rr:DistributionAndService12b1FeesOverAssets>
  <rr:DistributionAndService12b1FeesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025644_Member" unitRef="Pure" decimals="4">0.0025</rr:DistributionAndService12b1FeesOverAssets>
  <rr:DistributionAndService12b1FeesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025657_Member" unitRef="Pure" decimals="4">0.0025</rr:DistributionAndService12b1FeesOverAssets>
  <rr:DistributionAndService12b1FeesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025636_Member" unitRef="Pure" decimals="4">0.0025</rr:DistributionAndService12b1FeesOverAssets>
  <rr:DistributionAndService12b1FeesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025653_Member" unitRef="Pure" decimals="4">0.0025</rr:DistributionAndService12b1FeesOverAssets>
  <rr:ExpenseExampleByYearColumnName contextRef="TwelveMonthsEnded_30Apr2011_C000025657_Member">Service Shares</rr:ExpenseExampleByYearColumnName>
  <rr:ExpenseExampleByYearColumnName contextRef="TwelveMonthsEnded_30Apr2011_C000025636_Member">Service Shares</rr:ExpenseExampleByYearColumnName>
  <rr:ExpenseExampleByYearColumnName contextRef="TwelveMonthsEnded_30Apr2011_C000025634_Member">Service Shares</rr:ExpenseExampleByYearColumnName>
  <rr:ExpenseExampleByYearColumnName contextRef="TwelveMonthsEnded_30Apr2011_C000025633_Member">Institutional Shares</rr:ExpenseExampleByYearColumnName>
  <rr:ExpenseExampleByYearColumnName contextRef="TwelveMonthsEnded_30Apr2011_C000025638_Member">Service Shares</rr:ExpenseExampleByYearColumnName>
  <rr:ExpenseExampleByYearColumnName contextRef="TwelveMonthsEnded_30Apr2011_C000025655_Member">Service Shares</rr:ExpenseExampleByYearColumnName>
  <rr:ExpenseExampleByYearColumnName contextRef="TwelveMonthsEnded_30Apr2011_C000025646_Member">Institutional Shares</rr:ExpenseExampleByYearColumnName>
  <rr:ExpenseExampleByYearColumnName contextRef="TwelveMonthsEnded_30Apr2011_C000025649_Member">Institutional Shares</rr:ExpenseExampleByYearColumnName>
  <rr:ExpenseExampleByYearColumnName contextRef="TwelveMonthsEnded_30Apr2011_C000025640_Member">Institutional Shares</rr:ExpenseExampleByYearColumnName>
  <rr:ExpenseExampleByYearColumnName contextRef="TwelveMonthsEnded_30Apr2011_C000025652_Member">Institutional Shares</rr:ExpenseExampleByYearColumnName>
  <rr:ExpenseExampleByYearColumnName contextRef="TwelveMonthsEnded_30Apr2011_C000025653_Member">Service Shares</rr:ExpenseExampleByYearColumnName>
  <rr:ExpenseExampleByYearColumnName contextRef="TwelveMonthsEnded_30Apr2011_C000025650_Member">Service Shares</rr:ExpenseExampleByYearColumnName>
  <rr:ExpenseExampleByYearColumnName contextRef="TwelveMonthsEnded_30Apr2011_C000025641_Member">Service Shares</rr:ExpenseExampleByYearColumnName>
  <rr:ExpenseExampleByYearColumnName contextRef="TwelveMonthsEnded_30Apr2011_C000025643_Member">Institutional Shares</rr:ExpenseExampleByYearColumnName>
  <rr:ExpenseExampleByYearColumnName contextRef="TwelveMonthsEnded_30Apr2011_C000025659_Member">Service Shares</rr:ExpenseExampleByYearColumnName>
  <rr:ExpenseExampleByYearColumnName contextRef="TwelveMonthsEnded_30Apr2011_C000025644_Member">Service Shares</rr:ExpenseExampleByYearColumnName>
  <rr:ExpenseExampleByYearColumnName contextRef="TwelveMonthsEnded_30Apr2011_C00002567_Member">Service Shares</rr:ExpenseExampleByYearColumnName>
  <rr:ExpenseExampleHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Two_Member_S000009357_Member">Expense Example</rr:ExpenseExampleHeading>
  <rr:ExpenseExampleHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Five_Member_S000009356_Member">Expense Example</rr:ExpenseExampleHeading>
  <rr:ExpenseExampleHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009358_Member_Prospectus_Twelve_Member">Expense Example</rr:ExpenseExampleHeading>
  <rr:ExpenseExampleHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009361_Member_Prospectus_Seventeen_Member">Expense Example</rr:ExpenseExampleHeading>
  <rr:ExpenseExampleHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009355_Member_Prospectus_Thirteen_Member">Expense Example</rr:ExpenseExampleHeading>
  <rr:ExpenseExampleHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Nine_Member_S000009360_Member">Expense Example</rr:ExpenseExampleHeading>
  <rr:ExpenseExampleHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_One_Member_S000009359_Member">Expense Example</rr:ExpenseExampleHeading>
  <rr:ExpenseExampleHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Four_Member_S000009355_Member">Expense Example</rr:ExpenseExampleHeading>
  <rr:ExpenseExampleHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Ten_Member_S000009352_Member">Expense Example</rr:ExpenseExampleHeading>
  <rr:ExpenseExampleHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eight_Member_S000009362_Member">Expense Example</rr:ExpenseExampleHeading>
  <rr:ExpenseExampleHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009354_Member_Prospectus_Sixteen_Member">Expense Example</rr:ExpenseExampleHeading>
  <rr:ExpenseExampleHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eleven_Member_S000009357_Member">Expense Example</rr:ExpenseExampleHeading>
  <rr:ExpenseExampleHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009353_Member_Prospectus_Fourteen_Member">Expense Example</rr:ExpenseExampleHeading>
  <rr:ExpenseExampleHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009352_Member_Prospectus_Six_Member">Expense Example</rr:ExpenseExampleHeading>
  <rr:ExpenseExampleHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009356_Member_Prospectus_Fifteen_Member">Expense Example</rr:ExpenseExampleHeading>
  <rr:ExpenseExampleHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009359_Member_Prospectus_Seven_Member">Expense Example</rr:ExpenseExampleHeading>
  <rr:ExpenseExampleHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Three_Member_S000009358_Member">Expense Example</rr:ExpenseExampleHeading>
  <rr:ExpenseExampleNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009355_Member_Prospectus_Thirteen_Member">&lt;p&gt;This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. This Example does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option. Had those fees and expenses been included, the costs shown below would be higher.&lt;/p&gt;&lt;p&gt;The Example assumes that you invest $10,000 in Service Shares of the Fund for the time periods indicated and then redeem all of your Service Shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund&amp;#8217;s operating expenses remain the same (except that the Example incorporates the management fee waiver and expense limitation arrangements for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:&lt;/p&gt;</rr:ExpenseExampleNarrativeTextBlock>
  <rr:ExpenseExampleNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009352_Member_Prospectus_Six_Member">&lt;p&gt;This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. This Example does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option. Had those fees and expenses been included, the costs shown below would be higher.&lt;/p&gt;&lt;p&gt;The Example assumes that you invest $10,000 in Institutional Shares of the Fund for the time periods indicated and then redeem all of your Institutional Shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund&amp;#8217;s operating expenses remain the same (except that the Example incorporates the expense limitation arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:&lt;/p&gt;</rr:ExpenseExampleNarrativeTextBlock>
  <rr:ExpenseExampleNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009359_Member_Prospectus_Seven_Member">&lt;p&gt;This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. This Example does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option. Had those fees and expenses been included, the costs shown below would be higher.&lt;/p&gt;&lt;p&gt;The Example assumes that you invest $10,000 in Service Shares of the Fund for the time periods indicated and then redeem all of your Service Shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund&amp;#8217;s operating expenses remain the same (except that the Example incorporates the expense limitation arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:&lt;/p&gt;</rr:ExpenseExampleNarrativeTextBlock>
  <rr:ExpenseExampleNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Nine_Member_S000009360_Member">&lt;p&gt;This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. This Example does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option. Had those fees and expenses been included, the costs shown below would be higher.&lt;/p&gt;&lt;p&gt;The Example assumes that you invest $10,000 in Service Shares of the Fund for the time periods indicated and then redeem all of your
Service Shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund&amp;#8217;s operating expenses remain the same (except that the Example incorporates the expense limitation and fee waiver arrangements for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:&lt;/p&gt;</rr:ExpenseExampleNarrativeTextBlock>
  <rr:ExpenseExampleNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eight_Member_S000009362_Member">&lt;p&gt;This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. This
Example does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses
the Fund as an investment option. Had those fees and expenses been included, the costs shown below would be higher.&lt;/p&gt;
&lt;p&gt;The Example assumes that you invest $10,000 in Service Shares of the Fund for the time periods indicated and then redeem all of your
Service Shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund&amp;#8217;s
operating expenses remain the same (except that the Example incorporates the expense limitation arrangement for only the first year).
Although your actual costs may be higher or lower, based on these assumptions your costs would be:&lt;/p&gt;</rr:ExpenseExampleNarrativeTextBlock>
  <rr:ExpenseExampleNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009356_Member_Prospectus_Fifteen_Member">&lt;p&gt; This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. This Example does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option. Had those fees and expenses been included, the costs shown below would be higher.&lt;/p&gt;&lt;p&gt; The Example assumes that you invest $10,000 in Service Shares of the Fund for the time periods indicated and then redeem all of your Service Shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund&amp;#8217;s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:&lt;/p&gt;</rr:ExpenseExampleNarrativeTextBlock>
  <rr:ExpenseExampleNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009353_Member_Prospectus_Fourteen_Member">&lt;p&gt;This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. This Example does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option. Had those fees and expenses been included, the costs shown below would be higher.&lt;/p&gt;&lt;p&gt;The Example assumes that you invest $10,000 in Service Shares of the Fund for the time periods indicated and then redeem all of your Service Shares at the end of those periods, unless otherwise stated. The Example also assumes that your investment has a 5% return each year and that the Fund&amp;#8217;s operating expenses remain the same (except that the Example incorporates the expense limitation arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:&lt;/p&gt;</rr:ExpenseExampleNarrativeTextBlock>
  <rr:ExpenseExampleNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_One_Member_S000009359_Member">&lt;p&gt;This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. This Example does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option. Had those fees and expenses been included, the costs shown below would be higher.&lt;/p&gt;&lt;p&gt;The Example assumes that you invest $10,000 in Institutional Shares of the Fund for the time periods indicated and then redeem all of your Institutional Shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund&amp;#8217;s operating expenses remain the same (except that the Example incorporates the expense limitation arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:&lt;/p&gt;</rr:ExpenseExampleNarrativeTextBlock>
  <rr:ExpenseExampleNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009358_Member_Prospectus_Twelve_Member">&lt;p&gt;This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. This Example does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option. Had those fees and expenses been included, the costs shown below would be higher.&lt;/p&gt;&lt;p&gt;The Example assumes that you invest $10,000 in Service Shares of the Fund for the time periods indicated and then redeem all of your Service Shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund&amp;#8217;s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:&lt;/p&gt;</rr:ExpenseExampleNarrativeTextBlock>
  <rr:ExpenseExampleNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009354_Member_Prospectus_Sixteen_Member">&lt;p&gt;This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. This Example does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option. Had those fees and expenses been included, the costs shown below would be higher.&lt;/p&gt;&lt;p&gt;The Example assumes that you invest $10,000 in Service Shares of the Fund for the time periods indicated and then redeem all of your Service Shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund&amp;#8217;s operating expenses remain the same (except that the Example incorporates the expense limitation arrangement for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:&lt;/p&gt;</rr:ExpenseExampleNarrativeTextBlock>
  <rr:ExpenseExampleNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009361_Member_Prospectus_Seventeen_Member">&lt;p&gt;This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. This Example does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option. Had those fees and expenses been included, the costs shown below would be higher.&lt;/p&gt;&lt;p&gt;The Example assumes that you invest $10,000 in Service Shares of the Fund for the time periods indicated and then redeem all of your Service Shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund&amp;#8217;s operating expenses remain the same (except that the Example incorporates the management fee waiver and expense limitation arrangements for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:&lt;/p&gt;</rr:ExpenseExampleNarrativeTextBlock>
  <rr:ExpenseExampleNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eleven_Member_S000009357_Member">&lt;p&gt;This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. This Example does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option. Had those fees and expenses been included, the costs shown below would be higher.&lt;/p&gt;&lt;p&gt;The Example assumes that you invest $10,000 in Service Shares of the Fund for the time periods indicated and then redeem all of your Service Shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund&amp;#8217;s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:&lt;/p&gt;</rr:ExpenseExampleNarrativeTextBlock>
  <rr:ExpenseExampleNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Five_Member_S000009356_Member">&lt;p&gt;This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. This Example does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option. Had those fees and expenses been included, the costs shown below would be higher.&lt;/p&gt;&lt;p&gt;The Example assumes that you invest $10,000 in Institutional Shares of the Fund for the time periods indicated and then redeem all of your Institutional Shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund&amp;#8217;s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:&lt;/p&gt;</rr:ExpenseExampleNarrativeTextBlock>
  <rr:ExpenseExampleNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Three_Member_S000009358_Member">&lt;p&gt;This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. This Example does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option. Had those fees and expenses been included, the costs shown below would be higher.&lt;/p&gt;
&lt;p&gt;The Example assumes that you invest $10,000 in Institutional Shares of the Fund for the time periods indicated and then redeem all of your Institutional Shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund&amp;#8217;s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:&lt;/p&gt;</rr:ExpenseExampleNarrativeTextBlock>
  <rr:ExpenseExampleNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Ten_Member_S000009352_Member">&lt;p&gt;This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. This Example does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option. Had those fees and expenses been included, the costs shown below would be higher.&lt;/p&gt;&lt;p&gt;The Example assumes that you invest $10,000 in Service Shares of the Fund for the time periods indicated and then redeem all of your Service Shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund&amp;#8217;s operating expenses remain the same (except that the Example incorporates the expense limitation and fee waiver arrangements for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:&lt;/p&gt;</rr:ExpenseExampleNarrativeTextBlock>
  <rr:ExpenseExampleNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Two_Member_S000009357_Member">&lt;p&gt;This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. This Example does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option. Had those fees and expenses been included, the costs shown below would be higher.&lt;/p&gt;&lt;p&gt;The Example assumes that you invest $10,000 in Institutional Shares of the Fund for the time periods indicated and then redeem all of your Institutional Shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund&amp;#8217;s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:&lt;/p&gt;</rr:ExpenseExampleNarrativeTextBlock>
  <rr:ExpenseExampleNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Four_Member_S000009355_Member">&lt;p&gt;This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. This Example does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option. Had those fees and expenses been included, the costs shown below would be higher.&lt;/p&gt;&lt;p&gt; The Example assumes that you invest $10,000 in Institutional Shares of the Fund for the time periods indicated and then redeem all of your Institutional Shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund&amp;#8217;s operating expenses remain the same (except that the Example incorporates the management fee waiver and expense limitation arrangements for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:&lt;/p&gt;</rr:ExpenseExampleNarrativeTextBlock>
  <rr:ExpenseExampleWithRedemptionTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Four_Member_S000009355_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/ExpenseExampleGoldmanSachsStructuredSmallCapEquityFundInstitutionalShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009355_Member *
row dei_LegalEntityAxis  compact gssqx_Prospectus_Four_Member *
~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:ExpenseExampleWithRedemptionTableTextBlock>
  <rr:ExpenseExampleWithRedemptionTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Nine_Member_S000009360_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/ExpenseExampleGoldmanSachsGrowthOpportunitiesFundServiceShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009360_Member *
row dei_LegalEntityAxis  compact gssqx_Prospectus_Nine_Member *
~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:ExpenseExampleWithRedemptionTableTextBlock>
  <rr:ExpenseExampleWithRedemptionTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Five_Member_S000009356_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/ExpenseExampleGoldmanSachsStrategicGrowthFundInstitutionalShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009356_Member *
row dei_LegalEntityAxis  compact gssqx_Prospectus_Five_Member *
~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:ExpenseExampleWithRedemptionTableTextBlock>
  <rr:ExpenseExampleWithRedemptionTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eight_Member_S000009362_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/ExpenseExampleGoldmanSachsGovernmentIncomeFundServiceShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009362_Member *
row dei_LegalEntityAxis  compact gssqx_Prospectus_Eight_Member *
~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:ExpenseExampleWithRedemptionTableTextBlock>
  <rr:ExpenseExampleWithRedemptionTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eleven_Member_S000009357_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/ExpenseExampleGoldmanSachsLargeCapValueFundServiceShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009357_Member *
row dei_LegalEntityAxis  compact gssqx_Prospectus_Ten_Member *
~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:ExpenseExampleWithRedemptionTableTextBlock>
  <rr:ExpenseExampleWithRedemptionTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009352_Member_Prospectus_Six_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/ExpenseExampleGoldmanSachsStructuredUSEquityFundInstitutionalShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009352_Member *
row dei_LegalEntityAxis  compact gssqx_Prospectus_Six_Member *
~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:ExpenseExampleWithRedemptionTableTextBlock>
  <rr:ExpenseExampleWithRedemptionTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Three_Member_S000009358_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/ExpenseExampleGoldmanSachsMidCapValueFundInstitutionalShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009358_Member *
row dei_LegalEntityAxis  compact gssqx_Prospectus_Three_Member *
~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:ExpenseExampleWithRedemptionTableTextBlock>
  <rr:ExpenseExampleWithRedemptionTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Two_Member_S000009357_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/ExpenseExampleGoldmanSachsLargeCapValueFundInstitutionalShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009357_Member *
row dei_LegalEntityAxis  compact gssqx_Prospectus_Two_Member *
~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:ExpenseExampleWithRedemptionTableTextBlock>
  <rr:ExpenseExampleWithRedemptionTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009356_Member_Prospectus_Fifteen_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/ExpenseExampleGoldmanSachsStrategicGrowthFundServiceShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009356_Member *
row dei_LegalEntityAxis  compact gssqx_Prospectus_Ten_Member *
~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:ExpenseExampleWithRedemptionTableTextBlock>
  <rr:ExpenseExampleWithRedemptionTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Ten_Member_S000009352_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/ExpenseExampleGoldmanSachsStructuredUSEquityFundServiceShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009352_Member *
row dei_LegalEntityAxis  compact gssqx_Prospectus_Ten_Member *
~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:ExpenseExampleWithRedemptionTableTextBlock>
  <rr:ExpenseExampleWithRedemptionTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009361_Member_Prospectus_Seventeen_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/ExpenseExampleGoldmanSachsEquityIndexFundServiceShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009361_Member *
row dei_LegalEntityAxis  compact gssqx_Prospectus_Ten_Member *
~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:ExpenseExampleWithRedemptionTableTextBlock>
  <rr:ExpenseExampleWithRedemptionTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009353_Member_Prospectus_Fourteen_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/ExpenseExampleGoldmanSachsCoreFixedIncomeFundServiceShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009353_Member *
row dei_LegalEntityAxis  compact gssqx_Prospectus_Ten_Member *
~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:ExpenseExampleWithRedemptionTableTextBlock>
  <rr:ExpenseExampleWithRedemptionTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009355_Member_Prospectus_Thirteen_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/ExpenseExampleGoldmanSachsStructuredSmallCapEquityFundServiceShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009355_Member *
row dei_LegalEntityAxis  compact gssqx_Prospectus_Ten_Member *
~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:ExpenseExampleWithRedemptionTableTextBlock>
  <rr:ExpenseExampleWithRedemptionTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009359_Member_Prospectus_Seven_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/ExpenseExampleGoldmanSachsStrategicInternationalEquityFundServiceShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009359_Member *
row dei_LegalEntityAxis  compact gssqx_Prospectus_Seven_Member *
~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:ExpenseExampleWithRedemptionTableTextBlock>
  <rr:ExpenseExampleWithRedemptionTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009354_Member_Prospectus_Sixteen_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/ExpenseExampleGoldmanSachsMoneyMarketFundServiceShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009354_Member *
row dei_LegalEntityAxis  compact gssqx_Prospectus_Ten_Member *
~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:ExpenseExampleWithRedemptionTableTextBlock>
  <rr:ExpenseExampleWithRedemptionTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009358_Member_Prospectus_Twelve_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/ExpenseExampleGoldmanSachsMidCapValueFundServiceShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009358_Member *
row dei_LegalEntityAxis  compact gssqx_Prospectus_Ten_Member *
~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:ExpenseExampleWithRedemptionTableTextBlock>
  <rr:ExpenseExampleWithRedemptionTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_One_Member_S000009359_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/ExpenseExampleGoldmanSachsStrategicInternationalEquityFundInstitutionalShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009359_Member *
row dei_LegalEntityAxis  compact gssqx_Prospectus_One_Member *
~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:ExpenseExampleWithRedemptionTableTextBlock>
  <rr:ExpenseExampleYear01 contextRef="TwelveMonthsEnded_30Apr2011_C000025640_Member" unitRef="USD" decimals="INF">86</rr:ExpenseExampleYear01>
  <rr:ExpenseExampleYear01 contextRef="TwelveMonthsEnded_30Apr2011_C000025655_Member" unitRef="USD" decimals="INF">120</rr:ExpenseExampleYear01>
  <rr:ExpenseExampleYear01 contextRef="TwelveMonthsEnded_30Apr2011_C000025633_Member" unitRef="USD" decimals="INF">65</rr:ExpenseExampleYear01>
  <rr:ExpenseExampleYear01 contextRef="TwelveMonthsEnded_30Apr2011_C000025634_Member" unitRef="USD" decimals="INF">87</rr:ExpenseExampleYear01>
  <rr:ExpenseExampleYear01 contextRef="TwelveMonthsEnded_30Apr2011_C000025638_Member" unitRef="USD" decimals="INF">49</rr:ExpenseExampleYear01>
  <rr:ExpenseExampleYear01 contextRef="TwelveMonthsEnded_30Apr2011_C000025646_Member" unitRef="USD" decimals="INF">82</rr:ExpenseExampleYear01>
  <rr:ExpenseExampleYear01 contextRef="TwelveMonthsEnded_30Apr2011_C000025650_Member" unitRef="USD" decimals="INF">114</rr:ExpenseExampleYear01>
  <rr:ExpenseExampleYear01 contextRef="TwelveMonthsEnded_30Apr2011_C000025657_Member" unitRef="USD" decimals="INF">49</rr:ExpenseExampleYear01>
  <rr:ExpenseExampleYear01 contextRef="TwelveMonthsEnded_30Apr2011_C000025643_Member" unitRef="USD" decimals="INF">88</rr:ExpenseExampleYear01>
  <rr:ExpenseExampleYear01 contextRef="TwelveMonthsEnded_30Apr2011_C000025644_Member" unitRef="USD" decimals="INF">113</rr:ExpenseExampleYear01>
  <rr:ExpenseExampleYear01 contextRef="TwelveMonthsEnded_30Apr2011_C000025652_Member" unitRef="USD" decimals="INF">108</rr:ExpenseExampleYear01>
  <rr:ExpenseExampleYear01 contextRef="TwelveMonthsEnded_30Apr2011_C000025659_Member" unitRef="USD" decimals="INF">87</rr:ExpenseExampleYear01>
  <rr:ExpenseExampleYear01 contextRef="TwelveMonthsEnded_30Apr2011_C000025653_Member" unitRef="USD" decimals="INF">134</rr:ExpenseExampleYear01>
  <rr:ExpenseExampleYear01 contextRef="TwelveMonthsEnded_30Apr2011_C000025649_Member" unitRef="USD" decimals="INF">89</rr:ExpenseExampleYear01>
  <rr:ExpenseExampleYear01 contextRef="TwelveMonthsEnded_30Apr2011_C00002567_Member" unitRef="USD" decimals="INF">107</rr:ExpenseExampleYear01>
  <rr:ExpenseExampleYear01 contextRef="TwelveMonthsEnded_30Apr2011_C000025636_Member" unitRef="USD" decimals="INF">71</rr:ExpenseExampleYear01>
  <rr:ExpenseExampleYear01 contextRef="TwelveMonthsEnded_30Apr2011_C000025641_Member" unitRef="USD" decimals="INF">111</rr:ExpenseExampleYear01>
  <rr:ExpenseExampleYear03 contextRef="TwelveMonthsEnded_30Apr2011_C000025649_Member" unitRef="USD" decimals="INF">278</rr:ExpenseExampleYear03>
  <rr:ExpenseExampleYear03 contextRef="TwelveMonthsEnded_30Apr2011_C000025643_Member" unitRef="USD" decimals="INF">274</rr:ExpenseExampleYear03>
  <rr:ExpenseExampleYear03 contextRef="TwelveMonthsEnded_30Apr2011_C000025638_Member" unitRef="USD" decimals="INF">187</rr:ExpenseExampleYear03>
  <rr:ExpenseExampleYear03 contextRef="TwelveMonthsEnded_30Apr2011_C000025659_Member" unitRef="USD" decimals="INF">330</rr:ExpenseExampleYear03>
  <rr:ExpenseExampleYear03 contextRef="TwelveMonthsEnded_30Apr2011_C000025644_Member" unitRef="USD" decimals="INF">353</rr:ExpenseExampleYear03>
  <rr:ExpenseExampleYear03 contextRef="TwelveMonthsEnded_30Apr2011_C000025657_Member" unitRef="USD" decimals="INF">204</rr:ExpenseExampleYear03>
  <rr:ExpenseExampleYear03 contextRef="TwelveMonthsEnded_30Apr2011_C00002567_Member" unitRef="USD" decimals="INF">334</rr:ExpenseExampleYear03>
  <rr:ExpenseExampleYear03 contextRef="TwelveMonthsEnded_30Apr2011_C000025655_Member" unitRef="USD" decimals="INF">428</rr:ExpenseExampleYear03>
  <rr:ExpenseExampleYear03 contextRef="TwelveMonthsEnded_30Apr2011_C000025640_Member" unitRef="USD" decimals="INF">296</rr:ExpenseExampleYear03>
  <rr:ExpenseExampleYear03 contextRef="TwelveMonthsEnded_30Apr2011_C000025636_Member" unitRef="USD" decimals="INF">252</rr:ExpenseExampleYear03>
  <rr:ExpenseExampleYear03 contextRef="TwelveMonthsEnded_30Apr2011_C000025646_Member" unitRef="USD" decimals="INF">255</rr:ExpenseExampleYear03>
  <rr:ExpenseExampleYear03 contextRef="TwelveMonthsEnded_30Apr2011_C000025650_Member" unitRef="USD" decimals="INF">356</rr:ExpenseExampleYear03>
  <rr:ExpenseExampleYear03 contextRef="TwelveMonthsEnded_30Apr2011_C000025634_Member" unitRef="USD" decimals="INF">293</rr:ExpenseExampleYear03>
  <rr:ExpenseExampleYear03 contextRef="TwelveMonthsEnded_30Apr2011_C000025653_Member" unitRef="USD" decimals="INF">423</rr:ExpenseExampleYear03>
  <rr:ExpenseExampleYear03 contextRef="TwelveMonthsEnded_30Apr2011_C000025641_Member" unitRef="USD" decimals="INF">374</rr:ExpenseExampleYear03>
  <rr:ExpenseExampleYear03 contextRef="TwelveMonthsEnded_30Apr2011_C000025633_Member" unitRef="USD" decimals="INF">218</rr:ExpenseExampleYear03>
  <rr:ExpenseExampleYear03 contextRef="TwelveMonthsEnded_30Apr2011_C000025652_Member" unitRef="USD" decimals="INF">345</rr:ExpenseExampleYear03>
  <rr:ExpenseExampleYear05 contextRef="TwelveMonthsEnded_30Apr2011_C000025641_Member" unitRef="USD" decimals="INF">658</rr:ExpenseExampleYear05>
  <rr:ExpenseExampleYear05 contextRef="TwelveMonthsEnded_30Apr2011_C000025636_Member" unitRef="USD" decimals="INF">449</rr:ExpenseExampleYear05>
  <rr:ExpenseExampleYear05 contextRef="TwelveMonthsEnded_30Apr2011_C000025653_Member" unitRef="USD" decimals="INF">733</rr:ExpenseExampleYear05>
  <rr:ExpenseExampleYear05 contextRef="TwelveMonthsEnded_30Apr2011_C000025655_Member" unitRef="USD" decimals="INF">758</rr:ExpenseExampleYear05>
  <rr:ExpenseExampleYear05 contextRef="TwelveMonthsEnded_30Apr2011_C000025633_Member" unitRef="USD" decimals="INF">384</rr:ExpenseExampleYear05>
  <rr:ExpenseExampleYear05 contextRef="TwelveMonthsEnded_30Apr2011_C000025638_Member" unitRef="USD" decimals="INF">336</rr:ExpenseExampleYear05>
  <rr:ExpenseExampleYear05 contextRef="TwelveMonthsEnded_30Apr2011_C000025643_Member" unitRef="USD" decimals="INF">477</rr:ExpenseExampleYear05>
  <rr:ExpenseExampleYear05 contextRef="TwelveMonthsEnded_30Apr2011_C00002567_Member" unitRef="USD" decimals="INF">579</rr:ExpenseExampleYear05>
  <rr:ExpenseExampleYear05 contextRef="TwelveMonthsEnded_30Apr2011_C000025650_Member" unitRef="USD" decimals="INF">617</rr:ExpenseExampleYear05>
  <rr:ExpenseExampleYear05 contextRef="TwelveMonthsEnded_30Apr2011_C000025649_Member" unitRef="USD" decimals="INF">482</rr:ExpenseExampleYear05>
  <rr:ExpenseExampleYear05 contextRef="TwelveMonthsEnded_30Apr2011_C000025659_Member" unitRef="USD" decimals="INF">592</rr:ExpenseExampleYear05>
  <rr:ExpenseExampleYear05 contextRef="TwelveMonthsEnded_30Apr2011_C000025634_Member" unitRef="USD" decimals="INF">516</rr:ExpenseExampleYear05>
  <rr:ExpenseExampleYear05 contextRef="TwelveMonthsEnded_30Apr2011_C000025646_Member" unitRef="USD" decimals="INF">444</rr:ExpenseExampleYear05>
  <rr:ExpenseExampleYear05 contextRef="TwelveMonthsEnded_30Apr2011_C000025640_Member" unitRef="USD" decimals="INF">524</rr:ExpenseExampleYear05>
  <rr:ExpenseExampleYear05 contextRef="TwelveMonthsEnded_30Apr2011_C000025657_Member" unitRef="USD" decimals="INF">372</rr:ExpenseExampleYear05>
  <rr:ExpenseExampleYear05 contextRef="TwelveMonthsEnded_30Apr2011_C000025652_Member" unitRef="USD" decimals="INF">600</rr:ExpenseExampleYear05>
  <rr:ExpenseExampleYear05 contextRef="TwelveMonthsEnded_30Apr2011_C000025644_Member" unitRef="USD" decimals="INF">612</rr:ExpenseExampleYear05>
  <rr:ExpenseExampleYear10 contextRef="TwelveMonthsEnded_30Apr2011_C000025652_Member" unitRef="USD" decimals="INF">1330</rr:ExpenseExampleYear10>
  <rr:ExpenseExampleYear10 contextRef="TwelveMonthsEnded_30Apr2011_C000025638_Member" unitRef="USD" decimals="INF">772</rr:ExpenseExampleYear10>
  <rr:ExpenseExampleYear10 contextRef="TwelveMonthsEnded_30Apr2011_C000025643_Member" unitRef="USD" decimals="INF">1060</rr:ExpenseExampleYear10>
  <rr:ExpenseExampleYear10 contextRef="TwelveMonthsEnded_30Apr2011_C000025641_Member" unitRef="USD" decimals="INF">1466</rr:ExpenseExampleYear10>
  <rr:ExpenseExampleYear10 contextRef="TwelveMonthsEnded_30Apr2011_C000025655_Member" unitRef="USD" decimals="INF">1692</rr:ExpenseExampleYear10>
  <rr:ExpenseExampleYear10 contextRef="TwelveMonthsEnded_30Apr2011_C000025634_Member" unitRef="USD" decimals="INF">1157</rr:ExpenseExampleYear10>
  <rr:ExpenseExampleYear10 contextRef="TwelveMonthsEnded_30Apr2011_C000025653_Member" unitRef="USD" decimals="INF">1614</rr:ExpenseExampleYear10>
  <rr:ExpenseExampleYear10 contextRef="TwelveMonthsEnded_30Apr2011_C00002567_Member" unitRef="USD" decimals="INF">1283</rr:ExpenseExampleYear10>
  <rr:ExpenseExampleYear10 contextRef="TwelveMonthsEnded_30Apr2011_C000025649_Member" unitRef="USD" decimals="INF">1072</rr:ExpenseExampleYear10>
  <rr:ExpenseExampleYear10 contextRef="TwelveMonthsEnded_30Apr2011_C000025659_Member" unitRef="USD" decimals="INF">1342</rr:ExpenseExampleYear10>
  <rr:ExpenseExampleYear10 contextRef="TwelveMonthsEnded_30Apr2011_C000025633_Member" unitRef="USD" decimals="INF">864</rr:ExpenseExampleYear10>
  <rr:ExpenseExampleYear10 contextRef="TwelveMonthsEnded_30Apr2011_C000025640_Member" unitRef="USD" decimals="INF">1177</rr:ExpenseExampleYear10>
  <rr:ExpenseExampleYear10 contextRef="TwelveMonthsEnded_30Apr2011_C000025636_Member" unitRef="USD" decimals="INF">1017</rr:ExpenseExampleYear10>
  <rr:ExpenseExampleYear10 contextRef="TwelveMonthsEnded_30Apr2011_C000025650_Member" unitRef="USD" decimals="INF">1363</rr:ExpenseExampleYear10>
  <rr:ExpenseExampleYear10 contextRef="TwelveMonthsEnded_30Apr2011_C000025644_Member" unitRef="USD" decimals="INF">1352</rr:ExpenseExampleYear10>
  <rr:ExpenseExampleYear10 contextRef="TwelveMonthsEnded_30Apr2011_C000025646_Member" unitRef="USD" decimals="INF">989</rr:ExpenseExampleYear10>
  <rr:ExpenseExampleYear10 contextRef="TwelveMonthsEnded_30Apr2011_C000025657_Member" unitRef="USD" decimals="INF">861</rr:ExpenseExampleYear10>
  <rr:ExpenseHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009353_Member_Prospectus_Fourteen_Member">Fees and Expenses of the Fund</rr:ExpenseHeading>
  <rr:ExpenseHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Two_Member_S000009357_Member">Fees and Expenses of the Fund</rr:ExpenseHeading>
  <rr:ExpenseHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009354_Member_Prospectus_Sixteen_Member">Fees and Expenses of the Fund</rr:ExpenseHeading>
  <rr:ExpenseHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Ten_Member_S000009352_Member">Fees and Expenses of the Fund</rr:ExpenseHeading>
  <rr:ExpenseHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eleven_Member_S000009357_Member">Fees and Expenses of the Fund</rr:ExpenseHeading>
  <rr:ExpenseHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Nine_Member_S000009360_Member">Fees and Expenses of the Fund</rr:ExpenseHeading>
  <rr:ExpenseHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Three_Member_S000009358_Member">Fees and Expenses of the Fund</rr:ExpenseHeading>
  <rr:ExpenseHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009358_Member_Prospectus_Twelve_Member">Fees and Expenses of the Fund</rr:ExpenseHeading>
  <rr:ExpenseHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eight_Member_S000009362_Member">Fees and Expenses of the Fund</rr:ExpenseHeading>
  <rr:ExpenseHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009359_Member_Prospectus_Seven_Member">Fees and Expenses of the Fund</rr:ExpenseHeading>
  <rr:ExpenseHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_One_Member_S000009359_Member">Fees and Expenses of the Fund</rr:ExpenseHeading>
  <rr:ExpenseHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009356_Member_Prospectus_Fifteen_Member">Fees and Expenses of the Fund</rr:ExpenseHeading>
  <rr:ExpenseHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009352_Member_Prospectus_Six_Member">Fees and Expenses of the Fund</rr:ExpenseHeading>
  <rr:ExpenseHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009361_Member_Prospectus_Seventeen_Member">Fees and Expenses of the Fund</rr:ExpenseHeading>
  <rr:ExpenseHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Four_Member_S000009355_Member">Fees and Expenses of the Fund</rr:ExpenseHeading>
  <rr:ExpenseHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009355_Member_Prospectus_Thirteen_Member">Fees and Expenses of the Fund</rr:ExpenseHeading>
  <rr:ExpenseHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Five_Member_S000009356_Member">Fees and Expenses of the Fund</rr:ExpenseHeading>
  <rr:ExpenseNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009353_Member_Prospectus_Fourteen_Member">This table describes the fees and expenses that you may pay if you buy and hold Service Shares of the Fund. This table does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option. Had those fees and expenses been included, overall fees and expenses would be higher.</rr:ExpenseNarrativeTextBlock>
  <rr:ExpenseNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009355_Member_Prospectus_Thirteen_Member">This table describes the fees and expenses that you may pay if you buy and hold Service Shares of the Fund. This table does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option. Had those fees and expenses been included, overall fees and expenses would be higher.</rr:ExpenseNarrativeTextBlock>
  <rr:ExpenseNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Nine_Member_S000009360_Member">This table describes the fees and expenses that you may pay if you buy and hold Service Shares of the Fund. This table does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option. Had those fees and expenses been included, overall fees and expenses would be higher.</rr:ExpenseNarrativeTextBlock>
  <rr:ExpenseNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009358_Member_Prospectus_Twelve_Member">This table describes the fees and expenses that you may pay if you buy and hold Service Shares of the Fund. This table does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option. Had those fees and expenses been included, overall fees and expenses would be higher.</rr:ExpenseNarrativeTextBlock>
  <rr:ExpenseNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009352_Member_Prospectus_Six_Member">This table describes the fees and expenses that you may pay if you buy and hold Institutional Shares of the Fund. This table does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option. Had those fees and expenses been included, overall fees and expenses would be higher.</rr:ExpenseNarrativeTextBlock>
  <rr:ExpenseNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Two_Member_S000009357_Member">This table describes the fees and expenses that you may pay if you buy and hold Institutional Shares of the Fund. This table does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option. Had those fees and expenses been included, overall fees and expenses would be higher.</rr:ExpenseNarrativeTextBlock>
  <rr:ExpenseNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009356_Member_Prospectus_Fifteen_Member">This table describes the fees and expenses that you may pay if you buy and hold Service Shares of the Fund. This table does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option. Had those fees and expenses been included, overall fees and expenses would be higher.</rr:ExpenseNarrativeTextBlock>
  <rr:ExpenseNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_One_Member_S000009359_Member">This table describes the fees and expenses that you may pay if you buy and hold Institutional Shares of the Fund. This table does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option. Had those fees and expenses been included, overall fees and expenses would be higher.</rr:ExpenseNarrativeTextBlock>
  <rr:ExpenseNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009354_Member_Prospectus_Sixteen_Member">This table describes the fees and expenses that you may pay if you buy and hold Service Shares of the Fund. This table does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option. Had those fees and expenses been included, overall fees and expenses would be higher.</rr:ExpenseNarrativeTextBlock>
  <rr:ExpenseNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eleven_Member_S000009357_Member">This table describes the fees and expenses that you may pay if you buy and hold Service Shares of the Fund. This table does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option. Had those fees and expenses been included, overall fees and expenses would be higher.</rr:ExpenseNarrativeTextBlock>
  <rr:ExpenseNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009359_Member_Prospectus_Seven_Member">This table describes the fees and expenses that you may pay if you buy and hold Service Shares of the Fund. This table does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option. Had those fees and expenses been included, overall fees and expenses would be higher.</rr:ExpenseNarrativeTextBlock>
  <rr:ExpenseNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009361_Member_Prospectus_Seventeen_Member">This table describes the fees and expenses that you may pay if you buy and hold Service Shares of the Fund. This table does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option. Had those fees and expenses been included, overall fees and expenses would be higher.</rr:ExpenseNarrativeTextBlock>
  <rr:ExpenseNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eight_Member_S000009362_Member">This table describes the fees and expenses that you may pay if you buy and hold Service Shares of the Fund. This table does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option. Had those fees and expenses been included, overall fees and expenses would be higher.</rr:ExpenseNarrativeTextBlock>
  <rr:ExpenseNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Four_Member_S000009355_Member">This table describes the fees and expenses that you may pay if you buy and hold Institutional Shares of the Fund. This table does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option. Had those fees and expenses been included, overall fees and expenses would be higher.</rr:ExpenseNarrativeTextBlock>
  <rr:ExpenseNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Ten_Member_S000009352_Member">This table describes the fees and expenses that you may pay if you buy and hold Service Shares of the Fund. This table does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option. Had those fees and expenses been included, overall fees and expenses would be higher.</rr:ExpenseNarrativeTextBlock>
  <rr:ExpenseNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Five_Member_S000009356_Member">This table describes the fees and expenses that you may pay if you buy and hold Institutional Shares of the Fund. This table does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option. Had those fees and expenses been included, overall fees and expenses would be higher.</rr:ExpenseNarrativeTextBlock>
  <rr:ExpenseNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Three_Member_S000009358_Member">This table describes the fees and expenses that you may pay if you buy and hold Institutional Shares of the Fund. This table does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option. Had those fees and expenses been included, overall fees and expenses would be higher.</rr:ExpenseNarrativeTextBlock>
  <rr:ExpensesNotCorrelatedToRatioDueToAcquiredFundFees contextRef="TwelveMonthsEnded_30Apr2011_S000009359_Member_Prospectus_Seven_Member">&lt;i&gt;The Total Annual Fund Operating Expenses do not correlate to the ratios of net and total expenses to average net assets provided in the Financial Highlights, which reflect the operating expenses of the Fund and do not include Acquired Fund Fees and Expenses.&lt;/i&gt;</rr:ExpensesNotCorrelatedToRatioDueToAcquiredFundFees>
  <rr:ExpensesNotCorrelatedToRatioDueToAcquiredFundFees contextRef="TwelveMonthsEnded_30Apr2011_S000009353_Member_Prospectus_Fourteen_Member">&lt;i&gt;The Total Annual Fund Operating Expenses do not correlate to the ratios of net and total expenses to average net assets provided in the Financial Highlights, which reflect the operating expenses of the Fund and do not include Acquired Fund Fees and Expenses.&lt;/i&gt;</rr:ExpensesNotCorrelatedToRatioDueToAcquiredFundFees>
  <rr:ExpensesNotCorrelatedToRatioDueToAcquiredFundFees contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eight_Member_S000009362_Member">&lt;i&gt;The Total Annual Fund Operating Expenses do not correlate to the ratios of net and total expenses to average net assets provided in the Financial Highlights, which reflect the operating expenses of the Fund and do not include Acquired Fund Fees and Expenses.&lt;/i&gt;</rr:ExpensesNotCorrelatedToRatioDueToAcquiredFundFees>
  <rr:ExpensesNotCorrelatedToRatioDueToAcquiredFundFees contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_One_Member_S000009359_Member">&lt;i&gt;The Total Annual Fund Operating Expenses do not correlate to the ratios of net and total expenses to average net assets provided in the Financial Highlights, which reflect the operating expenses of the Fund and do not include Acquired Fund Fees and Expenses.&lt;/i&gt;</rr:ExpensesNotCorrelatedToRatioDueToAcquiredFundFees>
  <rr:ExpensesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C00002567_Member" unitRef="Pure" decimals="4">0.0105</rr:ExpensesOverAssets>
  <rr:ExpensesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025657_Member" unitRef="Pure" decimals="4">0.0071</rr:ExpensesOverAssets>
  <rr:ExpensesOverAssets id="Item-03" contextRef="TwelveMonthsEnded_30Apr2011_C000025653_Member" unitRef="Pure" decimals="4">0.0134</rr:ExpensesOverAssets>
  <rr:ExpensesOverAssets id="Item-05" contextRef="TwelveMonthsEnded_30Apr2011_C000025659_Member" unitRef="Pure" decimals="4">0.0112</rr:ExpensesOverAssets>
  <rr:ExpensesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025640_Member" unitRef="Pure" decimals="4">0.0097</rr:ExpensesOverAssets>
  <rr:ExpensesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025650_Member" unitRef="Pure" decimals="4">0.0112</rr:ExpensesOverAssets>
  <rr:ExpensesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025633_Member" unitRef="Pure" decimals="4">0.0070</rr:ExpensesOverAssets>
  <rr:ExpensesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025643_Member" unitRef="Pure" decimals="4">0.0086</rr:ExpensesOverAssets>
  <rr:ExpensesOverAssets id="Item-12" contextRef="TwelveMonthsEnded_30Apr2011_C000025636_Member" unitRef="Pure" decimals="4">0.0083</rr:ExpensesOverAssets>
  <rr:ExpensesOverAssets id="Item-21" contextRef="TwelveMonthsEnded_30Apr2011_C000025652_Member" unitRef="Pure" decimals="4">0.0109</rr:ExpensesOverAssets>
  <rr:ExpensesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025649_Member" unitRef="Pure" decimals="4">0.0087</rr:ExpensesOverAssets>
  <rr:ExpensesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025646_Member" unitRef="Pure" decimals="4">0.0080</rr:ExpensesOverAssets>
  <rr:ExpensesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025644_Member" unitRef="Pure" decimals="4">0.0111</rr:ExpensesOverAssets>
  <rr:ExpensesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025634_Member" unitRef="Pure" decimals="4">0.0095</rr:ExpensesOverAssets>
  <rr:ExpensesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025641_Member" unitRef="Pure" decimals="4">0.0122</rr:ExpensesOverAssets>
  <rr:ExpensesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025655_Member" unitRef="Pure" decimals="4">0.0143</rr:ExpensesOverAssets>
  <rr:ExpensesOverAssets id="Item-24" contextRef="TwelveMonthsEnded_30Apr2011_C000025638_Member" unitRef="Pure" decimals="4">0.0063</rr:ExpensesOverAssets>
  <rr:ExpensesRestatedToReflectCurrent contextRef="TwelveMonthsEnded_30Apr2011_S000009361_Member_Prospectus_Seventeen_Member">&lt;i&gt;The Fund's "Total Annual Fund Operating Expenses After Fee Waiver and Expense Limitation" have been restated to reflect the Fund's current fee waiver.&lt;/i&gt;</rr:ExpensesRestatedToReflectCurrent>
  <rr:ExpensesRestatedToReflectCurrent contextRef="TwelveMonthsEnded_30Apr2011_S000009355_Member_Prospectus_Thirteen_Member">&lt;i&gt;The Fund's "Total Annual Fund Operating Expenses After Fee Waiver and Expense Limitation" have been restated to reflect the Fund&amp;#8217;s current expense limitation.&lt;/i&gt;</rr:ExpensesRestatedToReflectCurrent>
  <rr:ExpensesRestatedToReflectCurrent contextRef="TwelveMonthsEnded_30Apr2011_S000009354_Member_Prospectus_Sixteen_Member">&lt;i&gt;The Fund's "Total Annual Fund Operating Expenses" have been restated to reflect expenses expected to be incurred for the current fiscal year.&lt;/i&gt;</rr:ExpensesRestatedToReflectCurrent>
  <rr:ExpensesRestatedToReflectCurrent contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Four_Member_S000009355_Member">&lt;i&gt;The Fund's "Total Annual Fund Operating Expenses After Fee Waiver and Expense Limitation" have been restated to reflect the Fund's current expense limitation.&lt;/i&gt;</rr:ExpensesRestatedToReflectCurrent>
  <rr:FeeWaiverOrReimbursementOverAssets id="Item-01" contextRef="TwelveMonthsEnded_30Apr2011_C000025655_Member" unitRef="Pure" decimals="4">-0.0025</rr:FeeWaiverOrReimbursementOverAssets>
  <rr:FeeWaiverOrReimbursementOverAssets id="Item-02" contextRef="TwelveMonthsEnded_30Apr2011_C000025657_Member" unitRef="Pure" decimals="4">-0.0023</rr:FeeWaiverOrReimbursementOverAssets>
  <rr:FeeWaiverOrReimbursementOverAssets id="Item-09" contextRef="TwelveMonthsEnded_30Apr2011_C000025636_Member" unitRef="Pure" decimals="4">-0.0014</rr:FeeWaiverOrReimbursementOverAssets>
  <rr:FeeWaiverOrReimbursementOverAssets id="Item-23" contextRef="TwelveMonthsEnded_30Apr2011_C000025653_Member" unitRef="Pure" decimals="4">-0.0003</rr:FeeWaiverOrReimbursementOverAssets>
  <rr:FeeWaiverOrReimbursementOverAssets id="Item-13" contextRef="TwelveMonthsEnded_30Apr2011_C000025634_Member" unitRef="Pure" decimals="4">-0.0010</rr:FeeWaiverOrReimbursementOverAssets>
  <rr:FeeWaiverOrReimbursementOverAssets id="Item-16" contextRef="TwelveMonthsEnded_30Apr2011_C000025652_Member" unitRef="Pure" decimals="4">-0.0003</rr:FeeWaiverOrReimbursementOverAssets>
  <rr:FeeWaiverOrReimbursementOverAssets id="Item-19" contextRef="TwelveMonthsEnded_30Apr2011_C000025633_Member" unitRef="Pure" decimals="4">-0.0006</rr:FeeWaiverOrReimbursementOverAssets>
  <rr:FeeWaiverOrReimbursementOverAssets id="Item-10" contextRef="TwelveMonthsEnded_30Apr2011_C000025640_Member" unitRef="Pure" decimals="4">-0.0013</rr:FeeWaiverOrReimbursementOverAssets>
  <rr:FeeWaiverOrReimbursementOverAssets id="Item-07" contextRef="TwelveMonthsEnded_30Apr2011_C000025638_Member" unitRef="Pure" decimals="4">-0.0015</rr:FeeWaiverOrReimbursementOverAssets>
  <rr:FeeWaiverOrReimbursementOverAssets id="Item-22" contextRef="TwelveMonthsEnded_30Apr2011_C000025641_Member" unitRef="Pure" decimals="4">-0.0013</rr:FeeWaiverOrReimbursementOverAssets>
  <rr:FeeWaiverOrReimbursementOverAssets id="Item-11" contextRef="TwelveMonthsEnded_30Apr2011_C000025659_Member" unitRef="Pure" decimals="4">-0.0027</rr:FeeWaiverOrReimbursementOverAssets>
  <rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination contextRef="TwelveMonthsEnded_30Apr2011_S000009352_Member_Prospectus_Six_Member">April 29, 2012</rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination>
  <rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination contextRef="TwelveMonthsEnded_30Apr2011_S000009354_Member_Prospectus_Sixteen_Member">April 29, 2012</rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination>
  <rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination contextRef="TwelveMonthsEnded_30Apr2011_S000009355_Member_Prospectus_Thirteen_Member">April 29, 2012</rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination>
  <rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Ten_Member_S000009352_Member">April 29, 2012</rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination>
  <rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination contextRef="TwelveMonthsEnded_30Apr2011_S000009353_Member_Prospectus_Fourteen_Member">April 29, 2012</rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination>
  <rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_One_Member_S000009359_Member">April 29, 2012</rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination>
  <rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination contextRef="TwelveMonthsEnded_30Apr2011_S000009361_Member_Prospectus_Seventeen_Member">April 29, 2012</rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination>
  <rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Nine_Member_S000009360_Member">April 29, 2012</rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination>
  <rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eight_Member_S000009362_Member">April 29, 2012</rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination>
  <rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Four_Member_S000009355_Member">April 29, 2012</rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination>
  <rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination contextRef="TwelveMonthsEnded_30Apr2011_S000009359_Member_Prospectus_Seven_Member">April 29, 2012</rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination>
  <rr:HighestQuarterlyReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_C000025640_Member">Best Quarter</rr:HighestQuarterlyReturnLabel>
  <rr:HighestQuarterlyReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_C000025655_Member">Best Quarter</rr:HighestQuarterlyReturnLabel>
  <rr:HighestQuarterlyReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_C000025634_Member">Best Quarter</rr:HighestQuarterlyReturnLabel>
  <rr:HighestQuarterlyReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_C000025643_Member">Best Quarter</rr:HighestQuarterlyReturnLabel>
  <rr:HighestQuarterlyReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_C000025644_Member">Best Quarter</rr:HighestQuarterlyReturnLabel>
  <rr:HighestQuarterlyReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_C000025659_Member">Best Quarter</rr:HighestQuarterlyReturnLabel>
  <rr:HighestQuarterlyReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_C000025638_Member">Best Quarter</rr:HighestQuarterlyReturnLabel>
  <rr:HighestQuarterlyReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_C000025653_Member">Best Quarter</rr:HighestQuarterlyReturnLabel>
  <rr:HighestQuarterlyReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_C000025652_Member">Best Quarter</rr:HighestQuarterlyReturnLabel>
  <rr:HighestQuarterlyReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_C000025650_Member">Best Quarter</rr:HighestQuarterlyReturnLabel>
  <rr:HighestQuarterlyReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_C000025636_Member">Best Quarter</rr:HighestQuarterlyReturnLabel>
  <rr:HighestQuarterlyReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_C000025657_Member">Best Quarter</rr:HighestQuarterlyReturnLabel>
  <rr:HighestQuarterlyReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_C000025641_Member">Best Quarter</rr:HighestQuarterlyReturnLabel>
  <rr:HighestQuarterlyReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_C00002567_Member">Best Quarter</rr:HighestQuarterlyReturnLabel>
  <rr:HighestQuarterlyReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_C000025633_Member">Best Quarter</rr:HighestQuarterlyReturnLabel>
  <rr:HighestQuarterlyReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_C000025649_Member">Best Quarter</rr:HighestQuarterlyReturnLabel>
  <rr:HighestQuarterlyReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_C000025646_Member">Best Quarter</rr:HighestQuarterlyReturnLabel>
  <rr:IndexNoDeductionForFeesExpensesTaxes contextRef="TwelveMonthsEnded_30Apr2011_M_S_C_I_E_A_F_E_Net_Index_Member_Since_Inception_Period_One_Member">(reflects no deduction for fees or expenses)</rr:IndexNoDeductionForFeesExpensesTaxes>
  <rr:IndexNoDeductionForFeesExpensesTaxes contextRef="TwelveMonthsEnded_30Apr2011_Barclays_Capital_U_S_Aggregate_Bond_Index_Member_Since_Inception_Period_Seven_Member">(reflects no deduction for fees, expenses, or taxes)</rr:IndexNoDeductionForFeesExpensesTaxes>
  <rr:IndexNoDeductionForFeesExpensesTaxes contextRef="TwelveMonthsEnded_30Apr2011_Russell_Midcap_Value_Index_Member_Since_Inception_Period_Three_Member">(reflects no deduction for fees, expenses, or taxes)</rr:IndexNoDeductionForFeesExpensesTaxes>
  <rr:IndexNoDeductionForFeesExpensesTaxes contextRef="TwelveMonthsEnded_30Apr2011_S_And_P_Five_Hundred_Index_Member_Since_Inception_Period_Seven_Member">(reflects no deduction for fees, expenses, or taxes)</rr:IndexNoDeductionForFeesExpensesTaxes>
  <rr:IndexNoDeductionForFeesExpensesTaxes contextRef="TwelveMonthsEnded_30Apr2011_Russell_One_Thousand_Value_Index_Member_Since_Inception_Period_One_Member">(reflects no deduction for fees, expenses, or taxes)</rr:IndexNoDeductionForFeesExpensesTaxes>
  <rr:IndexNoDeductionForFeesExpensesTaxes contextRef="TwelveMonthsEnded_30Apr2011_Russell_Two_Thousand_Index_Member_Since_Inception_Period_Five_Member">(reflects no deduction for fees, expenses, or taxes)</rr:IndexNoDeductionForFeesExpensesTaxes>
  <rr:IndexNoDeductionForFeesExpensesTaxes contextRef="TwelveMonthsEnded_30Apr2011_Russell_Midcap_Growth_Index_Member_Since_Inception_Period_Seven_Member">(reflects no deduction for fees, expenses, or taxes)</rr:IndexNoDeductionForFeesExpensesTaxes>
  <rr:IndexNoDeductionForFeesExpensesTaxes contextRef="TwelveMonthsEnded_30Apr2011_Russell_One_Thousand_Growth_Index_Member_Since_Inception_Period_Seven_Member">(reflects no deduction for fees, expenses, or taxes)</rr:IndexNoDeductionForFeesExpensesTaxes>
  <rr:IndexNoDeductionForFeesExpensesTaxes contextRef="TwelveMonthsEnded_30Apr2011_Russell_Midcap_Value_Index_Member_Since_Inception_Period_Seven_Member">(reflects no deduction for fees, expenses, or taxes)</rr:IndexNoDeductionForFeesExpensesTaxes>
  <rr:IndexNoDeductionForFeesExpensesTaxes contextRef="TwelveMonthsEnded_30Apr2011_Russell_Two_Thousand_Index_Member_Since_Inception_Period_Two_Member">(reflects no deduction for fees, expenses, or taxes)</rr:IndexNoDeductionForFeesExpensesTaxes>
  <rr:IndexNoDeductionForFeesExpensesTaxes contextRef="TwelveMonthsEnded_30Apr2011_M_S_C_I_E_A_F_E_Net_Index_Member_Since_Inception_Period_Seven_Member">(reflects no deduction for fees or expenses)</rr:IndexNoDeductionForFeesExpensesTaxes>
  <rr:IndexNoDeductionForFeesExpensesTaxes contextRef="TwelveMonthsEnded_30Apr2011_Russell_One_Thousand_Value_Index_Member_Since_Inception_Period_Eight_Member">(reflects no deduction for fees, expenses, or taxes)</rr:IndexNoDeductionForFeesExpensesTaxes>
  <rr:IndexNoDeductionForFeesExpensesTaxes contextRef="TwelveMonthsEnded_30Apr2011_Russell_One_Thousand_Growth_Index_Member_Since_Inception_Period_Six_Member">(reflects no deduction for fees, expenses, or taxes)</rr:IndexNoDeductionForFeesExpensesTaxes>
  <rr:IndexNoDeductionForFeesExpensesTaxes contextRef="TwelveMonthsEnded_30Apr2011_Barclays_Capital_Government_Mortgage_Index_Member_Since_Inception_Period_Seven_Member">(reflects no deduction for fees, expenses, or taxes)</rr:IndexNoDeductionForFeesExpensesTaxes>
  <rr:IndexNoDeductionForFeesExpensesTaxes contextRef="TwelveMonthsEnded_30Apr2011_S_And_P_Five_Hundred_Index_Member_Since_Inception_Period_Two_Member">(reflects no deduction for fees, expenses, or taxes)</rr:IndexNoDeductionForFeesExpensesTaxes>
  <rr:LowestQuarterlyReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_C000025653_Member">Worst Quarter</rr:LowestQuarterlyReturnLabel>
  <rr:LowestQuarterlyReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_C000025655_Member">Worst Quarter</rr:LowestQuarterlyReturnLabel>
  <rr:LowestQuarterlyReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_C000025644_Member">Worst Quarter</rr:LowestQuarterlyReturnLabel>
  <rr:LowestQuarterlyReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_C000025634_Member">Worst Quarter</rr:LowestQuarterlyReturnLabel>
  <rr:LowestQuarterlyReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_C000025646_Member">Worst Quarter</rr:LowestQuarterlyReturnLabel>
  <rr:LowestQuarterlyReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_C000025636_Member">Worst Quarter</rr:LowestQuarterlyReturnLabel>
  <rr:LowestQuarterlyReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_C000025652_Member">Worst Quarter</rr:LowestQuarterlyReturnLabel>
  <rr:LowestQuarterlyReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_C000025638_Member">Worst Quarter</rr:LowestQuarterlyReturnLabel>
  <rr:LowestQuarterlyReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_C000025659_Member">Worst Quarter</rr:LowestQuarterlyReturnLabel>
  <rr:LowestQuarterlyReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_C000025657_Member">Worst Quarter</rr:LowestQuarterlyReturnLabel>
  <rr:LowestQuarterlyReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_C000025650_Member">Worst Quarter</rr:LowestQuarterlyReturnLabel>
  <rr:LowestQuarterlyReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_C000025640_Member">Worst Quarter</rr:LowestQuarterlyReturnLabel>
  <rr:LowestQuarterlyReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_C000025641_Member">Worst Quarter</rr:LowestQuarterlyReturnLabel>
  <rr:LowestQuarterlyReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_C000025633_Member">Worst Quarter</rr:LowestQuarterlyReturnLabel>
  <rr:LowestQuarterlyReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_C00002567_Member">Worst Quarter</rr:LowestQuarterlyReturnLabel>
  <rr:LowestQuarterlyReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_C000025649_Member">Worst Quarter</rr:LowestQuarterlyReturnLabel>
  <rr:LowestQuarterlyReturnLabel contextRef="TwelveMonthsEnded_30Apr2011_C000025643_Member">Worst Quarter</rr:LowestQuarterlyReturnLabel>
  <rr:ManagementFeesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025653_Member" unitRef="Pure" decimals="4">0.0085</rr:ManagementFeesOverAssets>
  <rr:ManagementFeesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025636_Member" unitRef="Pure" decimals="4">0.0040</rr:ManagementFeesOverAssets>
  <rr:ManagementFeesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025649_Member" unitRef="Pure" decimals="4">0.0080</rr:ManagementFeesOverAssets>
  <rr:ManagementFeesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025657_Member" unitRef="Pure" decimals="4">0.0030</rr:ManagementFeesOverAssets>
  <rr:ManagementFeesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025659_Member" unitRef="Pure" decimals="4">0.0054</rr:ManagementFeesOverAssets>
  <rr:ManagementFeesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025640_Member" unitRef="Pure" decimals="4">0.0075</rr:ManagementFeesOverAssets>
  <rr:ManagementFeesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025644_Member" unitRef="Pure" decimals="4">0.0075</rr:ManagementFeesOverAssets>
  <rr:ManagementFeesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025652_Member" unitRef="Pure" decimals="4">0.0085</rr:ManagementFeesOverAssets>
  <rr:ManagementFeesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025643_Member" unitRef="Pure" decimals="4">0.0075</rr:ManagementFeesOverAssets>
  <rr:ManagementFeesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025638_Member" unitRef="Pure" decimals="4">0.0021</rr:ManagementFeesOverAssets>
  <rr:ManagementFeesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025641_Member" unitRef="Pure" decimals="4">0.0075</rr:ManagementFeesOverAssets>
  <rr:ManagementFeesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025646_Member" unitRef="Pure" decimals="4">0.0075</rr:ManagementFeesOverAssets>
  <rr:ManagementFeesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025634_Member" unitRef="Pure" decimals="4">0.0062</rr:ManagementFeesOverAssets>
  <rr:ManagementFeesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025655_Member" unitRef="Pure" decimals="4">0.0100</rr:ManagementFeesOverAssets>
  <rr:ManagementFeesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025633_Member" unitRef="Pure" decimals="4">0.0062</rr:ManagementFeesOverAssets>
  <rr:ManagementFeesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C00002567_Member" unitRef="Pure" decimals="4">0.0075</rr:ManagementFeesOverAssets>
  <rr:ManagementFeesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025650_Member" unitRef="Pure" decimals="4">0.0080</rr:ManagementFeesOverAssets>
  <rr:NetExpensesOverAssets id="Item-17" contextRef="TwelveMonthsEnded_30Apr2011_C000025641_Member" unitRef="Pure" decimals="4">0.0109</rr:NetExpensesOverAssets>
  <rr:NetExpensesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025638_Member" unitRef="Pure" decimals="4">0.0048</rr:NetExpensesOverAssets>
  <rr:NetExpensesOverAssets id="Item-04" contextRef="TwelveMonthsEnded_30Apr2011_C000025640_Member" unitRef="Pure" decimals="4">0.0084</rr:NetExpensesOverAssets>
  <rr:NetExpensesOverAssets id="Item-06" contextRef="TwelveMonthsEnded_30Apr2011_C000025636_Member" unitRef="Pure" decimals="4">0.0069</rr:NetExpensesOverAssets>
  <rr:NetExpensesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025655_Member" unitRef="Pure" decimals="4">0.0118</rr:NetExpensesOverAssets>
  <rr:NetExpensesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025633_Member" unitRef="Pure" decimals="4">0.0064</rr:NetExpensesOverAssets>
  <rr:NetExpensesOverAssets id="Item-15" contextRef="TwelveMonthsEnded_30Apr2011_C000025653_Member" unitRef="Pure" decimals="4">0.0131</rr:NetExpensesOverAssets>
  <rr:NetExpensesOverAssets id="Item-08" contextRef="TwelveMonthsEnded_30Apr2011_C000025659_Member" unitRef="Pure" decimals="4">0.0085</rr:NetExpensesOverAssets>
  <rr:NetExpensesOverAssets id="Item-20" contextRef="TwelveMonthsEnded_30Apr2011_C000025657_Member" unitRef="Pure" decimals="4">0.0048</rr:NetExpensesOverAssets>
  <rr:NetExpensesOverAssets id="Item-14" contextRef="TwelveMonthsEnded_30Apr2011_C000025652_Member" unitRef="Pure" decimals="4">0.0106</rr:NetExpensesOverAssets>
  <rr:NetExpensesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025634_Member" unitRef="Pure" decimals="4">0.0085</rr:NetExpensesOverAssets>
  <rr:ObjectiveHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009358_Member_Prospectus_Twelve_Member">Investment Objective</rr:ObjectiveHeading>
  <rr:ObjectiveHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Three_Member_S000009358_Member">Investment Objective</rr:ObjectiveHeading>
  <rr:ObjectiveHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Nine_Member_S000009360_Member">Investment Objective</rr:ObjectiveHeading>
  <rr:ObjectiveHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Ten_Member_S000009352_Member">Investment Objective</rr:ObjectiveHeading>
  <rr:ObjectiveHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009359_Member_Prospectus_Seven_Member">Investment Objective</rr:ObjectiveHeading>
  <rr:ObjectiveHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009352_Member_Prospectus_Six_Member">Investment Objective</rr:ObjectiveHeading>
  <rr:ObjectiveHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009356_Member_Prospectus_Fifteen_Member">Investment Objective</rr:ObjectiveHeading>
  <rr:ObjectiveHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009354_Member_Prospectus_Sixteen_Member">Investment Objective</rr:ObjectiveHeading>
  <rr:ObjectiveHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Four_Member_S000009355_Member">Investment Objective</rr:ObjectiveHeading>
  <rr:ObjectiveHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Five_Member_S000009356_Member">Investment Objective</rr:ObjectiveHeading>
  <rr:ObjectiveHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009355_Member_Prospectus_Thirteen_Member">Investment Objective</rr:ObjectiveHeading>
  <rr:ObjectiveHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Two_Member_S000009357_Member">Investment Objective</rr:ObjectiveHeading>
  <rr:ObjectiveHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009353_Member_Prospectus_Fourteen_Member">Investment Objective</rr:ObjectiveHeading>
  <rr:ObjectiveHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eleven_Member_S000009357_Member">Investment Objective</rr:ObjectiveHeading>
  <rr:ObjectiveHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eight_Member_S000009362_Member">Investment Objective</rr:ObjectiveHeading>
  <rr:ObjectiveHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_One_Member_S000009359_Member">Investment Objective</rr:ObjectiveHeading>
  <rr:ObjectiveHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009361_Member_Prospectus_Seventeen_Member">Investment Objective</rr:ObjectiveHeading>
  <rr:ObjectivePrimaryTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Five_Member_S000009356_Member">The Goldman Sachs Strategic Growth Fund (formerly, the Goldman Sachs Capital Growth Fund) (the "Fund") seeks long-term growth of capital.</rr:ObjectivePrimaryTextBlock>
  <rr:ObjectivePrimaryTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Nine_Member_S000009360_Member">The Goldman Sachs Growth Opportunities Fund (the "Fund") seeks long-term growth of capital.</rr:ObjectivePrimaryTextBlock>
  <rr:ObjectivePrimaryTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Three_Member_S000009358_Member">The Goldman Sachs Mid Cap Value Fund (the "Fund") seeks long-term capital appreciation.</rr:ObjectivePrimaryTextBlock>
  <rr:ObjectivePrimaryTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Ten_Member_S000009352_Member">The Goldman Sachs Structured U.S. Equity Fund (the "Fund") seeks long-term growth of capital and dividend income.</rr:ObjectivePrimaryTextBlock>
  <rr:ObjectivePrimaryTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009359_Member_Prospectus_Seven_Member">The Goldman Sachs Strategic International Equity Fund (the "Fund") seeks long-term growth of capital.</rr:ObjectivePrimaryTextBlock>
  <rr:ObjectivePrimaryTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009352_Member_Prospectus_Six_Member">The Goldman Sachs Structured U.S. Equity Fund (the "Fund") seeks long-term growth of capital and dividend income.</rr:ObjectivePrimaryTextBlock>
  <rr:ObjectivePrimaryTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009361_Member_Prospectus_Seventeen_Member">The Goldman Sachs Equity Index Fund (the "Fund") seeks to achieve investment results that correspond to the aggregate price and yield performance of a benchmark index that measures the investment returns of large capitalization stocks.</rr:ObjectivePrimaryTextBlock>
  <rr:ObjectivePrimaryTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009356_Member_Prospectus_Fifteen_Member">The Goldman Sachs Strategic Growth Fund (the "Fund") seeks long-term growth of capital.</rr:ObjectivePrimaryTextBlock>
  <rr:ObjectivePrimaryTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eleven_Member_S000009357_Member">The Goldman Sachs Large Cap Value Fund (the "Fund") seeks long-term capital appreciation.</rr:ObjectivePrimaryTextBlock>
  <rr:ObjectivePrimaryTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Two_Member_S000009357_Member">The Goldman Sachs Large Cap Value Fund (the "Fund") seeks long-term capital appreciation.</rr:ObjectivePrimaryTextBlock>
  <rr:ObjectivePrimaryTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_One_Member_S000009359_Member">The Goldman Sachs Strategic International Equity Fund (the "Fund") seeks long-term growth of capital.</rr:ObjectivePrimaryTextBlock>
  <rr:ObjectivePrimaryTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Four_Member_S000009355_Member">The Goldman Sachs Structured Small Cap Equity Fund (the "Fund") seeks long-term growth of capital.</rr:ObjectivePrimaryTextBlock>
  <rr:ObjectivePrimaryTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009355_Member_Prospectus_Thirteen_Member">The Goldman Sachs Structured Small Cap Equity Fund (the "Fund") seeks long-term growth of capital.</rr:ObjectivePrimaryTextBlock>
  <rr:ObjectivePrimaryTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009354_Member_Prospectus_Sixteen_Member">The Goldman Sachs Money Market Fund (the "Fund") seeks to maximize current income to the extent consistent with the preservation of capital and the maintenance of liquidity by investing exclusively in high quality money market instruments.</rr:ObjectivePrimaryTextBlock>
  <rr:ObjectivePrimaryTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eight_Member_S000009362_Member">The Goldman Sachs Government Income Fund (the "Fund") seeks a high level of current income, consistent with safety of principal.</rr:ObjectivePrimaryTextBlock>
  <rr:ObjectivePrimaryTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009353_Member_Prospectus_Fourteen_Member">The Goldman Sachs Core Fixed Income Fund (the "Fund") seeks a total return consisting of capital appreciation and income that exceeds the total return of the Barclays Capital U.S. Aggregate Bond Index (the "Index").</rr:ObjectivePrimaryTextBlock>
  <rr:ObjectivePrimaryTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009358_Member_Prospectus_Twelve_Member">The Goldman Sachs Mid Cap Value Fund (the "Fund") seeks long-term capital appreciation.</rr:ObjectivePrimaryTextBlock>
  <rr:OperatingExpensesCaption contextRef="TwelveMonthsEnded_30Apr2011_S000009356_Member_Prospectus_Fifteen_Member">Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)</rr:OperatingExpensesCaption>
  <rr:OperatingExpensesCaption contextRef="TwelveMonthsEnded_30Apr2011_S000009353_Member_Prospectus_Fourteen_Member">Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)</rr:OperatingExpensesCaption>
  <rr:OperatingExpensesCaption contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eleven_Member_S000009357_Member">Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)</rr:OperatingExpensesCaption>
  <rr:OperatingExpensesCaption contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eight_Member_S000009362_Member">Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment):</rr:OperatingExpensesCaption>
  <rr:OperatingExpensesCaption contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Five_Member_S000009356_Member">Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)</rr:OperatingExpensesCaption>
  <rr:OperatingExpensesCaption contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Two_Member_S000009357_Member">Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)</rr:OperatingExpensesCaption>
  <rr:OperatingExpensesCaption contextRef="TwelveMonthsEnded_30Apr2011_S000009358_Member_Prospectus_Twelve_Member">Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)</rr:OperatingExpensesCaption>
  <rr:OperatingExpensesCaption contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Nine_Member_S000009360_Member">Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)</rr:OperatingExpensesCaption>
  <rr:OperatingExpensesCaption contextRef="TwelveMonthsEnded_30Apr2011_S000009355_Member_Prospectus_Thirteen_Member">Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)</rr:OperatingExpensesCaption>
  <rr:OperatingExpensesCaption contextRef="TwelveMonthsEnded_30Apr2011_S000009359_Member_Prospectus_Seven_Member">Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)</rr:OperatingExpensesCaption>
  <rr:OperatingExpensesCaption contextRef="TwelveMonthsEnded_30Apr2011_S000009361_Member_Prospectus_Seventeen_Member">Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment):</rr:OperatingExpensesCaption>
  <rr:OperatingExpensesCaption contextRef="TwelveMonthsEnded_30Apr2011_S000009354_Member_Prospectus_Sixteen_Member">Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment):</rr:OperatingExpensesCaption>
  <rr:OperatingExpensesCaption contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Ten_Member_S000009352_Member">Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)</rr:OperatingExpensesCaption>
  <rr:OperatingExpensesCaption contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Four_Member_S000009355_Member">Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)</rr:OperatingExpensesCaption>
  <rr:OperatingExpensesCaption contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_One_Member_S000009359_Member">Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)</rr:OperatingExpensesCaption>
  <rr:OperatingExpensesCaption contextRef="TwelveMonthsEnded_30Apr2011_S000009352_Member_Prospectus_Six_Member">Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)</rr:OperatingExpensesCaption>
  <rr:OperatingExpensesCaption contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Three_Member_S000009358_Member">Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)</rr:OperatingExpensesCaption>
  <rr:OtherExpensesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025659_Member" unitRef="Pure" decimals="4">0.0029</rr:OtherExpensesOverAssets>
  <rr:OtherExpensesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025644_Member" unitRef="Pure" decimals="4">0.0011</rr:OtherExpensesOverAssets>
  <rr:OtherExpensesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025652_Member" unitRef="Pure" decimals="4">0.0020</rr:OtherExpensesOverAssets>
  <rr:OtherExpensesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025640_Member" unitRef="Pure" decimals="4">0.0022</rr:OtherExpensesOverAssets>
  <rr:OtherExpensesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025653_Member" unitRef="Pure" decimals="4">0.0020</rr:OtherExpensesOverAssets>
  <rr:OtherExpensesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025646_Member" unitRef="Pure" decimals="4">0.0005</rr:OtherExpensesOverAssets>
  <rr:OtherExpensesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025657_Member" unitRef="Pure" decimals="4">0.0016</rr:OtherExpensesOverAssets>
  <rr:OtherExpensesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025636_Member" unitRef="Pure" decimals="4">0.0016</rr:OtherExpensesOverAssets>
  <rr:OtherExpensesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025650_Member" unitRef="Pure" decimals="4">0.0007</rr:OtherExpensesOverAssets>
  <rr:OtherExpensesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025655_Member" unitRef="Pure" decimals="4">0.0018</rr:OtherExpensesOverAssets>
  <rr:OtherExpensesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025634_Member" unitRef="Pure" decimals="4">0.0008</rr:OtherExpensesOverAssets>
  <rr:OtherExpensesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025638_Member" unitRef="Pure" decimals="4">0.0017</rr:OtherExpensesOverAssets>
  <rr:OtherExpensesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025641_Member" unitRef="Pure" decimals="4">0.0022</rr:OtherExpensesOverAssets>
  <rr:OtherExpensesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025643_Member" unitRef="Pure" decimals="4">0.0011</rr:OtherExpensesOverAssets>
  <rr:OtherExpensesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C00002567_Member" unitRef="Pure" decimals="4">0.0005</rr:OtherExpensesOverAssets>
  <rr:OtherExpensesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025649_Member" unitRef="Pure" decimals="4">0.0007</rr:OtherExpensesOverAssets>
  <rr:OtherExpensesOverAssets contextRef="TwelveMonthsEnded_30Apr2011_C000025633_Member" unitRef="Pure" decimals="4">0.0008</rr:OtherExpensesOverAssets>
  <rr:PerformanceAvailabilityWebSiteAddress contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eleven_Member_S000009357_Member">www.goldmansachsfunds.com/vit</rr:PerformanceAvailabilityWebSiteAddress>
  <rr:PerformanceAvailabilityWebSiteAddress contextRef="TwelveMonthsEnded_30Apr2011_S000009356_Member_Prospectus_Fifteen_Member">www.goldmansachsfunds.com/vit</rr:PerformanceAvailabilityWebSiteAddress>
  <rr:PerformanceAvailabilityWebSiteAddress contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_One_Member_S000009359_Member">www.goldmansachsfunds.com/vit</rr:PerformanceAvailabilityWebSiteAddress>
  <rr:PerformanceAvailabilityWebSiteAddress contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Ten_Member_S000009352_Member">www.goldmansachsfunds.com/vit</rr:PerformanceAvailabilityWebSiteAddress>
  <rr:PerformanceAvailabilityWebSiteAddress contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Four_Member_S000009355_Member">www.goldmansachsfunds.com/vit</rr:PerformanceAvailabilityWebSiteAddress>
  <rr:PerformanceAvailabilityWebSiteAddress contextRef="TwelveMonthsEnded_30Apr2011_S000009359_Member_Prospectus_Seven_Member">www.goldmansachsfunds.com/vit</rr:PerformanceAvailabilityWebSiteAddress>
  <rr:PerformanceAvailabilityWebSiteAddress contextRef="TwelveMonthsEnded_30Apr2011_S000009355_Member_Prospectus_Thirteen_Member">www.goldmansachsfunds.com/vit</rr:PerformanceAvailabilityWebSiteAddress>
  <rr:PerformanceAvailabilityWebSiteAddress contextRef="TwelveMonthsEnded_30Apr2011_S000009361_Member_Prospectus_Seventeen_Member">www.goldmansachsfunds.com/vit</rr:PerformanceAvailabilityWebSiteAddress>
  <rr:PerformanceAvailabilityWebSiteAddress contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Two_Member_S000009357_Member">www.goldmansachsfunds.com/vit</rr:PerformanceAvailabilityWebSiteAddress>
  <rr:PerformanceAvailabilityWebSiteAddress contextRef="TwelveMonthsEnded_30Apr2011_S000009358_Member_Prospectus_Twelve_Member">www.goldmansachsfunds.com/vit</rr:PerformanceAvailabilityWebSiteAddress>
  <rr:PerformanceAvailabilityWebSiteAddress contextRef="TwelveMonthsEnded_30Apr2011_S000009354_Member_Prospectus_Sixteen_Member">www.goldmansachsfunds.com/vit</rr:PerformanceAvailabilityWebSiteAddress>
  <rr:PerformanceAvailabilityWebSiteAddress contextRef="TwelveMonthsEnded_30Apr2011_S000009352_Member_Prospectus_Six_Member">www.goldmansachsfunds.com/vit</rr:PerformanceAvailabilityWebSiteAddress>
  <rr:PerformanceAvailabilityWebSiteAddress contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Five_Member_S000009356_Member">www.goldmansachsfunds.com/vit</rr:PerformanceAvailabilityWebSiteAddress>
  <rr:PerformanceAvailabilityWebSiteAddress contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Nine_Member_S000009360_Member">www.goldmansachsfunds.com/vit</rr:PerformanceAvailabilityWebSiteAddress>
  <rr:PerformanceAvailabilityWebSiteAddress contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eight_Member_S000009362_Member">www.goldmansachsfunds.com/vit</rr:PerformanceAvailabilityWebSiteAddress>
  <rr:PerformanceAvailabilityWebSiteAddress contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Three_Member_S000009358_Member">www.goldmansachsfunds.com/vit</rr:PerformanceAvailabilityWebSiteAddress>
  <rr:PerformanceAvailabilityWebSiteAddress contextRef="TwelveMonthsEnded_30Apr2011_S000009353_Member_Prospectus_Fourteen_Member">www.goldmansachsfunds.com/vit</rr:PerformanceAvailabilityWebSiteAddress>
  <rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="TwelveMonthsEnded_30Apr2011_S000009361_Member_Prospectus_Seventeen_Member">The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund's Service Shares from year to year; and (b) how the average annual total returns of the Fund's Service Shares compare to those of a broad-based securities market index.</rr:PerformanceInformationIllustratesVariabilityOfReturns>
  <rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Nine_Member_S000009360_Member">The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund's Service Shares from year to year; and (b) how the average annual total returns of the Fund's Service Shares compare to those of a broad-based securities market index.</rr:PerformanceInformationIllustratesVariabilityOfReturns>
  <rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eight_Member_S000009362_Member">The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund's Service Shares from year to year; and (b) how the average annual total returns of the Fund's Service Shares compare to those of a broad-based securities market index.</rr:PerformanceInformationIllustratesVariabilityOfReturns>
  <rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="TwelveMonthsEnded_30Apr2011_S000009359_Member_Prospectus_Seven_Member">The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund's Service Shares from year to year; and (b) how the average annual total returns of the Fund's Service Shares compare to those of broad-based securities market indices.</rr:PerformanceInformationIllustratesVariabilityOfReturns>
  <rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="TwelveMonthsEnded_30Apr2011_S000009356_Member_Prospectus_Fifteen_Member">The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund's Service Shares from year to year; and (b) how the average annual total returns of the Fund's Service Shares compare to those of a broad-based securities market index.</rr:PerformanceInformationIllustratesVariabilityOfReturns>
  <rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eleven_Member_S000009357_Member">The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund's Service Shares from year to year; and (b) how the average annual total returns of the Fund's Service Shares compare to those of a broad-based securities market index.</rr:PerformanceInformationIllustratesVariabilityOfReturns>
  <rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="TwelveMonthsEnded_30Apr2011_S000009355_Member_Prospectus_Thirteen_Member">The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund's Service Shares from year to year; and (b) how the average annual total returns of the Fund's Service Shares compare to those of a broad-based securities market index.</rr:PerformanceInformationIllustratesVariabilityOfReturns>
  <rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Four_Member_S000009355_Member">The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund's Institutional Shares from year to year; and (b) how the average annual total returns of the Fund's Institutional Shares compare to those of a broad-based securities market index.</rr:PerformanceInformationIllustratesVariabilityOfReturns>
  <rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="TwelveMonthsEnded_30Apr2011_S000009354_Member_Prospectus_Sixteen_Member">The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund's Service Shares from year to year; and (b) the average annual total returns of the Fund's Service Shares.</rr:PerformanceInformationIllustratesVariabilityOfReturns>
  <rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="TwelveMonthsEnded_30Apr2011_S000009358_Member_Prospectus_Twelve_Member">The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund's Service Shares from year to year; and (b) how the average annual total returns of the Fund's Service Shares compare to those  of a broad-based securities market index.</rr:PerformanceInformationIllustratesVariabilityOfReturns>
  <rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Three_Member_S000009358_Member">The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund's Institutional Shares from year to year; and (b) how the average annual total returns of the Fund's Institutional Shares compare to those of a broad-based securities market index.</rr:PerformanceInformationIllustratesVariabilityOfReturns>
  <rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Two_Member_S000009357_Member">The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund's Institutional Shares from year to year; and (b) how the average annual total returns of the Fund's Institutional Shares compare to those of a broad-based securities market index.</rr:PerformanceInformationIllustratesVariabilityOfReturns>
  <rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Five_Member_S000009356_Member">The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund's Institutional Shares from year to year; and (b) how the average annual total returns of the Fund's Institutional Shares compare to those of a broad-based securities market index.</rr:PerformanceInformationIllustratesVariabilityOfReturns>
  <rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="TwelveMonthsEnded_30Apr2011_S000009352_Member_Prospectus_Six_Member">The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund's Institutional Shares from year to year; and (b) how the average annual total returns of the Fund's Institutional Shares compare to those of a broad-based securities market index.</rr:PerformanceInformationIllustratesVariabilityOfReturns>
  <rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Ten_Member_S000009352_Member">The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund's Service Shares from year to year; and (b) how the average annual total returns of the Fund's Service Shares compare to those of a broad-based securities market index.</rr:PerformanceInformationIllustratesVariabilityOfReturns>
  <rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_One_Member_S000009359_Member">The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund's Institutional Shares from year to year; and (b) how the average annual total returns of the Fund's Institutional Shares compare to those of broad-based securities market indices.</rr:PerformanceInformationIllustratesVariabilityOfReturns>
  <rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="TwelveMonthsEnded_30Apr2011_S000009353_Member_Prospectus_Fourteen_Member">The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund's Service Shares from year to year; and (b) how the average annual total returns of the Fund's Service Shares compare to those of a broad-based securities market index.</rr:PerformanceInformationIllustratesVariabilityOfReturns>
  <rr:PerformanceNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009358_Member_Prospectus_Twelve_Member">The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund's Service Shares from year to year; and (b) how the average annual total returns of the Fund's Service Shares compare to those  of a broad-based securities market index. The Fund's past performance is not necessarily an indication of how the Fund will perform in the future. Performance reflects expense limitations in effect. In addition, performance reflects Fund level expenses but does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option for any contract or policy. Had performance reflected all of those fees and expenses, performance would have been reduced. Updated performance information is available at no cost at www.goldmansachsfunds.com/vit or by calling the phone number on the back cover of this Prospectus.</rr:PerformanceNarrativeTextBlock>
  <rr:PerformanceNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009352_Member_Prospectus_Six_Member">&lt;p&gt;The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund's Institutional Shares from year to year; and (b) how the average annual total returns of the Fund's Institutional Shares compare to those of a broad-based securities market index. The Fund's past performance is not necessarily an indication of how the Fund will perform in the future. Performance reflects expense limitations in effect. In addition, performance reflects Fund level expenses but does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option for any contract or policy. Had performance reflected all of those fees and expenses, performance would have been reduced. Updated performance information is available at no cost at www.goldmansachsfunds.com/vit or by calling the phone number on the back cover of this Prospectus.&lt;/p&gt;</rr:PerformanceNarrativeTextBlock>
  <rr:PerformanceNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009355_Member_Prospectus_Thirteen_Member">The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund's Service Shares from year to year; and (b) how the average annual total returns of the Fund's Service Shares compare to those of a broad-based securities market index. The Fund's past performance is not necessarily an indication of how the Fund will perform in the future. Performance reflects fee waivers and expense limitations in effect. In addition, performance reflects Fund level expenses but does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option for any contract or policy. Had performance reflected all of those fees and expenses, performance would have been reduced. Updated performance information is available at no cost at www.goldmansachsfunds.com/vit or by calling the phone number on the back cover of this Prospectus.</rr:PerformanceNarrativeTextBlock>
  <rr:PerformanceNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Three_Member_S000009358_Member">The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund's Institutional Shares from year to year; and (b) how the average annual total returns of the Fund's Institutional Shares compare to those of a broad-based securities market index. The Fund's past performance is not necessarily an indication of how the Fund will perform in the future. Performance reflects expense limitations in effect. In addition, performance reflects Fund level expenses but does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option for any contract or policy. Had performance reflected all of those fees and expenses, performance would have been reduced. Updated performance information is available at no cost at www.goldmansachsfunds.com/vit or by calling the phone number on the back cover of this Prospectus.</rr:PerformanceNarrativeTextBlock>
  <rr:PerformanceNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Five_Member_S000009356_Member">The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund's Institutional Shares from year to year; and (b) how the average annual total returns of the Fund's Institutional Shares compare to those of a broad-based securities market index. The Fund's past performance is not necessarily an indication of how the Fund will perform in the future. Performance reflects expense limitations in effect. In addition, performance reflects Fund level expenses but does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option for any contract or policy. Had performance reflected all of those fees and expenses, performance would have been reduced. Updated performance information is available at no cost at www.goldmansachsfunds.com/vit or by calling the phone number on the back cover of this Prospectus.</rr:PerformanceNarrativeTextBlock>
  <rr:PerformanceNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Nine_Member_S000009360_Member">The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund's Service Shares from year to year; and (b) how the average annual total returns of the Fund's Service Shares compare to those of a broad-based securities market index. The Fund's past performance is not necessarily an indication of how the Fund will perform in the future. Performance reflects fee waivers and expense limitations in effect. In addition, performance reflects Fund level expenses but does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option for any contract or policy. Had performance reflected all of those fees and expenses, performance would have been reduced. Updated performance information is available at no cost at www.goldmansachsfunds.com/vit or by calling the phone number on the back cover of this Prospectus.</rr:PerformanceNarrativeTextBlock>
  <rr:PerformanceNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009356_Member_Prospectus_Fifteen_Member">The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund's Service Shares from year to year; and (b) how the average annual total returns of the Fund's Service Shares compare to those of a broad-based securities market index. The Fund's past performance is not necessarily an indication of how the Fund will perform in the future. Performance reflects expense limitations in effect. In addition, performance reflects Fund level expenses but does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option for any contract or policy. Had performance reflected all of those fees and expenses, performance would have been reduced. Updated performance information is available at no cost at www.goldmansachsfunds.com/vit or by calling the phone number on the back cover of this Prospectus.</rr:PerformanceNarrativeTextBlock>
  <rr:PerformanceNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009359_Member_Prospectus_Seven_Member">The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund's Service Shares from year to year; and (b) how the average annual total returns of the Fund's Service Shares compare to those of broad-based securities market indices. The Fund's past performance is not necessarily an indication of how the Fund will perform in the future. Performance reflects expense limitations in effect. In addition, performance reflects Fund level expenses but does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option for any contract or policy. Had performance reflected all of those fees and expenses, performance would have been reduced. Updated performance information is available at no cost at www.goldmansachsfunds.com/vit or by calling the phone number at the back cover of this prospectus.</rr:PerformanceNarrativeTextBlock>
  <rr:PerformanceNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eight_Member_S000009362_Member">The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund's Service Shares from year to year; and (b) how the average annual total returns of the Fund's Service Shares compare to those of a broad-based securities market index. The Fund's past performance is not necessarily an indication of how the Fund will perform in the future. Performance reflects expense limitations in effect. In addition, performance reflects Fund level expenses but does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option for any contract or policy. Had performance reflected all of those fees and expenses, performance would have been reduced. Updated performance information is available at no cost at www.goldmansachsfunds.com/vit or by calling the phone number on the back cover of this Prospectus.</rr:PerformanceNarrativeTextBlock>
  <rr:PerformanceNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Four_Member_S000009355_Member">The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund's Institutional Shares from year to year; and (b) how the average annual total returns of the Fund's Institutional Shares compare to those of a broad-based securities market index. The Fund's past performance is not necessarily an indication of how the Fund will perform in the future. Performance reflects fee waivers and expense limitations in effect. In addition, performance reflects Fund level expenses but does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option for any contract or policy. Had performance reflected all of those fees and expenses, performance would have been reduced. Updated performance information is available at no cost at www.goldmansachsfunds.com/vit or by calling the phone number on the back cover of this Prospectus.</rr:PerformanceNarrativeTextBlock>
  <rr:PerformanceNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Ten_Member_S000009352_Member">The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund's Service Shares from year to year; and (b) how the average annual total returns of the Fund's Service Shares compare to those of a broad-based securities market index. The Fund's past performance is not necessarily an indication of how the Fund will perform in the future. Performance reflects fee waivers and expense limitations in effect. In addition, performance reflects Fund level expenses but does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option for any contract or policy. Had performance reflected all of those fees and expenses, performance would have been reduced. Updated performance information is available at no cost at www.goldmansachsfunds.com/vit or by calling the phone number on the back cover of this Prospectus.</rr:PerformanceNarrativeTextBlock>
  <rr:PerformanceNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009354_Member_Prospectus_Sixteen_Member">The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund's Service Shares from year to year; and (b) the average annual total returns of the Fund's Service Shares. The Fund's past performance is not necessarily an indication of how the Fund will perform in the future. Performance reflects expense limitations and fee waivers in effect. In addition, performance reflects Fund level expenses but does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option for any contract or policy. Had performance reflected all of those fees and expenses, performance would have been reduced. Updated performance information is available at no cost at www.goldmansachsfunds.com/vit or by calling the phone number on the back cover of this Prospectus.</rr:PerformanceNarrativeTextBlock>
  <rr:PerformanceNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009361_Member_Prospectus_Seventeen_Member">The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund's Service Shares from year to year; and (b) how the average annual total returns of the Fund's Service Shares compare to those of a broad-based securities market index. The Fund's past performance is not necessarily an indication of how the Fund will perform in the future. Performance reflects fee waivers and expense limitations in effect. In addition, performance reflects Fund level expenses but does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option for any contract or policy. Had performance reflected all of those fees and expenses, performance would have been reduced. Updated performance information is available at no cost at www.goldmansachsfunds.com/vit or by calling the phone number on the back cover of this Prospectus.</rr:PerformanceNarrativeTextBlock>
  <rr:PerformanceNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009353_Member_Prospectus_Fourteen_Member">The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund's Service Shares from year to year; and (b) how the average annual total returns of the Fund's Service Shares compare to those of a broad-based securities market index. The Fund's past performance is not necessarily an indication of how the Fund will perform in the  future. Performance reflects expense limitations in effect. In addition, performance reflects Fund level expenses but does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option for any contract or policy. Had performance reflected all of those fees and expenses, performance would have been reduced. Updated performance information is available at no cost at www.goldmansachsfunds.com/vit or by calling the phone number on the back cover of this Prospectus.</rr:PerformanceNarrativeTextBlock>
  <rr:PerformanceNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Two_Member_S000009357_Member">&lt;p&gt;The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund&amp;#8217;s Institutional Shares from year to year; and (b) how the average annual total returns of the Fund&amp;#8217;s Institutional Shares compare to those of a broad-based securities market index. The Fund&amp;#8217;s past performance is not necessarily an indication of how the Fund will perform in the future. Performance reflects expense limitations in effect. In addition, performance reflects Fund level expenses but does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option for any contract or policy. Had performance reflected all of those fees and expenses, performance would have been reduced. Updated performance information is available at no cost at www.goldmansachsfunds.com/vit or by calling the phone number on the back cover of this Prospectus.&lt;/p&gt;</rr:PerformanceNarrativeTextBlock>
  <rr:PerformanceNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_One_Member_S000009359_Member">The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund's Institutional Shares from year to year; and (b) how the average annual total returns of the Fund's Institutional Shares compare to those of broad-based securities market indices. The Fund's past performance is not necessarily an indication of how the Fund will perform in the future. Performance reflects expense limitations in effect. In addition, performance reflects Fund level expenses but does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option for any contract or policy. Had performance reflected all of those fees and expenses, performance would have been reduced. Updated performance information is available at no cost at www.goldmansachsfunds.com/vit or by calling the phone number at the back cover of this prospectus.</rr:PerformanceNarrativeTextBlock>
  <rr:PerformanceNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eleven_Member_S000009357_Member">The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund's Service Shares from year to year; and (b) how the average annual total returns of the Fund's Service Shares compare to those of a broad-based securities market index. The Fund's past performance is not necessarily an indication of how the Fund will perform in the future. Performance reflects expense limitations in effect. In addition, performance reflects Fund level expenses but does not reflect the fees and expenses associated with any variable annuity contract or variable life insurance policy that uses the Fund as an investment option for any contract or policy. Had performance reflected all of those fees and expenses, performance would have been reduced. Updated performance information is available at no cost at www.goldmansachsfunds.com/vit or by calling the phone number on the back cover of this Prospectus.</rr:PerformanceNarrativeTextBlock>
  <rr:PerformancePastDoesNotIndicateFuture contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_One_Member_S000009359_Member">The Fund's past performance is not necessarily an indication of how the Fund will perform in the future.</rr:PerformancePastDoesNotIndicateFuture>
  <rr:PerformancePastDoesNotIndicateFuture contextRef="TwelveMonthsEnded_30Apr2011_S000009356_Member_Prospectus_Fifteen_Member">The Fund's past performance is not necessarily an indication of how the Fund will perform in the future.</rr:PerformancePastDoesNotIndicateFuture>
  <rr:PerformancePastDoesNotIndicateFuture contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eight_Member_S000009362_Member">The Fund's past performance is not necessarily an indication of how the Fund will perform in the future.</rr:PerformancePastDoesNotIndicateFuture>
  <rr:PerformancePastDoesNotIndicateFuture contextRef="TwelveMonthsEnded_30Apr2011_S000009352_Member_Prospectus_Six_Member">The Fund's past performance is not necessarily an indication of how the Fund will perform in the future.</rr:PerformancePastDoesNotIndicateFuture>
  <rr:PerformancePastDoesNotIndicateFuture contextRef="TwelveMonthsEnded_30Apr2011_S000009361_Member_Prospectus_Seventeen_Member">The Fund's past performance is not necessarily an indication of how the Fund will perform in the future.</rr:PerformancePastDoesNotIndicateFuture>
  <rr:PerformancePastDoesNotIndicateFuture contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Four_Member_S000009355_Member">The Fund's past performance is not necessarily an indication of how the Fund will perform in the future.</rr:PerformancePastDoesNotIndicateFuture>
  <rr:PerformancePastDoesNotIndicateFuture contextRef="TwelveMonthsEnded_30Apr2011_S000009354_Member_Prospectus_Sixteen_Member">The Fund's past performance is not necessarily an indication of how the Fund will perform in the future.</rr:PerformancePastDoesNotIndicateFuture>
  <rr:PerformancePastDoesNotIndicateFuture contextRef="TwelveMonthsEnded_30Apr2011_S000009358_Member_Prospectus_Twelve_Member">The Fund's past performance is not necessarily an indication of how the Fund will perform in the future.</rr:PerformancePastDoesNotIndicateFuture>
  <rr:PerformancePastDoesNotIndicateFuture contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Two_Member_S000009357_Member">The Fund's past performance is not necessarily an indication of how the Fund will perform in the future.</rr:PerformancePastDoesNotIndicateFuture>
  <rr:PerformancePastDoesNotIndicateFuture contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Ten_Member_S000009352_Member">The Fund's past performance is not necessarily an indication of how the Fund will perform in the future.</rr:PerformancePastDoesNotIndicateFuture>
  <rr:PerformancePastDoesNotIndicateFuture contextRef="TwelveMonthsEnded_30Apr2011_S000009359_Member_Prospectus_Seven_Member">The Fund's past performance is not necessarily an indication of how the Fund will perform in the future.</rr:PerformancePastDoesNotIndicateFuture>
  <rr:PerformancePastDoesNotIndicateFuture contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eleven_Member_S000009357_Member">The Fund's past performance is not necessarily an indication of how the Fund will perform in the future.</rr:PerformancePastDoesNotIndicateFuture>
  <rr:PerformancePastDoesNotIndicateFuture contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Nine_Member_S000009360_Member">The Fund's past performance is not necessarily an indication of how the Fund will perform in the future.</rr:PerformancePastDoesNotIndicateFuture>
  <rr:PerformancePastDoesNotIndicateFuture contextRef="TwelveMonthsEnded_30Apr2011_S000009355_Member_Prospectus_Thirteen_Member">The Fund's past performance is not necessarily an indication of how the Fund will perform in the future.</rr:PerformancePastDoesNotIndicateFuture>
  <rr:PerformancePastDoesNotIndicateFuture contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Three_Member_S000009358_Member">The Fund's past performance is not necessarily an indication of how the Fund will perform in the future.</rr:PerformancePastDoesNotIndicateFuture>
  <rr:PerformancePastDoesNotIndicateFuture contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Five_Member_S000009356_Member">The Fund's past performance is not necessarily an indication of how the Fund will perform in the future.</rr:PerformancePastDoesNotIndicateFuture>
  <rr:PerformancePastDoesNotIndicateFuture contextRef="TwelveMonthsEnded_30Apr2011_S000009353_Member_Prospectus_Fourteen_Member">The Fund's past performance is not necessarily an indication of how the Fund will perform in the  future.</rr:PerformancePastDoesNotIndicateFuture>
  <rr:PerformanceTableClosingTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Two_Member_S000009357_Member">Updated performance information is available at no cost at www.goldmansachsfunds.com/vit or by calling the phone number on the back cover of this Prospectus.</rr:PerformanceTableClosingTextBlock>
  <rr:PerformanceTableClosingTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009359_Member_Prospectus_Seven_Member">Updated performance information is available at no cost at www.goldmansachsfunds.com/vit or by calling the phone number at the back cover of this prospectus.</rr:PerformanceTableClosingTextBlock>
  <rr:PerformanceTableClosingTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eight_Member_S000009362_Member">Updated performance information is available at no cost at www.goldmansachsfunds.com/vit or by calling the phone number on the back cover of this Prospectus.</rr:PerformanceTableClosingTextBlock>
  <rr:PerformanceTableClosingTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009356_Member_Prospectus_Fifteen_Member">Updated performance information is available at no cost at www.goldmansachsfunds.com/vit or by calling the phone number on the back cover of this Prospectus.</rr:PerformanceTableClosingTextBlock>
  <rr:PerformanceTableClosingTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Nine_Member_S000009360_Member">Updated performance information is available at no cost at www.goldmansachsfunds.com/vit or by calling the phone number on the back cover of this Prospectus.</rr:PerformanceTableClosingTextBlock>
  <rr:PerformanceTableClosingTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_One_Member_S000009359_Member">Updated performance information is available at no cost at www.goldmansachsfunds.com/vit or by calling the phone number at the back cover of this prospectus.</rr:PerformanceTableClosingTextBlock>
  <rr:PerformanceTableClosingTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009358_Member_Prospectus_Twelve_Member">Updated performance information is available at no cost at www.goldmansachsfunds.com/vit or by calling the phone number on the back cover of this Prospectus.</rr:PerformanceTableClosingTextBlock>
  <rr:PerformanceTableClosingTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009352_Member_Prospectus_Six_Member">Updated performance information is available at no cost at www.goldmansachsfunds.com/vit or by calling the phone number on the back cover of this Prospectus.</rr:PerformanceTableClosingTextBlock>
  <rr:PerformanceTableClosingTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009353_Member_Prospectus_Fourteen_Member">Updated performance information is available at no cost at www.goldmansachsfunds.com/vit or by calling the phone number on the back cover of this Prospectus.</rr:PerformanceTableClosingTextBlock>
  <rr:PerformanceTableClosingTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Five_Member_S000009356_Member">Updated performance information is available at no cost at www.goldmansachsfunds.com/vit or by calling the phone number on the back cover of this Prospectus.</rr:PerformanceTableClosingTextBlock>
  <rr:PerformanceTableClosingTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Ten_Member_S000009352_Member">Updated performance information is available at no cost at www.goldmansachsfunds.com/vit or by calling the phone number on the back cover of this Prospectus.</rr:PerformanceTableClosingTextBlock>
  <rr:PerformanceTableClosingTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Three_Member_S000009358_Member">Updated performance information is available at no cost at www.goldmansachsfunds.com/vit or by calling the phone number on the back cover of this Prospectus.</rr:PerformanceTableClosingTextBlock>
  <rr:PerformanceTableClosingTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Four_Member_S000009355_Member">Updated performance information is available at no cost at www.goldmansachsfunds.com/vit or by calling the phone number on the back cover of this Prospectus.</rr:PerformanceTableClosingTextBlock>
  <rr:PerformanceTableClosingTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009361_Member_Prospectus_Seventeen_Member">Updated performance information is available at no cost at www.goldmansachsfunds.com/vit or by calling the phone number on the back cover of this Prospectus.</rr:PerformanceTableClosingTextBlock>
  <rr:PerformanceTableClosingTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009355_Member_Prospectus_Thirteen_Member">Updated performance information is available at no cost at www.goldmansachsfunds.com/vit or by calling the phone number on the back cover of this Prospectus.</rr:PerformanceTableClosingTextBlock>
  <rr:PerformanceTableClosingTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eleven_Member_S000009357_Member">Updated performance information is available at no cost at www.goldmansachsfunds.com/vit or by calling the phone number on the back cover of this Prospectus.</rr:PerformanceTableClosingTextBlock>
  <rr:PerformanceTableClosingTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009354_Member_Prospectus_Sixteen_Member">Updated performance information is available at no cost at www.goldmansachsfunds.com/vit or by calling the phone number on the back cover of this Prospectus.</rr:PerformanceTableClosingTextBlock>
  <rr:PerformanceTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009356_Member_Prospectus_Fifteen_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/AverageAnnualTotalReturnsGoldmanSachsStrategicGrowthFundServiceShares
column period compact *
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~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:PerformanceTableTextBlock>
  <rr:PerformanceTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Nine_Member_S000009360_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/AverageAnnualTotalReturnsGoldmanSachsGrowthOpportunitiesFundServiceShares
column period compact *
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row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009360_Member *
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~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:PerformanceTableTextBlock>
  <rr:PerformanceTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009359_Member_Prospectus_Seven_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/AverageAnnualTotalReturnsGoldmanSachsStrategicInternationalEquityFundServiceShares
column period compact *
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row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009359_Member *
row dei_LegalEntityAxis  compact gssqx_Prospectus_Seven_Member *
~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:PerformanceTableTextBlock>
  <rr:PerformanceTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Two_Member_S000009357_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/AverageAnnualTotalReturnsGoldmanSachsLargeCapValueFundInstitutionalShares
column period compact *
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row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009357_Member *
row dei_LegalEntityAxis  compact gssqx_Prospectus_Two_Member *
~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:PerformanceTableTextBlock>
  <rr:PerformanceTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eight_Member_S000009362_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/AverageAnnualTotalReturnsGoldmanSachsGovernmentIncomeFundServiceShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009362_Member *
row dei_LegalEntityAxis  compact gssqx_Prospectus_Eight_Member *
~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:PerformanceTableTextBlock>
  <rr:PerformanceTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Five_Member_S000009356_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/AverageAnnualTotalReturnsGoldmanSachsStrategicGrowthFundInstitutionalShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009356_Member *
row dei_LegalEntityAxis  compact gssqx_Prospectus_Five_Member *
~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:PerformanceTableTextBlock>
  <rr:PerformanceTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Four_Member_S000009355_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/AverageAnnualTotalReturnsGoldmanSachsStructuredSmallCapEquityFundInstitutionalShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009355_Member *
row dei_LegalEntityAxis  compact gssqx_Prospectus_Four_Member *
~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:PerformanceTableTextBlock>
  <rr:PerformanceTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Three_Member_S000009358_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/AverageAnnualTotalReturnsGoldmanSachsMidCapValueFundInstitutionalShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009358_Member *
row dei_LegalEntityAxis  compact gssqx_Prospectus_Three_Member *
~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:PerformanceTableTextBlock>
  <rr:PerformanceTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009361_Member_Prospectus_Seventeen_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/AverageAnnualTotalReturnsGoldmanSachsEquityIndexFundServiceShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009361_member *
row dei_LegalEntityAxis  compact gssqx_Prospectus_Ten_Member *
~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:PerformanceTableTextBlock>
  <rr:PerformanceTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009358_Member_Prospectus_Twelve_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/AverageAnnualTotalReturnsGoldmanSachsMidCapValueFundServiceShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009358_Member *
row dei_LegalEntityAxis  compact gssqx_Prospectus_Ten_Member *
~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:PerformanceTableTextBlock>
  <rr:PerformanceTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_One_Member_S000009359_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/AverageAnnualTotalReturnsGoldmanSachsStrategicInternationalEquityFundInstitutionalShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009359_Member *
row dei_LegalEntityAxis  compact gssqx_Prospectus_One_Member *
~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:PerformanceTableTextBlock>
  <rr:PerformanceTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Ten_Member_S000009352_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/AverageAnnualTotalReturnsGoldmanSachsStructuredUSEquityFundServiceShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009352_Member *
row dei_LegalEntityAxis  compact gssqx_Prospectus_Ten_Member *
~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:PerformanceTableTextBlock>
  <rr:PerformanceTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eleven_Member_S000009357_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/AverageAnnualTotalReturnsGoldmanSachsLargeCapValueFundServiceShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009357_Member *
row dei_LegalEntityAxis  compact gssqx_Prospectus_Ten_Member *
~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:PerformanceTableTextBlock>
  <rr:PerformanceTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009355_Member_Prospectus_Thirteen_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/AverageAnnualTotalReturnsGoldmanSachsStructuredSmallCapEquityFundServiceShares
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009355_Member *
row dei_LegalEntityAxis  compact gssqx_Prospectus_Ten_Member *
~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:PerformanceTableTextBlock>
  <rr:PerformanceTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009352_Member_Prospectus_Six_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/AverageAnnualTotalReturnsGoldmanSachsStructuredUSEquityFundInstitutionalShare
column period compact *
column rr_ProspectusShareClassAxis compact *
row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009352_Member *
row dei_LegalEntityAxis  compact gssqx_Prospectus_Six_Member *
~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:PerformanceTableTextBlock>
  <rr:PerformanceTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009353_Member_Prospectus_Fourteen_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/AverageAnnualTotalReturnsGoldmanSachsCoreFixedIncomeFundServiceShares
column period compact *
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row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009353_member *
row dei_LegalEntityAxis  compact gssqx_Prospectus_Ten_Member *
~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:PerformanceTableTextBlock>
  <rr:PerformanceTableTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009354_Member_Prospectus_Sixteen_Member">&lt;div&gt;&amp;lt;div&amp;gt; &amp;amp;lt;div style="display:none;" &amp;amp;gt;~ http://goldmansachsfunds.com/role/AverageAnnualTotalReturnsGoldmanSachsMoneyMarketFundServiceShares
column period compact *
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row primary compact *
row rr_DocumentInformationDocumentAxis compact gssqx_S000009354_member *
row dei_LegalEntityAxis  compact gssqx_Prospectus_Ten_Member *
~&amp;amp;lt;/div&amp;amp;gt; &amp;lt;/div&amp;gt;&lt;/div&gt;</rr:PerformanceTableTextBlock>
  <rr:PortfolioTurnoverHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Four_Member_S000009355_Member">Portfolio Turnover</rr:PortfolioTurnoverHeading>
  <rr:PortfolioTurnoverHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Three_Member_S000009358_Member">Portfolio Turnover</rr:PortfolioTurnoverHeading>
  <rr:PortfolioTurnoverHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Ten_Member_S000009352_Member">Portfolio Turnover</rr:PortfolioTurnoverHeading>
  <rr:PortfolioTurnoverHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009361_Member_Prospectus_Seventeen_Member">Portfolio Turnover</rr:PortfolioTurnoverHeading>
  <rr:PortfolioTurnoverHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eight_Member_S000009362_Member">Portfolio Turnover</rr:PortfolioTurnoverHeading>
  <rr:PortfolioTurnoverHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Nine_Member_S000009360_Member">Portfolio Turnover</rr:PortfolioTurnoverHeading>
  <rr:PortfolioTurnoverHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_One_Member_S000009359_Member">Portfolio Turnover</rr:PortfolioTurnoverHeading>
  <rr:PortfolioTurnoverHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009358_Member_Prospectus_Twelve_Member">Portfolio Turnover</rr:PortfolioTurnoverHeading>
  <rr:PortfolioTurnoverHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eleven_Member_S000009357_Member">Portfolio Turnover</rr:PortfolioTurnoverHeading>
  <rr:PortfolioTurnoverHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Five_Member_S000009356_Member">Portfolio Turnover</rr:PortfolioTurnoverHeading>
  <rr:PortfolioTurnoverHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009353_Member_Prospectus_Fourteen_Member">Portfolio Turnover</rr:PortfolioTurnoverHeading>
  <rr:PortfolioTurnoverHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009356_Member_Prospectus_Fifteen_Member">Portfolio Turnover</rr:PortfolioTurnoverHeading>
  <rr:PortfolioTurnoverHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009359_Member_Prospectus_Seven_Member">Portfolio Turnover</rr:PortfolioTurnoverHeading>
  <rr:PortfolioTurnoverHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Two_Member_S000009357_Member">Portfolio Turnover</rr:PortfolioTurnoverHeading>
  <rr:PortfolioTurnoverHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009355_Member_Prospectus_Thirteen_Member">Portfolio Turnover</rr:PortfolioTurnoverHeading>
  <rr:PortfolioTurnoverHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009352_Member_Prospectus_Six_Member">Portfolio Turnover</rr:PortfolioTurnoverHeading>
  <rr:PortfolioTurnoverRate contextRef="TwelveMonthsEnded_30Apr2011_S000009358_Member_Prospectus_Twelve_Member" unitRef="Pure" decimals="2">0.88</rr:PortfolioTurnoverRate>
  <rr:PortfolioTurnoverRate contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Two_Member_S000009357_Member" unitRef="Pure" decimals="2">0.95</rr:PortfolioTurnoverRate>
  <rr:PortfolioTurnoverRate contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_One_Member_S000009359_Member" unitRef="Pure" decimals="2">1.12</rr:PortfolioTurnoverRate>
  <rr:PortfolioTurnoverRate contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eleven_Member_S000009357_Member" unitRef="Pure" decimals="2">0.95</rr:PortfolioTurnoverRate>
  <rr:PortfolioTurnoverRate contextRef="TwelveMonthsEnded_30Apr2011_S000009356_Member_Prospectus_Fifteen_Member" unitRef="USD" decimals="2">0.38</rr:PortfolioTurnoverRate>
  <rr:PortfolioTurnoverRate contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eight_Member_S000009362_Member" unitRef="Pure" decimals="2">6.14</rr:PortfolioTurnoverRate>
  <rr:PortfolioTurnoverRate contextRef="TwelveMonthsEnded_30Apr2011_S000009361_Member_Prospectus_Seventeen_Member" unitRef="Pure" decimals="2">0.04</rr:PortfolioTurnoverRate>
  <rr:PortfolioTurnoverRate contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Ten_Member_S000009352_Member" unitRef="Pure" decimals="2">0.38</rr:PortfolioTurnoverRate>
  <rr:PortfolioTurnoverRate contextRef="TwelveMonthsEnded_30Apr2011_S000009352_Member_Prospectus_Six_Member" unitRef="Pure" decimals="2">0.38</rr:PortfolioTurnoverRate>
  <rr:PortfolioTurnoverRate contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Four_Member_S000009355_Member" unitRef="Pure" decimals="2">0.63</rr:PortfolioTurnoverRate>
  <rr:PortfolioTurnoverRate contextRef="TwelveMonthsEnded_30Apr2011_S000009359_Member_Prospectus_Seven_Member" unitRef="Pure" decimals="2">1.12</rr:PortfolioTurnoverRate>
  <rr:PortfolioTurnoverRate contextRef="TwelveMonthsEnded_30Apr2011_S000009355_Member_Prospectus_Thirteen_Member" unitRef="Pure" decimals="2">0.63</rr:PortfolioTurnoverRate>
  <rr:PortfolioTurnoverRate contextRef="TwelveMonthsEnded_30Apr2011_S000009353_Member_Prospectus_Fourteen_Member" unitRef="Pure" decimals="2">3.99</rr:PortfolioTurnoverRate>
  <rr:PortfolioTurnoverRate contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Nine_Member_S000009360_Member" unitRef="Pure" decimals="2">0.57</rr:PortfolioTurnoverRate>
  <rr:PortfolioTurnoverRate contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Five_Member_S000009356_Member" unitRef="Pure" decimals="2">0.38</rr:PortfolioTurnoverRate>
  <rr:PortfolioTurnoverRate contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Three_Member_S000009358_Member" unitRef="Pure" decimals="2">0.88</rr:PortfolioTurnoverRate>
  <rr:PortfolioTurnoverTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009352_Member_Prospectus_Six_Member">The Fund pays transaction costs when it buys and sells securities or instruments (i.e., "turns over" its portfolio). A high rate of portfolio turnover may result in increased transaction costs, including brokerage commissions, which must be borne by the Fund and its shareholders. These costs are not reflected in annual fund operating expenses or in the expense example above, but are reflected in the Fund's performance. The Fund's portfolio turnover rate for the fiscal year ended December 31, 2010 was 38% of the average value of its portfolio.</rr:PortfolioTurnoverTextBlock>
  <rr:PortfolioTurnoverTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_One_Member_S000009359_Member">The Fund pays transaction costs when it buys and sells securities or instruments (i.e., "turns over" its portfolio). A high rate of portfolio turnover may result in increased transaction costs, including brokerage commissions, which must be borne by the Fund and its shareholders. These costs are not reflected in annual fund operating expenses or in the expense example above, but are reflected in the Fund's performance. The Fund's portfolio turnover rate for the fiscal year ended December 31, 2010 was 112% of the average value of its portfolio.</rr:PortfolioTurnoverTextBlock>
  <rr:PortfolioTurnoverTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009359_Member_Prospectus_Seven_Member">The Fund pays transaction costs when it buys and sells securities or instruments (i.e., "turns over" its portfolio). A high rate of portfolio turnover may result in increased transaction costs, including brokerage commissions, which must be borne by the Fund and its
shareholders. These costs are not reflected in annual fund operating expenses or in the expense example above, but are reflected in the Fund's performance. The Fund's portfolio turnover rate for the fiscal year ended December 31, 2010 was 112% of the average value of
its portfolio.</rr:PortfolioTurnoverTextBlock>
  <rr:PortfolioTurnoverTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Three_Member_S000009358_Member">The Fund pays transaction costs when it buys and sells securities or instruments (i.e., "turns over" its portfolio). A high rate of portfolio turnover may result in increased transaction costs, including brokerage commissions, which must be borne by the Fund and its shareholders. These costs are not reflected in annual fund operating expenses or in the expense example above, but are reflected in the Fund's performance. The Fund's portfolio turnover rate for the fiscal year ended December 31, 2010 was 88% of the average value of its portfolio.</rr:PortfolioTurnoverTextBlock>
  <rr:PortfolioTurnoverTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Two_Member_S000009357_Member">The Fund pays transaction costs when it buys and sells securities or instruments (i.e., "turns over" its portfolio). A high rate of portfolio turnover may result in increased transaction costs, including brokerage commissions, which must be borne by the Fund and its shareholders. These costs are not reflected in annual fund operating expenses or in the expense example above, but are reflected in the Fund's performance. The Fund's portfolio turnover rate for the fiscal year ended December 31, 2010 was 95% of the average value of its portfolio.</rr:PortfolioTurnoverTextBlock>
  <rr:PortfolioTurnoverTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Four_Member_S000009355_Member">The Fund pays transaction costs when it buys and sells securities or instruments (i.e., "turns over" its portfolio). A high rate of portfolio turnover may result in increased transaction costs, including brokerage commissions, which must be borne by the Fund and its shareholders. These costs are not reflected in annual fund operating expenses or in the expense example above, but are reflected in the Fund's performance. The Fund's portfolio turnover rate for the fiscal year ended December 31, 2010 was 63% of the average value of its portfolio.</rr:PortfolioTurnoverTextBlock>
  <rr:PortfolioTurnoverTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009353_Member_Prospectus_Fourteen_Member">The Fund pays transaction costs when it buys and sells securities or instruments (i.e., "turns over" its portfolio). A high rate of portfolio turnover may result in increased transaction costs, including brokerage commissions, which must be borne by the Fund and its shareholders. These costs are not reflected in annual fund operating expenses or in the expense example above, but are reflected in the Fund's performance. The Fund's portfolio turnover rate for the fiscal year ended December 31, 2010 was 399% of the average value of its portfolio.</rr:PortfolioTurnoverTextBlock>
  <rr:PortfolioTurnoverTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Nine_Member_S000009360_Member">The Fund pays transaction costs when it buys and sells securities or instruments (i.e., "turns over" its portfolio). A high rate of portfolio turnover may result in increased transaction costs, including brokerage commissions, which must be borne by the Fund and its shareholders. These costs are not reflected in annual fund operating expenses or in the expense example above, but are reflected in the Fund's performance. The Fund's portfolio turnover rate for the fiscal year ended December 31, 2010 was 57% of the average value of its
portfolio.</rr:PortfolioTurnoverTextBlock>
  <rr:PortfolioTurnoverTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eleven_Member_S000009357_Member">The Fund pays transaction costs when it buys and sells securities or instruments (i.e., "turns over" its portfolio). A high rate of portfolio turnover may result in increased transaction costs, including brokerage commissions, which must be borne by the Fund and its shareholders. These costs are not reflected in annual fund operating expenses or in the expense example above, but are reflected in the Fund's performance. The Fund's portfolio turnover rate for the fiscal year ended December 31, 2010 was 95% of the average value of its portfolio.</rr:PortfolioTurnoverTextBlock>
  <rr:PortfolioTurnoverTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Ten_Member_S000009352_Member">The Fund pays transaction costs when it buys and sells securities or instruments (i.e., "turns over" its portfolio). A high rate of portfolio turnover may result in increased transaction costs, including brokerage commissions, which must be borne by the Fund and its shareholders. These costs are not reflected in annual fund operating expenses or in the expense example above, but are reflected in the Fund's performance. The Fund's portfolio turnover rate for the fiscal year ended December 31, 2010 was 38% of the average value of its portfolio.</rr:PortfolioTurnoverTextBlock>
  <rr:PortfolioTurnoverTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009356_Member_Prospectus_Fifteen_Member">The Fund pays transaction costs when it buys and sells securities or instruments (i.e., "turns over" its portfolio). A high rate of portfolio turnover may result in increased transaction costs, including brokerage commissions, which must be borne by the Fund and its shareholders. These costs are not reflected in annual fund operating expenses or in the expense example above, but are reflected in the Fund's performance. The Fund's portfolio turnover rate for the fiscal year ended December 31, 2010 was 38% of the average value of its portfolio.</rr:PortfolioTurnoverTextBlock>
  <rr:PortfolioTurnoverTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Five_Member_S000009356_Member">The Fund pays transaction costs when it buys and sells securities or instruments (i.e., "turns over" its portfolio). A high rate of portfolio turnover may result in increased transaction costs, including brokerage commissions, which must be borne by the Fund and its shareholders. These costs are not reflected in annual fund operating expenses or in the expense example above, but are reflected in the Fund's performance. The Fund's portfolio turnover rate for the fiscal year ended December 31, 2010 was 38% of the average value of its portfolio.</rr:PortfolioTurnoverTextBlock>
  <rr:PortfolioTurnoverTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009355_Member_Prospectus_Thirteen_Member">The Fund pays transaction costs when it buys and sells securities or instruments (i.e., "turns over" its portfolio). A high rate of portfolio turnover may result in increased transaction costs, including brokerage commissions, which must be borne by the Fund and its shareholders. These costs are not reflected in annual fund operating expenses or in the expense example above, but are reflected in the Fund's performance. The Fund's portfolio turnover rate for the fiscal year ended December 31, 2010 was 63% of the average value of its portfolio.</rr:PortfolioTurnoverTextBlock>
  <rr:PortfolioTurnoverTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009361_Member_Prospectus_Seventeen_Member">The Fund pays transaction costs when it buys and sells securities or instruments (i.e., "turns over" its portfolio). A high rate of portfolio turnover may result in increased transaction costs, including brokerage commissions, which must be borne by the Fund and its shareholders. These costs are not reflected in annual fund operating expenses or in the expense example above, but are reflected in the Fund's performance. The Fund's portfolio turnover rate for the fiscal year ended December 31, 2010 was 4% of the average value of its portfolio.</rr:PortfolioTurnoverTextBlock>
  <rr:PortfolioTurnoverTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eight_Member_S000009362_Member">The Fund pays transaction costs when it buys and sells securities or instruments (i.e., "turns over" its portfolio). A high rate of portfolio turnover may result in increased transaction costs, including brokerage commissions, which must be borne by the Fund and its shareholders. These costs are not reflected in annual fund operating expenses or in the expense example above, but are reflected in the Fund's performance. The Fund's portfolio turnover rate for the fiscal year ended December 31, 2010 was 614% of the average value of its portfolio.</rr:PortfolioTurnoverTextBlock>
  <rr:PortfolioTurnoverTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009358_Member_Prospectus_Twelve_Member">The Fund pays transaction costs when it buys and sells securities or instruments (i.e., "turns over" its portfolio). A high rate of portfolio turnover may result in increased transaction costs, including brokerage commissions, which must be borne by the Fund and its shareholders. These costs are not reflected in annual fund operating expenses or in the expense example above, but are reflected in the Fund's performance. The Fund's portfolio turnover rate for the fiscal year ended December 31, 2010 was 88% of the average value of its portfolio.</rr:PortfolioTurnoverTextBlock>
  <rr:ProspectusDate contextRef="TwelveMonthsEnded_30Apr2011">2011-04-29</rr:ProspectusDate>
  <rr:RiskHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Nine_Member_S000009360_Member">Principal Risks of the Fund</rr:RiskHeading>
  <rr:RiskHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009354_Member_Prospectus_Sixteen_Member">Principal Risks of the Fund</rr:RiskHeading>
  <rr:RiskHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Two_Member_S000009357_Member">Principal Risks of the Fund</rr:RiskHeading>
  <rr:RiskHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eleven_Member_S000009357_Member">Principal Risks of the Fund</rr:RiskHeading>
  <rr:RiskHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009352_Member_Prospectus_Six_Member">Principal Risks of the Fund</rr:RiskHeading>
  <rr:RiskHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Five_Member_S000009356_Member">Principal Risks of the Fund</rr:RiskHeading>
  <rr:RiskHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Ten_Member_S000009352_Member">Principal Risks of the Fund</rr:RiskHeading>
  <rr:RiskHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Three_Member_S000009358_Member">Principal Risks of the Fund</rr:RiskHeading>
  <rr:RiskHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009359_Member_Prospectus_Seven_Member">Principal Risks of the Fund</rr:RiskHeading>
  <rr:RiskHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009356_Member_Prospectus_Fifteen_Member">Principal Risks of the Fund</rr:RiskHeading>
  <rr:RiskHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_One_Member_S000009359_Member">Principal Risks of the Fund</rr:RiskHeading>
  <rr:RiskHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009358_Member_Prospectus_Twelve_Member">Principal Risks of the Fund</rr:RiskHeading>
  <rr:RiskHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Four_Member_S000009355_Member">Principal Risks of the Fund</rr:RiskHeading>
  <rr:RiskHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eight_Member_S000009362_Member">Principal Risks of the Fund</rr:RiskHeading>
  <rr:RiskHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009353_Member_Prospectus_Fourteen_Member">Principal Risks of the Fund</rr:RiskHeading>
  <rr:RiskHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009355_Member_Prospectus_Thirteen_Member">Principal Risks of the Fund</rr:RiskHeading>
  <rr:RiskHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009361_Member_Prospectus_Seventeen_Member">Principal Risks of the Fund</rr:RiskHeading>
  <rr:RiskLoseMoney contextRef="TwelveMonthsEnded_30Apr2011_S000009353_Member_Prospectus_Fourteen_Member">Loss of money is a risk of investing in the Fund.</rr:RiskLoseMoney>
  <rr:RiskLoseMoney contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_One_Member_S000009359_Member">Loss of money is a risk of investing in the Fund.</rr:RiskLoseMoney>
  <rr:RiskLoseMoney contextRef="TwelveMonthsEnded_30Apr2011_S000009361_Member_Prospectus_Seventeen_Member">Loss of money is a risk of investing in the Fund.</rr:RiskLoseMoney>
  <rr:RiskLoseMoney contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Five_Member_S000009356_Member">Loss of money is a risk of investing in the Fund.</rr:RiskLoseMoney>
  <rr:RiskLoseMoney contextRef="TwelveMonthsEnded_30Apr2011_S000009356_Member_Prospectus_Fifteen_Member">Loss of money is a risk of investing in the Fund.</rr:RiskLoseMoney>
  <rr:RiskLoseMoney contextRef="TwelveMonthsEnded_30Apr2011_S000009355_Member_Prospectus_Thirteen_Member">Loss of money is a risk of investing in the Fund.</rr:RiskLoseMoney>
  <rr:RiskLoseMoney contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Four_Member_S000009355_Member">Loss of money is a risk of investing in the Fund.</rr:RiskLoseMoney>
  <rr:RiskLoseMoney contextRef="TwelveMonthsEnded_30Apr2011_S000009358_Member_Prospectus_Twelve_Member">Loss of money is a risk of investing in the Fund.</rr:RiskLoseMoney>
  <rr:RiskLoseMoney contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Nine_Member_S000009360_Member">Loss of money is a risk of investing in the Fund.</rr:RiskLoseMoney>
  <rr:RiskLoseMoney contextRef="TwelveMonthsEnded_30Apr2011_S000009352_Member_Prospectus_Six_Member">Loss of money is a risk of investing in the Fund.</rr:RiskLoseMoney>
  <rr:RiskLoseMoney contextRef="TwelveMonthsEnded_30Apr2011_S000009359_Member_Prospectus_Seven_Member">Loss of money is a risk of investing in the Fund.</rr:RiskLoseMoney>
  <rr:RiskLoseMoney contextRef="TwelveMonthsEnded_30Apr2011_S000009354_Member_Prospectus_Sixteen_Member">Although the Fund seeks to preserve the value of your investment at $1.00 per share, it is possible to lose money by investing in the Fund.</rr:RiskLoseMoney>
  <rr:RiskLoseMoney contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Three_Member_S000009358_Member">Loss of money is a risk of investing in the Fund.</rr:RiskLoseMoney>
  <rr:RiskLoseMoney contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eleven_Member_S000009357_Member">Loss of money is a risk of investing in the Fund.</rr:RiskLoseMoney>
  <rr:RiskLoseMoney contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eight_Member_S000009362_Member">Loss of money is a risk of investing in the Fund.</rr:RiskLoseMoney>
  <rr:RiskLoseMoney contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Ten_Member_S000009352_Member">Loss of money is a risk of investing in the Fund.</rr:RiskLoseMoney>
  <rr:RiskLoseMoney contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Two_Member_S000009357_Member">Loss of money is a risk of investing in the Fund.</rr:RiskLoseMoney>
  <rr:RiskMoneyMarketFund contextRef="TwelveMonthsEnded_30Apr2011_S000009354_Member_Prospectus_Sixteen_Member">&lt;i&gt;&lt;b&gt;Stable NAV Risk. &lt;/b&gt;&lt;/i&gt; The Fund may not be able to maintain a NAV per share of $1.00 at all times. If any money market fund fails to maintain a stable NAV (or if there is a perceived threat of such a failure), other money market funds, including the Fund, could be subject to increased redemption activity, which could adversely affect the Fund's NAV. Shareholders of the Fund should not rely on or expect the Investment Adviser or an affiliate to purchase distressed assets from the Fund, make capital infusions into the Fund, enter into capital support agreements with the Fund or take other actions to help the Fund maintain a stable $1.00 share price.</rr:RiskMoneyMarketFund>
  <rr:RiskNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Five_Member_S000009356_Member">&lt;p&gt;Loss of money is a risk of investing in the Fund. An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation (&amp;#8220;FDIC&amp;#8221;) or any government agency. The Fund should not be relied upon as a complete investment program. There can be no assurance that the Fund will achieve its investment objective.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt;Investment Style Risk.&lt;/i&gt;&lt;/b&gt; Different investment styles (&lt;i&gt;e.g.&lt;/i&gt;, &amp;#8220;growth&amp;#8221;, &amp;#8220;value&amp;#8221; or &amp;#8220;quantitative&amp;#8221;) tend to shift in and out of favor depending upon market and economic conditions and investor sentiment. The Fund may outperform or underperform other funds that invest in similar asset classes but employ different investment styles.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt;Market Risk.&lt;/i&gt;&lt;/b&gt; The value of the instruments in which the Fund invests may go up or down in response to prospects of individual companies, particular industry sectors or governments and/or general economic conditions.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt;Stock Risk.&lt;/i&gt;&lt;/b&gt; Stock prices have historically risen and fallen in periodic cycles. U.S. and foreign stock markets have experienced periods of substantial price volatility in the past and may do so again in the future.&lt;/p&gt;</rr:RiskNarrativeTextBlock>
  <rr:RiskNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Ten_Member_S000009352_Member">&lt;p&gt;Loss of money is a risk of investing in the Fund. An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation (&amp;#8220;FDIC&amp;#8221;) or any government agency. The Fund should not be relied upon as a complete investment program. There can be no assurance that the Fund will achieve its investment objective.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt;Investment Style Risk.&lt;/i&gt;&lt;/b&gt; Different investment styles (e.g., &amp;#8220;growth&amp;#8221;, &amp;#8220;value&amp;#8221; or &amp;#8220;quantitative&amp;#8221;) tend to shift in and out of favor depending upon market and economic conditions and investor sentiment. The Fund may outperform or underperform other funds that invest in similar asset classes but employ different investment styles.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt;Management Risk.&lt;/i&gt;&lt;/b&gt; A strategy used by the Investment Adviser may fail to produce the intended results. The Investment Adviser attempts to execute a complex strategy for the Fund using proprietary quantitative models. Investments selected using these models may perform differently than expected as a result of the factors used in the models, the weight placed on each factor, changes from the factors&amp;#8217; historical trends, and technical issues in the construction and implementation of the models (including, for example, data problems and/or software issues). There is no guarantee that the Investment Adviser&amp;#8217;s use of these quantitative models will result in effective investment decisions for the Fund. Additionally, commonality of holdings across quantitative money managers may amplify losses.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt;Market Risk.&lt;/i&gt;&lt;/b&gt; The value of the instruments in which the Fund invests may go up or down in response to the prospects of individual companies, particular industry sectors or governments and/or general economic conditions.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt;Portfolio Turnover Rate Risk.&lt;/i&gt;&lt;/b&gt; A high rate of portfolio turnover (100% or more) involves correspondingly greater expenses which must be borne by a Fund and its shareholders.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt;Stock Risk.&lt;/i&gt;&lt;/b&gt; Stock prices have historically risen and fallen in periodic cycles. U.S. and foreign stock markets have experienced periods of substantial price volatility in the past and may do so again in the future.&lt;/p&gt;</rr:RiskNarrativeTextBlock>
  <rr:RiskNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009356_Member_Prospectus_Fifteen_Member">&lt;p&gt; Loss of money is a risk of investing in the Fund. An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation (&amp;#8220;FDIC&amp;#8221;) or any government agency. The Fund should not be relied upon as a complete investment program. There can be no assurance that the Fund will achieve its investment objective.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt; Investment Style Risk.&lt;/i&gt;&lt;/b&gt; Different investment styles (&lt;i&gt;e.g.&lt;/i&gt;, &amp;#8220;growth&amp;#8221;, &amp;#8220;value&amp;#8221; or &amp;#8220;quantitative&amp;#8221;) tend to shift in and out of favor depending upon market and economic conditions and investor sentiment. The Fund may outperform or underperform other funds that invest in similar asset classes but employ different investment styles.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt; Market Risk.&lt;/i&gt;&lt;/b&gt; The value of the instruments in which the Fund invests may go up or down in response to prospects of individual companies, particular industry sectors or governments and/or general economic conditions.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt; Stock Risk.&lt;/i&gt;&lt;/b&gt; Stock prices have historically risen and fallen in periodic cycles. U.S. and foreign stock markets have experienced periods of substantial price volatility in the past and may do so again in the future.&lt;/p&gt;</rr:RiskNarrativeTextBlock>
  <rr:RiskNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Four_Member_S000009355_Member">&lt;p&gt;Loss of money is a risk of investing in the Fund. An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation (&amp;#8220;FDIC&amp;#8221;) or any government agency. The Fund should not be relied upon as a complete investment program. There can be no assurance that the Fund will achieve its investment objective.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt; Investment Style Risk.&lt;/i&gt;&lt;/b&gt; Different investment styles (&lt;i&gt;e.g.&lt;/i&gt;, &amp;#8220;growth&amp;#8221;, &amp;#8220;value&amp;#8221; or &amp;#8220;quantitative&amp;#8221;) tend to shift in and out of favor depending upon market and economic conditions and investor sentiment. The Fund may outperform or underperform other funds that invest in similar asset classes but employ different investment styles.&lt;/p&gt; &lt;p&gt;&lt;b&gt;&lt;i&gt;Management Risk.&lt;/i&gt;&lt;/b&gt; A strategy used by the Investment Adviser may fail to produce the intended results. The Investment Adviser attempts to execute a complex strategy for the Fund using proprietary quantitative models. Investments selected using these models may perform differently than expected as a result of the factors used in the models, the weight placed on each factor, changes from the factors&amp;#8217; historical trends, and technical issues in the construction and implementation of the models (including, for example, data problems and/or software issues). There is no guarantee that the Investment Adviser&amp;#8217;s use of these quantitative models will result in effective investment decisions for the Fund. Additionally, commonality of holdings across quantitative money managers may amplify losses.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt;Market Risk.&lt;/i&gt;&lt;/b&gt; The value of the instruments in which the Fund invests may go up or down in response to the prospects of individual
companies, particular industry sectors or governments and/or general economic conditions.&lt;/p&gt; &lt;p&gt;&lt;b&gt;&lt;i&gt;Mid-Cap and Small-Cap Risk.&lt;/i&gt;&lt;/b&gt; Investments in mid-capitalization and small-capitalization companies involve greater risks than investments in larger, more established companies. These securities may be subject to more abrupt or erratic price movements and may lack sufficient market liquidity, and these issuers often face greater business risks.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt;Portfolio Turnover Rate Risk.&lt;/i&gt;&lt;/b&gt; A high rate of portfolio turnover (100% or more) involves correspondingly greater expenses which must be borne by a Fund and its shareholders.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt;Stock Risk.&lt;/i&gt;&lt;/b&gt; Stock prices have historically risen and fallen in periodic cycles. U.S. and foreign stock markets have experienced periods of substantial price volatility in the past and may do so again in the future.&lt;/p&gt;</rr:RiskNarrativeTextBlock>
  <rr:RiskNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009358_Member_Prospectus_Twelve_Member">&lt;p&gt;Loss of money is a risk of investing in the Fund. An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation (&amp;#8220;FDIC&amp;#8221;) or any government agency. The Fund should not be relied upon as a complete investment program. There can be no assurance that the Fund will achieve its investment objective.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt;Investment Style Risk.&lt;/i&gt;&lt;/b&gt; Different investment styles (&lt;i&gt;e.g.&lt;/i&gt;, &amp;#8220;growth&amp;#8221;, &amp;#8220;value&amp;#8221; or &amp;#8220;quantitative&amp;#8221;) tend to shift in and out of favor depending upon market and economic conditions and investor sentiment. The Fund may outperform or underperform other funds that invest in similar asset classes but employ different investment styles.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt;Market Risk.&lt;/i&gt;&lt;/b&gt; The value of the instruments in which the Fund invests may go up or down in response to the prospects of individual companies, particular industry sectors or governments and/or general economic conditions.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt;Mid-Cap and Small-Cap Risk.&lt;/i&gt;&lt;/b&gt; Investments in mid-capitalization and small-capitalization companies involve greater risks than investments in larger, more established companies. These securities may be subject to more abrupt or erratic price movements and may lack sufficient market liquidity, and these issuers often face greater business risks.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt;Stock Risk.&lt;/i&gt;&lt;/b&gt; Stock prices have historically risen and fallen in periodic cycles. U.S. and foreign stock markets have experienced periods of substantial price volatility in the past and may do so again in the future.&lt;/p&gt;</rr:RiskNarrativeTextBlock>
  <rr:RiskNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Nine_Member_S000009360_Member">&lt;p&gt;Loss of money is a risk of investing in the Fund. An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation (&amp;#8220;FDIC&amp;#8221;) or any government agency. The Fund should not be relied upon as a complete investment program. There can be no assurance that the Fund will achieve its investment objective.&lt;/p&gt;
&lt;p&gt;&lt;i&gt;&lt;b&gt;Investment Style Risk&lt;/b&gt;&lt;/i&gt;. Different investment styles (&lt;i&gt;e.g.&lt;/i&gt;, &amp;#8220;growth&amp;#8221;, &amp;#8220;value&amp;#8221; or &amp;#8220;quantitative&amp;#8221;) tend to shift in and out of favor depending upon market and economic conditions and investor sentiment. The Fund may outperform or underperform other funds that invest in similar asset classes but employ different investment styles.&lt;/p&gt;
&lt;p&gt;&lt;i&gt;&lt;b&gt;Market Risk&lt;/b&gt;&lt;/i&gt;.  The value of securities in which the Fund invests may go up or down in response to prospects of individual companies, particular industry sectors or governments and/or general economic conditions.&lt;/p&gt;
&lt;p&gt;&lt;i&gt;&lt;b&gt;Mid-Cap and Small-Cap Risk&lt;/b&gt;&lt;/i&gt;. Investments in mid-capitalization and small-capitalization companies involve greater risks than investments in larger, more established companies. These securities may be subject to more abrupt or erratic price movements and may lack sufficient market liquidity, and these issuers often face greater business risks.&lt;/p&gt;
&lt;p&gt;&lt;i&gt;&lt;b&gt;Stock Risk&lt;/b&gt;&lt;/i&gt;. Stock prices have historically risen and fallen in periodic cycles. U.S. and foreign stock markets have experienced periods of substantial price volatility in the past and may do so again in the future.&lt;/p&gt;</rr:RiskNarrativeTextBlock>
  <rr:RiskNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Three_Member_S000009358_Member">&lt;p&gt;Loss of money is a risk of investing in the Fund. An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation (&amp;#8220;FDIC&amp;#8221;) or any government agency. The Fund should not be relied upon as a complete investment program. There can be no assurance that the Fund will achieve its investment objective.&lt;/p&gt;
&lt;p&gt;&lt;b&gt;&lt;i&gt;Investment Style Risk.&lt;/i&gt;&lt;/b&gt; Different investment styles (e.g., &amp;#8220;growth&amp;#8221;, &amp;#8220;value&amp;#8221; or &amp;#8220;quantitative&amp;#8221;) tend to shift in and out of favor depending upon market and economic conditions and investor sentiment. The Fund may outperform or underperform other funds that invest in similar asset classes but employ different investment styles.&lt;/p&gt;
&lt;p&gt;&lt;b&gt;&lt;i&gt;Market Risk. &lt;/i&gt;&lt;/b&gt; The value of the instruments in which the Fund invests may go up or down in response to the prospects of individual companies, particular industry sectors or governments and/or general economic conditions.&lt;/p&gt;
&lt;p&gt;&lt;b&gt;&lt;i&gt;Mid-Cap and Small-Cap Risk. &lt;/i&gt;&lt;/b&gt; Investments in mid-capitalization and small-capitalization companies involve greater risks than investments in larger, more established companies. These securities may be subject to more abrupt or erratic price movements and may lack sufficient market liquidity, and these issuers often face greater business risks.&lt;/p&gt;
&lt;p&gt;&lt;b&gt;&lt;i&gt;Stock Risk.&lt;/i&gt;&lt;/b&gt; Stock prices have historically risen and fallen in periodic cycles. U.S. and foreign stock markets have experienced periods of substantial price volatility in the past and may do so again in the future.&lt;/p&gt;</rr:RiskNarrativeTextBlock>
  <rr:RiskNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eight_Member_S000009362_Member">&lt;p&gt;Loss of money is a risk of investing in the Fund. An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation (&amp;#8220;FDIC&amp;#8221;) or any government agency. The Fund should not be relied upon as a complete investment program. There can be no assurance that the Fund will achieve its investment objective.&lt;/p&gt;
&lt;p&gt;&lt;i&gt;&lt;b&gt;Credit/Default Risk&lt;/b&gt;&lt;/i&gt;. An issuer or guarantor of fixed income securities held by the Fund may default on its obligation to pay interest and repay principal. Additionally, the credit quality of securities may deteriorate rapidly, which may impair the Fund&amp;#8217;s liquidity and cause significant net asset value (&amp;#8220;NAV&amp;#8221;) deterioration.&lt;/p&gt;
&lt;p&gt;&lt;i&gt;&lt;b&gt;Interest Rate Risk&lt;/b&gt;&lt;/i&gt;.  When interest rates increase, fixed income securities held by the Fund will generally decline in value. Long-term fixed income securities will normally have more price volatility because of this risk than short-term fixed income securities.&lt;/p&gt;
&lt;p&gt; &lt;i&gt;&lt;b&gt;Mortgage-Backed and Other Asset-Backed Risk&lt;/b&gt;&lt;/i&gt;. Mortgage-related and other asset-backed securities are subject to certain additional risks, including &amp;#8220;extension risk&amp;#8221; (i.e., in periods of rising interest rates, issuers may pay principal later than expected) and &amp;#8220;prepayment risk&amp;#8221; (i.e., in periods of declining interest rates, issuers may pay principal more quickly than expected, causing the Fund to reinvest proceeds at lower prevailing interest rates). Mortgage-Backed Securities offered by non-governmental issuers are subject to other risks as well, including failures of private insurers to meet their obligations and unexpectedly high rates of default on the mortgages backing the securities. Other asset-backed securities are subject to risks similar to those associated with Mortgage-Backed Securities, as well as risks associated with the nature and servicing of the assets backing the securities.&lt;/p&gt;
&lt;p&gt;&lt;i&gt;&lt;b&gt;U.S. Government Securities Risk&lt;/b&gt;&lt;/i&gt;. The U.S. government may not provide financial support to U.S. government agencies, instrumentalities or sponsored enterprises if it is not obligated to do so by law. U.S. Government Securities issued by the Federal National Mortgage Association (&amp;#8220;Fannie Mae&amp;#8221;), Federal Home Loan Mortgage Corporation (&amp;#8220;Freddie Mac&amp;#8221;) and the Federal Home Loan Banks chartered or sponsored by Acts of Congress are not backed by the full faith and credit of the United States. It is possible that these issuers will not have the funds to meet their payment obligations in the future.&lt;/p&gt;</rr:RiskNarrativeTextBlock>
  <rr:RiskNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009354_Member_Prospectus_Sixteen_Member">&lt;p&gt;An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation (&amp;#8220;FDIC&amp;#8221;) or any government agency. Although the Fund seeks to preserve the value of your investment at $1.00 per share, it is possible to lose money by investing in the Fund. The Fund should not be relied upon as a complete investment program. There can be no assurance that the Fund will achieve its investment objective.&lt;/p&gt;&lt;p&gt;&lt;i&gt;&lt;b&gt;Banking Industry Risk. &lt;/b&gt;&lt;/i&gt; An adverse development in the banking industry may affect the value of the Fund's investments more than if they were not invested to such a degree in the banking industry. Banks may be particularly susceptible to certain economic factors such as interest rate changes, adverse developments in the real estate market, fiscal and monetary policy and general economic cycles.&lt;/p&gt; &lt;p&gt;&lt;i&gt;&lt;b&gt;Credit/Default Risk. &lt;/b&gt;&lt;/i&gt; An issuer or guarantor of a security held by the Fund, or a bank or other financial institution that has entered into a repurchase agreement with the Fund, may default on its obligation to pay interest and repay principal. Additionally, the credit quality of securities may deteriorate rapidly, which may impair the Fund's liquidity and cause significant NAV deterioration.&lt;/p&gt;&lt;p&gt;&lt;i&gt;&lt;b&gt;Foreign Risk. &lt;/b&gt;&lt;/i&gt; Foreign securities may be subject to risk of loss because of political, financial and economic events in foreign countries, less public information, less stringent foreign securities regulations and accounting and disclosure standards, problems in security registration or settlement and custody or other factors.&lt;/p&gt;&lt;p&gt;&lt;i&gt;&lt;b&gt;Interest Rate Risk. &lt;/b&gt;&lt;/i&gt; When interest rates increase, the Fund's yield will tend to be lower than prevailing market rates, and the market value of its securities may also be adversely affected. A low interest rate environment poses additional risks to the Fund, because low yields on the Fund's portfolio holdings may have an adverse impact on the Fund's ability to provide a positive yield to its shareholders, pay expenses out of Fund assets, or, at times, maintain a stable $1.00 share price.&lt;/p&gt;&lt;p&gt;&lt;i&gt;&lt;b&gt;Liquidity Risk. &lt;/b&gt;&lt;/i&gt; The Fund may make investments that may become less liquid in response to market developments or adverse investor perception. The liquidity of portfolio securities can deteriorate rapidly due to credit events affecting issuers or guarantors or due to general market conditions or a lack of willing buyers. An inability to sell one or more portfolio positions, or selling such positions at an unfavorable time and/or under unfavorable conditions, can adversely affect the Fund's ability to maintain a $1.00 share price. Liquidity risk may also refer to the risk that the Fund will not be able to pay redemption proceeds within the allowable time period because of unusual market conditions, an unusually high volume of redemption requests, or other reasons. Certain shareholders may own or control a significant percentage of the Fund's shares, and redemptions by these shareholder of their Fund shares may further increase the Fund's liquidity risk and may adversely impact the Fund's NAV.&lt;/p&gt;&lt;p&gt;&lt;i&gt;&lt;b&gt;Market Risk. &lt;/b&gt;&lt;/i&gt; The value of the securities in which the Fund invests may go up or down in response to the prospects of individual companies, particular industry sectors or governments and/or general economic conditions.&lt;/p&gt;&lt;p&gt;&lt;i&gt;&lt;b&gt;Regulatory Risk. &lt;/b&gt;&lt;/i&gt; The Securities and Exchange Commission (&amp;#8220;SEC&amp;#8221;) has recently adopted amendments to money market fund regulation, imposing new liquidity, credit quality, and maturity requirements on all money market funds, and may adopt additional amendments in the future. These changes may adversely affect the Fund's return potential.&lt;/p&gt;&lt;p&gt;&lt;i&gt;&lt;b&gt;Stable NAV Risk. &lt;/b&gt;&lt;/i&gt; The Fund may not be able to maintain a NAV per share of $1.00 at all times. If any money market fund fails to maintain a stable NAV (or if there is a perceived threat of such a failure), other money market funds, including the Fund, could be subject to increased redemption activity, which could adversely affect the Fund's NAV. Shareholders of the Fund should not rely on or expect the Investment Adviser or an affiliate to purchase distressed assets from the Fund, make capital infusions into the Fund, enter into capital support agreements with the Fund or take other actions to help the Fund maintain a stable $1.00 share price.&lt;/p&gt;&lt;p&gt;&lt;i&gt;&lt;b&gt;U.S. Government Securities Risk. &lt;/b&gt;&lt;/i&gt; The U.S. government may not provide financial support to U.S. government agencies, instrumentalities or sponsored enterprises if it is not obligated to do so by law. U.S. Government Securities issued by the Federal National Mortgage Association (&amp;#8220;Fannie Mae&amp;#8221;), Federal Home Loan Mortgage Corporation (&amp;#8220;Freddie Mac&amp;#8221;) and Federal Home Loan Banks chartered or sponsored by Acts of Congress are not backed by the full faith and credit of the United States. It is possible that these issuers will not have the funds to meet their payment obligations in the future.&lt;/p&gt;</rr:RiskNarrativeTextBlock>
  <rr:RiskNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009359_Member_Prospectus_Seven_Member">&lt;p&gt;Loss of money is a risk of investing in the Fund. An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation (&amp;#8220;FDIC&amp;#8221;) or any government agency. The Fund should not be relied upon as a complete investment program. There can be no assurance that the Fund will achieve its investment objective.&lt;/p&gt;
&lt;p&gt;&lt;i&gt;&lt;b&gt;Emerging Countries Risk&lt;/b&gt;&lt;/i&gt;&amp;#8212;The securities markets of most Central and South American, African, Middle Eastern, Asian, Eastern European and other emerging countries are less liquid, are especially subject to greater price volatility, have smaller market capitalizations, have less government regulation and are not subject to as extensive and frequent accounting, financial and other reporting requirements as the securities markets of more developed countries.&lt;/p&gt;
&lt;p&gt;&lt;i&gt;&lt;b&gt;Foreign Risk&lt;/b&gt;&lt;/i&gt;&amp;#8212;Foreign securities may be subject to risk of loss because of less foreign government regulation, less public information and less economic, political and social stability in these countries. Loss may also result from the imposition of exchange controls, confiscations and other government restrictions, or from problems in registration, settlement or custody. Foreign risk also involves the risk of negative foreign currency rate fluctuations, which may cause the value of securities denominated in such foreign currency (or other instruments through which the Fund has exposure to foreign currencies) to decline in value. Currency exchange rates may fluctuate significantly over short periods of time.&lt;/p&gt;
&lt;p&gt;&lt;i&gt;&lt;b&gt;Market Risk&lt;/b&gt;&lt;/i&gt;&amp;#8212;The value of the instruments in which the Fund invests may go up or down in response to the prospects of individual companies, particular industry sectors or governments and/or general economic conditions.&lt;/p&gt;
&lt;p&gt;&lt;i&gt;&lt;b&gt;Stock Risk&lt;/b&gt;&lt;/i&gt;&amp;#8212;Stock prices have historically risen and fallen in periodic cycles. U.S. and foreign stock markets have experienced periods of substantial price volatility in the past and may do so again in the future.&lt;/p&gt;</rr:RiskNarrativeTextBlock>
  <rr:RiskNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009352_Member_Prospectus_Six_Member">&lt;p&gt;Loss of money is a risk of investing in the Fund. An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation (&amp;#8220;FDIC&amp;#8221;) or any government agency. The Fund should not be relied upon as a complete investment program. There can be no assurance that the Fund will achieve its investment objective.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt;Investment Style Risk&amp;#8212;&lt;/i&gt;&lt;/b&gt; Different investment styles (e.g., &amp;#8220;growth&amp;#8221;, &amp;#8220;value&amp;#8221; or &amp;#8220;quantitative&amp;#8221;) tend to shift in and out of favor depending upon market and economic conditions and investor sentiment. The Fund may outperform or underperform other funds that invest in similar asset classes but employ different investment styles.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt;Management Risk&amp;#8212;&lt;/i&gt;&lt;/b&gt; A strategy used by the Investment Adviser may fail to produce the intended results. The Investment Adviser attempts to execute a complex strategy for the Fund using proprietary quantitative models. Investments selected using these models may perform differently than expected as a result of the factors used in the models, the weight placed on each factor, changes from the factors&amp;#8217; historical trends, and technical issues in the construction and implementation of the models (including, for example, data problems and/or software issues). There is no guarantee that the Investment Adviser&amp;#8217;s use of these quantitative models will result in effective investment decisions for the Fund. Additionally, commonality of holdings across quantitative money managers may amplify losses.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt;Market Risk&amp;#8212;&lt;/i&gt;&lt;/b&gt; The value of the instruments in which the Fund invests may go up or down in response to the prospects of individual companies, particular industry sectors or governments and/or general economic conditions.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt;Portfolio Turnover Rate Risk&amp;#8212;&lt;/i&gt;&lt;/b&gt; A high rate of portfolio turnover (100% or more) involves correspondingly greater expenses which must be borne by a Fund and its shareholders.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt;Stock Risk&amp;#8212;&lt;/i&gt;&lt;/b&gt; Stock prices have historically risen and fallen in periodic cycles. U.S. and foreign stock markets have experienced periods of substantial price volatility in the past and may do so again in the future.&lt;/p&gt;</rr:RiskNarrativeTextBlock>
  <rr:RiskNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009355_Member_Prospectus_Thirteen_Member">&lt;p&gt;Loss of money is a risk of investing in the Fund. An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation (&amp;#8220;FDIC&amp;#8221;) or any government agency. The Fund should not be relied upon as a complete investment program. There can be no assurance that the Fund will achieve its investment objective.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt;Investment Style Risk.&lt;/i&gt;&lt;/b&gt; Different investment styles (&lt;i&gt;e.g.&lt;/i&gt;, &amp;#8220;growth&amp;#8221;, &amp;#8220;value&amp;#8221; or &amp;#8220;quantitative&amp;#8221;) tend to shift in and out of favor depending upon market and economic conditions and investor sentiment. The Fund may outperform or underperform other funds that invest in similar asset classes but employ different investment styles.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt;Management Risk.&lt;/i&gt;&lt;/b&gt; A strategy used by the Investment Adviser may fail to produce the intended results. The Investment Adviser attempts to execute a complex strategy for the Fund using proprietary quantitative models. Investments selected using these models may perform differently than expected as a result of the factors used in the models, the weight placed on each factor, changes from the factors&amp;#8217; historical trends, and technical issues in the construction and implementation of the models (including, for example, data problems and/or software issues). There is no guarantee that the Investment Adviser&amp;#8217;s use of these quantitative models will result in effective investment decisions for the Fund. Additionally, commonality of holdings across quantitative money managers may amplify losses.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt;Market Risk.&lt;/i&gt;&lt;/b&gt; The value of the instruments in which the Fund invests may go up or down in response to the prospects of individual companies, particular industry sectors or governments and/or general economic conditions.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt;Mid-Cap and Small-Cap Risk.&lt;/i&gt;&lt;/b&gt; Investments in mid-capitalization and small-capitalization companies involve greater risks than investments in larger, more established companies. These securities may be subject to more abrupt or erratic price movements and may lack sufficient market liquidity, and these issuers often face greater business risks.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt;Portfolio Turnover Rate Risk.&lt;/i&gt;&lt;/b&gt; A high rate of portfolio turnover (100% or more) involves correspondingly greater expenses which must be borne by a Fund and its shareholders.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt;Stock Risk.&lt;/i&gt;&lt;/b&gt; Stock prices have historically risen and fallen in periodic cycles. U.S. and foreign stock markets have experienced periods of substantial price volatility in the past and may do so again in the future.&lt;/p&gt;</rr:RiskNarrativeTextBlock>
  <rr:RiskNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_One_Member_S000009359_Member">&lt;p&gt;Loss of money is a risk of investing in the Fund. An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation (&amp;#8220;FDIC&amp;#8221;) or any government agency. The Fund should not be relied upon as a complete investment program. There can be no assurance that the Fund will achieve its investment objective.&lt;/p&gt;
&lt;p&gt;&lt;i&gt;&lt;b&gt;Emerging Countries Risk.&lt;/b&gt;&lt;/i&gt; The securities markets of most Central and South American, African, Middle Eastern, Asian, Eastern European and other emerging countries are less liquid, are especially subject to greater price volatility, have smaller market capitalizations, have less government regulation and are not subject to as extensive and frequent accounting, financial and other reporting requirements as the securities markets of more developed countries.&lt;/p&gt;
&lt;p&gt;&lt;i&gt;&lt;b&gt;Foreign Risk.&lt;/b&gt;&lt;/i&gt; Foreign securities may be subject to risk of loss because of less foreign government regulation, less public information and less economic, political and social stability in these countries. Loss may also result from the imposition of exchange controls, confiscations and other government restrictions, or from problems in registration, settlement or custody. Foreign risk also involves the risk of negative foreign currency rate fluctuations, which may cause the value of securities denominated in such foreign currency (or other instruments through which the Fund has exposure to foreign currencies) to decline in value. Currency exchange rates may fluctuate significantly over short periods of time.&lt;/p&gt;
&lt;p&gt;&lt;i&gt;&lt;b&gt;Market Risk.&lt;/b&gt;&lt;/i&gt; The value of the instruments in which the Fund invests may go up or down in response to the prospects of individual companies, particular industry sectors or governments and/or general economic conditions.&lt;/p&gt;
&lt;p&gt;&lt;i&gt;&lt;b&gt;Stock Risk.&lt;/b&gt;&lt;/i&gt; Stock prices have historically risen and fallen in periodic cycles. U.S. and foreign stock markets have experienced periods of substantial price volatility in the past and may do so again in the future.&lt;/p&gt;</rr:RiskNarrativeTextBlock>
  <rr:RiskNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eleven_Member_S000009357_Member">&lt;p&gt;Loss of money is a risk of investing in the Fund. An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation (&amp;#8220;FDIC&amp;#8221;) or any government agency. The Fund should not be relied upon as a complete investment program. There can be no assurance that the Fund will achieve its investment objective.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt;Investment Style Risk.&lt;/i&gt;&lt;/b&gt; Different investment styles (&lt;i&gt;e.g.,&lt;/i&gt; &amp;#8220;growth&amp;#8221;, &amp;#8220;value&amp;#8221; or &amp;#8220;quantitative&amp;#8221;) tend to shift in and out of favor depending upon market and economic conditions and investor sentiment. The Fund may outperform or underperform other funds that invest in similar asset classes but employ different investment styles.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt;Market Risk.&lt;/i&gt;&lt;/b&gt; The value of the instruments in which the Fund invests may go up or down in response to the prospects of individual companies, particular industry sectors or governments and/or general economic conditions.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt;Stock Risk.&lt;/i&gt;&lt;/b&gt; Stock prices have historically risen and fallen in periodic cycles. U.S. and foreign stock markets have experienced periods of substantial price volatility in the past and may do so again in the future.&lt;/p&gt;</rr:RiskNarrativeTextBlock>
  <rr:RiskNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009353_Member_Prospectus_Fourteen_Member">&lt;p&gt;Loss of money is a risk of investing in the Fund. An investment in the Fund is not a bank deposit and is not insured or guaranteed by the (&amp;#8220;FDIC&amp;#8221;) or any government agency. The Fund should not be relied upon as a complete investment program. There can be no assurance that the Fund will achieve its investment objective.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt; Credit/Default Risk.&lt;/i&gt;&lt;/b&gt;  An issuer or guarantor of fixed income securities held by the Fund may default on its obligation to pay interest and repay principal. Additionally, the credit quality of securities may deteriorate rapidly, which may impair the Fund's liquidity and cause significant net asset value (&amp;#8220;NAV&amp;#8221;) deterioration.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt; Foreign Risk.&lt;/i&gt;&lt;/b&gt;  Foreign securities may be subject to risk of loss because of less foreign government regulation, less public information and less economic, political and social stability in these countries. Loss may also result from the imposition of exchange controls, confiscations and other government restrictions, or from problems in registration, settlement or custody. Foreign risk also involves the risk of negative foreign currency rate fluctuations, which may cause the value of securities denominated in such foreign currency (or other instruments through which the Fund has exposure to foreign currencies) to decline in value. Currency exchange rates may fluctuate significantly over short periods of time. To the extent that the Fund invests in issuers located in emerging markets, these risks will be more pronounced.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt; Interest Rate Risk.&lt;/i&gt;&lt;/b&gt; When interest rates increase, fixed income securities held by the Fund will generally decline in value. Long-term fixed income securities will normally have more price volatility because of this risk than short-term fixed income securities.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt; Mortgage-Backed and Other Asset-Backed Risk.&lt;/i&gt;&lt;/b&gt;  Mortgage-related and other asset-backed securities are subject to certain additional risks, including &amp;#8220;extension risk&amp;#8221; (i.e., in periods of rising interest rates, issuers may pay principal later than expected) and &amp;#8220;prepayment risk&amp;#8221; (i.e., in periods of declining interest rates, issuers may pay principal more quickly than expected, causing the Fund to reinvest proceeds at lower prevailing interest rates). Mortgage-Backed Securities offered by non-governmental issuers are subject to other risks as well, including failures of private insurers to meet their obligations and unexpectedly high rates of default on the mortgages backing the securities. Other asset-backed securities are subject to risks similar to those associated with Mortgage-Backed Securities, as well as risks associated with the nature and servicing of the assets backing the securities.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt; U.S. Government Securities Risk.&lt;/i&gt;&lt;/b&gt; The U.S. government may not provide financial support to U.S. government agencies, instrumentalities or sponsored enterprises if it is not obligated to do so by law. U.S. Government Securities issued by the Federal National Mortgage Association (&amp;#8220;Fannie Mae&amp;#8221;), Federal Home Loan Mortgage Corporation (&amp;#8220;Freddie Mac&amp;#8221;) and the Federal Home Loan Banks chartered or sponsored by Acts of Congress are not backed by the full faith and credit of the United States. It is possible that these issuers will not have the funds to meet their payment obligations in the future.&lt;/p&gt;</rr:RiskNarrativeTextBlock>
  <rr:RiskNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Two_Member_S000009357_Member">&lt;p&gt;Loss of money is a risk of investing in the Fund. An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation (&amp;#8220;FDIC&amp;#8221;) or any government agency. The Fund should not be relied upon as a complete investment program. There can be no assurance that the Fund will achieve its investment objective.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt;Investment Style Risk.&lt;/i&gt;&lt;/b&gt; Different investment styles (e.g., &amp;#8220;growth&amp;#8221;, &amp;#8220;value&amp;#8221; or &amp;#8220;quantitative&amp;#8221;) tend to shift in and out of favor depending upon market and economic conditions and investor sentiment. The Fund may outperform or underperform other funds that invest in similar asset classes but employ different investment styles.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt;Market Risk.&lt;/i&gt;&lt;/b&gt; The value of the instruments in which the Fund invests may go up or down in response to the prospects of individual companies, particular industry sectors or governments and/or general economic conditions.&lt;/p&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt;Stock Risk.&lt;/i&gt;&lt;/b&gt; Stock prices have historically risen and fallen in periodic cycles. U.S. and foreign stock markets have experienced periods of substantial price volatility in the past and may do so again in the future.&lt;/p&gt;</rr:RiskNarrativeTextBlock>
  <rr:RiskNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009361_Member_Prospectus_Seventeen_Member">&lt;p&gt;Loss of money is a risk of investing in the Fund. An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation (&amp;#8220;FDIC&amp;#8221;) or any government agency. The Fund should not be relied upon as a complete investment program. There can be no assurance that the Fund will achieve its investment objective.&lt;/p&gt;&lt;p&gt;&lt;i&gt;&lt;b&gt;Index Risk.&lt;/b&gt;&lt;/i&gt; Unlike many investment companies, the Fund is not actively managed. As a result, the Fund will not typically dispose of a security unless the security is removed from the relevant index, even if the issuer is in financial trouble.&lt;/p&gt;&lt;p&gt;&lt;i&gt;&lt;b&gt;Market Risk. &lt;/b&gt;&lt;/i&gt; The value of the instruments in which the Fund invests may go up or down in response to the prospects of individual companies, particular industry sectors or governments and/or general economic conditions.&lt;/p&gt;&lt;p&gt;&lt;i&gt;&lt;b&gt;Stock Risk. &lt;/b&gt;&lt;/i&gt; Stock prices have historically risen and fallen in periodic cycles. U.S. and foreign stock markets have experienced periods of substantial price volatility in the past and may do so again in the future.&lt;/p&gt;&lt;p&gt;&lt;i&gt;&lt;b&gt;Tracking Risk. &lt;/b&gt;&lt;/i&gt; The Fund's performance may vary substantially from the performance of the benchmark index it tracks as a result of share purchases and redemptions, transaction costs, expenses and other factors.&lt;/p&gt;</rr:RiskNarrativeTextBlock>
  <rr:RiskNotInsuredDepositoryInstitution contextRef="TwelveMonthsEnded_30Apr2011_S000009356_Member_Prospectus_Fifteen_Member">An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation ("FDIC") or any government agency.</rr:RiskNotInsuredDepositoryInstitution>
  <rr:RiskNotInsuredDepositoryInstitution contextRef="TwelveMonthsEnded_30Apr2011_S000009353_Member_Prospectus_Fourteen_Member">An investment in the Fund is not a bank deposit and is not insured or guaranteed by the ("FDIC") or any government agency.</rr:RiskNotInsuredDepositoryInstitution>
  <rr:RiskNotInsuredDepositoryInstitution contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Five_Member_S000009356_Member">An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation ("FDIC") or any government agency.</rr:RiskNotInsuredDepositoryInstitution>
  <rr:RiskNotInsuredDepositoryInstitution contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Ten_Member_S000009352_Member">An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation ("FDIC") or any government agency.</rr:RiskNotInsuredDepositoryInstitution>
  <rr:RiskNotInsuredDepositoryInstitution contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Four_Member_S000009355_Member">An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation ("FDIC") or any government agency.</rr:RiskNotInsuredDepositoryInstitution>
  <rr:RiskNotInsuredDepositoryInstitution contextRef="TwelveMonthsEnded_30Apr2011_S000009359_Member_Prospectus_Seven_Member">An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation ("FDIC") or any government agency.</rr:RiskNotInsuredDepositoryInstitution>
  <rr:RiskNotInsuredDepositoryInstitution contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eight_Member_S000009362_Member">An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation ("FDIC") or any government agency.</rr:RiskNotInsuredDepositoryInstitution>
  <rr:RiskNotInsuredDepositoryInstitution contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_One_Member_S000009359_Member">An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation ("FDIC") or any government agency.</rr:RiskNotInsuredDepositoryInstitution>
  <rr:RiskNotInsuredDepositoryInstitution contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Nine_Member_S000009360_Member">An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation ("FDIC") or any government agency.</rr:RiskNotInsuredDepositoryInstitution>
  <rr:RiskNotInsuredDepositoryInstitution contextRef="TwelveMonthsEnded_30Apr2011_S000009355_Member_Prospectus_Thirteen_Member">An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation ("FDIC") or any government agency.</rr:RiskNotInsuredDepositoryInstitution>
  <rr:RiskNotInsuredDepositoryInstitution contextRef="TwelveMonthsEnded_30Apr2011_S000009358_Member_Prospectus_Twelve_Member">An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation ("FDIC") or any government agency.</rr:RiskNotInsuredDepositoryInstitution>
  <rr:RiskNotInsuredDepositoryInstitution contextRef="TwelveMonthsEnded_30Apr2011_S000009361_Member_Prospectus_Seventeen_Member">An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation ("FDIC") or any government agency.</rr:RiskNotInsuredDepositoryInstitution>
  <rr:RiskNotInsuredDepositoryInstitution contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eleven_Member_S000009357_Member">An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation ("FDIC") or any government agency.</rr:RiskNotInsuredDepositoryInstitution>
  <rr:RiskNotInsuredDepositoryInstitution contextRef="TwelveMonthsEnded_30Apr2011_S000009354_Member_Prospectus_Sixteen_Member">An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation ("FDIC") or any government agency.</rr:RiskNotInsuredDepositoryInstitution>
  <rr:RiskNotInsuredDepositoryInstitution contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Two_Member_S000009357_Member">An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation ("FDIC") or any government agency.</rr:RiskNotInsuredDepositoryInstitution>
  <rr:RiskNotInsuredDepositoryInstitution contextRef="TwelveMonthsEnded_30Apr2011_S000009352_Member_Prospectus_Six_Member">An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation ("FDIC") or any government agency.</rr:RiskNotInsuredDepositoryInstitution>
  <rr:RiskNotInsuredDepositoryInstitution contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Three_Member_S000009358_Member">An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation ("FDIC") or any government agency.</rr:RiskNotInsuredDepositoryInstitution>
  <rr:RiskReturnHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_One_Member_S000009359_Member">Goldman Sachs Strategic International Equity Fund-Summary</rr:RiskReturnHeading>
  <rr:RiskReturnHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009356_Member_Prospectus_Fifteen_Member">Goldman Sachs Strategic Growth Fund-Summary</rr:RiskReturnHeading>
  <rr:RiskReturnHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Three_Member_S000009358_Member">Goldman Sachs Mid Cap Value Fund-Summary</rr:RiskReturnHeading>
  <rr:RiskReturnHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Nine_Member_S000009360_Member">Goldman Sachs Growth Opportunities Fund-Summary</rr:RiskReturnHeading>
  <rr:RiskReturnHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009359_Member_Prospectus_Seven_Member">Goldman Sachs Strategic International Equity Fund-Summary</rr:RiskReturnHeading>
  <rr:RiskReturnHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009352_Member_Prospectus_Six_Member">Goldman Sachs Structured U.S. Equity Fund-Summary</rr:RiskReturnHeading>
  <rr:RiskReturnHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Four_Member_S000009355_Member">Goldman Sachs Structured Small Cap Equity Fund-Summary</rr:RiskReturnHeading>
  <rr:RiskReturnHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Two_Member_S000009357_Member">Goldman Sachs Large Cap Value Fund-Summary</rr:RiskReturnHeading>
  <rr:RiskReturnHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Five_Member_S000009356_Member">Goldman Sachs Strategic Growth Fund-Summary</rr:RiskReturnHeading>
  <rr:RiskReturnHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009355_Member_Prospectus_Thirteen_Member">Goldman Sachs Structured Small Cap Equity Fund-Summary</rr:RiskReturnHeading>
  <rr:RiskReturnHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009353_Member_Prospectus_Fourteen_Member">Goldman Sachs Core Fixed Income Fund-Summary</rr:RiskReturnHeading>
  <rr:RiskReturnHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eleven_Member_S000009357_Member">Goldman Sachs Large Cap Value Fund-Summary</rr:RiskReturnHeading>
  <rr:RiskReturnHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009354_Member_Prospectus_Sixteen_Member">Goldman Sachs Money Market Fund-Summary</rr:RiskReturnHeading>
  <rr:RiskReturnHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009358_Member_Prospectus_Twelve_Member">Goldman Sachs Mid Cap Value Fund-Summary</rr:RiskReturnHeading>
  <rr:RiskReturnHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Ten_Member_S000009352_Member">Goldman Sachs Structured U.S. Equity Fund-Summary</rr:RiskReturnHeading>
  <rr:RiskReturnHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eight_Member_S000009362_Member">Goldman Sachs Government Income Fund-Summary</rr:RiskReturnHeading>
  <rr:RiskReturnHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009361_Member_Prospectus_Seventeen_Member">Goldman Sachs Equity Index Fund-Summary</rr:RiskReturnHeading>
  <rr:StrategyHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009356_Member_Prospectus_Fifteen_Member">Principal Strategy</rr:StrategyHeading>
  <rr:StrategyHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Two_Member_S000009357_Member">Principal Strategy</rr:StrategyHeading>
  <rr:StrategyHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Four_Member_S000009355_Member">Principal Strategy</rr:StrategyHeading>
  <rr:StrategyHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Ten_Member_S000009352_Member">Principal Strategy</rr:StrategyHeading>
  <rr:StrategyHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eleven_Member_S000009357_Member">Principal Strategy</rr:StrategyHeading>
  <rr:StrategyHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009358_Member_Prospectus_Twelve_Member">Principal Strategy</rr:StrategyHeading>
  <rr:StrategyHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Five_Member_S000009356_Member">Principal Strategy</rr:StrategyHeading>
  <rr:StrategyHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Three_Member_S000009358_Member">Principal Strategy</rr:StrategyHeading>
  <rr:StrategyHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009359_Member_Prospectus_Seven_Member">Principal Strategy</rr:StrategyHeading>
  <rr:StrategyHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Nine_Member_S000009360_Member">Principal Strategy</rr:StrategyHeading>
  <rr:StrategyHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_One_Member_S000009359_Member">Principal Strategy</rr:StrategyHeading>
  <rr:StrategyHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009353_Member_Prospectus_Fourteen_Member">Principal Strategy</rr:StrategyHeading>
  <rr:StrategyHeading contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eight_Member_S000009362_Member">Principal Strategy</rr:StrategyHeading>
  <rr:StrategyHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009361_Member_Prospectus_Seventeen_Member">Principal Strategy</rr:StrategyHeading>
  <rr:StrategyHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009352_Member_Prospectus_Six_Member">Principal Strategy</rr:StrategyHeading>
  <rr:StrategyHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009354_Member_Prospectus_Sixteen_Member">Principal Strategy</rr:StrategyHeading>
  <rr:StrategyHeading contextRef="TwelveMonthsEnded_30Apr2011_S000009355_Member_Prospectus_Thirteen_Member">Principal Strategy</rr:StrategyHeading>
  <rr:StrategyNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009352_Member_Prospectus_Six_Member">&lt;p&gt;The Fund invests, under normal circumstances, at least 80% of its net assets plus any borrowings for investment purposes (measured at time of purchase) (&amp;#8220;Net Assets&amp;#8221;) in a diversified portfolio of equity investments in U.S. issuers, including foreign companies that are traded in the United States.&lt;/p&gt;&lt;p&gt;The Fund uses a &amp;#8220;structured&amp;#8221; quantitative style of management that emphasizes fundamentally-based stock selection, careful portfolio construction and efficient implementation. The Fund's investments are selected using both a variety of quantitative techniques and fundamental research, based on six investment themes: Valuation, Profitability, Quality, Management, Momentum and Sentiment. The Valuation theme attempts to capture potential mispricings of securities, typically by comparing a measure of the company's intrinsic value to its market value. Profitability assesses whether the company is earning more than its cost of capital. Quality evaluates whether the company's earnings are coming from more persistent, cash based sources, as opposed to accruals. Management assesses the characteristics, policies and strategic decisions of company management. Momentum seeks to predict drifts in stock prices caused by under-reaction to company-specific information. Finally, the Sentiment theme reflects selected investment views and decisions of individuals and financial intermediaries.&lt;/p&gt;&lt;p&gt;The Fund maintains risk, style, capitalization and industry characteristics similar to the Standard &amp;#038; Poor's 500&lt;sup&gt;&amp;#174;&lt;/sup&gt; Index (the &amp;#8220;S&amp;#038;P 500&lt;sup&gt;&amp;#174;&lt;/sup&gt; Index&amp;#8221;), which is an index of large-cap stocks designed to reflect a broad representation of the U.S. economy. As of March 1, 2011, the market capitalization range for the S&amp;#038;P 500&lt;sup&gt;&amp;#174;&lt;/sup&gt; Index was between $1.5 billion and $422.2 billion. The Fund seeks to maximize expected return while maintaining these and other characteristics similar to the benchmark. However, the Fund may invest in securities outside the S&amp;#038;P 500 capitalization range.&lt;/p&gt;&lt;p&gt;The Investment Adviser will not consider the portfolio turnover rate a limiting factor in managing the Fund, and the Fund's investment style may result in frequent trading and relatively high portfolio turnover.&lt;/p&gt;&lt;p&gt;The Fund may also invest in fixed income securities that are considered to be cash equivalents.&lt;/p&gt;</rr:StrategyNarrativeTextBlock>
  <rr:StrategyNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Five_Member_S000009356_Member">&lt;p&gt;The Fund invests, under normal circumstances, at least 90% of its total assets measured at time of purchase (&amp;#8220;Total Assets&amp;#8221;) in equity investments. Although the Fund invests primarily in publicly traded U.S. securities, it may invest up to 25% of its Total Assets in foreign securities, including securities of issuers in countries with emerging markets or economies (&amp;#8220;emerging countries&amp;#8221;) and securities quoted in foreign currencies.&lt;/p&gt;&lt;p&gt;The Fund seeks to achieve its investment objective by investing in a diversified portfolio of equity investments that are considered by the Investment Adviser to be strategically positioned for consistent long-term growth. The Fund&amp;#8217;s fundamental equity growth investment process involves evaluating potential investments based on specific characteristics believed to indicate a high-quality business with sustainable growth, including strong business franchises, favorable long-term prospects, and excellent management. The Investment Adviser will also consider valuation of companies when determining whether to buy and/or sell securities. The Investment Adviser may decide to sell a position for various reasons. Some of these reasons may include when a company&amp;#8217;s fundamental outlook deteriorates,
valuation and price considerations, for risk management purposes or when a company is deemed to be misallocating capital. In addition, the Investment Adviser may sell a position in order to meet shareholder redemptions.&lt;/p&gt;</rr:StrategyNarrativeTextBlock>
  <rr:StrategyNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Two_Member_S000009357_Member">&lt;p&gt;The Fund invests, under normal circumstances, at least 80% of its net assets plus any borrowings for investment purposes (measured at time of purchase) (&amp;#8220;Net Assets&amp;#8221;) in a diversified portfolio of equity investments in large-cap U.S. issuers with public stock market capitalizations within the range of the market capitalization of companies constituting the Russell 1000&lt;sup&gt;&amp;#174;&lt;/sup&gt; Value Index at the time of investment. As of March 1, 2011, the capitalization range of the Russell 1000&lt;sup&gt;&amp;#174;&lt;/sup&gt; Value Index was between approximately $222 million and $422 billion. Although the Fund will invest primarily in publicly traded U.S. securities, it may invest in foreign securities, including securities quoted in foreign currencies.&lt;/p&gt;&lt;p&gt;The Fund seeks its investment objective by investing in value opportunities that the Investment Adviser defines as companies with identifiable competitive advantages whose intrinsic value is not reflected in the stock price. The Fund&amp;#8217;s equity investment process involves: (1) using multiple industry-specific valuation metrics to identify real economic value and company potential in stocks, screened by valuation, profitability and business characteristics; (2) conducting in-depth company research and assessing overall business quality; and (3) buying those securities that a sector portfolio manager recommends, taking into account feedback from the rest of the portfolio management team. The Investment Adviser may decide to sell a position for various reasons. Some of these reasons may include valuation and price considerations, when the Investment Adviser adjusts its outlook on the security based on subsequent events, the Investment Adviser&amp;#8217;s ongoing assessment of the quality and effectiveness of management, if new investment ideas offer the potential for a better risk/reward profiles than existing holdings, or for risk management purposes. In addition the Investment Adviser may sell a position in order to meet shareholder redemptions.&lt;/p&gt;&lt;p&gt;The Fund may also invest in fixed income securities, such as government, corporate and bank debt obligations.&lt;/p&gt;</rr:StrategyNarrativeTextBlock>
  <rr:StrategyNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Nine_Member_S000009360_Member">&lt;p&gt;The Fund invests, under normal circumstances, at least 90% of its total assets measured at the time of purchase ("Total Assets") in equity investments with a primary focus on mid-cap companies. The Fund seeks to achieve its investment objective by investing in a diversified portfolio of equity investments that are considered by the Investment Adviser to be strategically positioned for long-term growth. Although the Fund invests primarily in publicly traded U.S. securities, it may invest up to 25% of its Total Assets in foreign securities,
including securities of issuers in countries with emerging markets or economies (&amp;#8220;emerging countries&amp;#8221;) and securities quoted in foreign currencies.&lt;/p&gt;&lt;p&gt;The Fund&amp;#8217;s fundamental equity growth investment process involves evaluating potential investments based on specific characteristics believed to indicate a high-quality business with sustainable growth, including strong business franchises, favorable long-term prospects, and excellent management. The Investment Adviser will also consider valuation of companies when determining whether to buy and/or sell securities. The Investment Adviser may decide to sell a position for various reasons. Some of these reasons may include when a company&amp;#8217;s fundamental outlook deteriorates, valuation and price considerations, for risk management purposes, when a company is deemed to be misallocating capital or a company no longer fits within the Fund&amp;#8217;s definition of a mid cap company. In addition, the Investment Adviser may sell a position in order to meet shareholder redemptions.&lt;/p&gt;</rr:StrategyNarrativeTextBlock>
  <rr:StrategyNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009355_Member_Prospectus_Thirteen_Member">&lt;p&gt;The Fund invests, under normal circumstances, at least 80% of its net assets plus any borrowings for investment purposes (measured at time of purchase) (&amp;#8220;Net Assets&amp;#8221;) in a broadly diversified portfolio of equity investments in small-cap U.S. issuers, including foreign issuers that are traded in the United States. These issuers will have public stock market capitalizations similar to that of the range of the market capitalizations of companies constituting the Russell 2000&lt;sup&gt;&amp;#174;&lt;/sup&gt; Index at the time of investment, which as of March 1, 2011 was between $6 million and $6.1 billion. However, the Fund may invest in securities outside the Russell 2000&lt;sup&gt;&amp;#174;&lt;/sup&gt; Index capitalization range.&lt;/p&gt;&lt;p&gt;The Fund uses a &amp;#8220;structured&amp;#8221; quantitative style of management that emphasizes fundamentally-based stock selection, careful portfolio construction and efficient implementation. The Fund&amp;#8217;s investments are selected using both a variety of quantitative techniques and fundamental research, based on six investment themes: Valuation, Profitability, Quality, Management, Momentum and Sentiment. The Valuation theme attempts to capture potential mispricings of securities, typically by comparing a measure of the company&amp;#8217;s intrinsic value to its market value. Profitability assesses whether the company is earning more than its cost of capital. Quality evaluates whether the company&amp;#8217;s earnings are coming from more persistent, cash based sources, as opposed to accruals. Management assesses the characteristics, policies and strategic decisions of company management. Momentum seeks to predict drifts in stock prices caused by under-reaction to company-specific information. Finally, the Sentiment theme reflects selected investment views and decisions of individuals and financial intermediaries.&lt;/p&gt;&lt;p&gt;The Fund maintains risk, style, capitalization and industry characteristics similar to the Russell 2000&lt;sup&gt;&amp;#174;&lt;/sup&gt; Index, which is an index designed to represent an investable universe of small-cap companies. The Fund seeks to maximize expected return while maintaining these and other characteristics similar to the benchmark.&lt;/p&gt;&lt;p&gt;The Investment Adviser will not consider the portfolio turnover rate a limiting factor in managing the Fund, and the Fund&amp;#8217;s investment style may result in frequent trading and relatively high portfolio turnover.&lt;/p&gt;&lt;p&gt;The Fund may also invest in fixed income securities that are considered to be cash equivalents.&lt;/p&gt;</rr:StrategyNarrativeTextBlock>
  <rr:StrategyNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009358_Member_Prospectus_Twelve_Member">&lt;p&gt;The Fund invests, under normal circumstances, at least 80% of its net assets plus any borrowings for investment purposes (measured at time of purchase) (&amp;#8220;Net Assets&amp;#8221;) in a diversified portfolio of equity investments in mid-cap issuers with public stock market capitalizations within the range of the market capitalization of companies constituting the Russell Midcap&lt;sup&gt;&amp;#174;&lt;/sup&gt; Value Index at the time of investment. As of March 1, 2011, the capitalization range of the Russell Midcap&lt;sup&gt;&amp;#174;&lt;/sup&gt; Value Index was between approximately $222 million and $26 billion. Although the Fund will invest primarily in publicly traded U.S. securities, it may invest in foreign securities, including securities of issuers in countries with emerging markets or economies (&amp;#8220;emerging countries&amp;#8221;) and securities quoted in foreign currencies.&lt;/p&gt;&lt;p&gt;The Fund&amp;#8217;s equity investment process involves: (1) using multiple industry-specific valuation metrics to identify real economic value and company potential in stocks, screened by valuation, profitability and business characteristics; (2) conducting in-depth company research and assessing overall business quality; and (3) buying those securities that a sector portfolio manager recommends, taking into account feedback from the rest of the portfolio management team. The Investment Adviser may decide to sell a position for various reasons. Some of these reasons may include valuation and price considerations, when the Investment Adviser adjusts its outlook on the security based on subsequent events, the Investment Adviser&amp;#8217;s ongoing assessment of the quality and effectiveness of management, if new investment ideas offer the potential for a better risk/reward profiles than existing holdings, or for risk management purposes. In addition the Investment Adviser may sell a position in order to meet shareholder redemptions.&lt;/p&gt;&lt;p&gt;The Fund may also invest in companies with public stock market capitalizations outside the range of companies constituting the Russell Midcap&lt;sup&gt;&amp;#174;&lt;/sup&gt; Value Index at the time of investment and in fixed income securities, such as government, corporate and bank debt obligations.&lt;/p&gt;</rr:StrategyNarrativeTextBlock>
  <rr:StrategyNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eleven_Member_S000009357_Member">&lt;p&gt;The Fund invests, under normal circumstances, at least 80% of its net assets plus any borrowings for investment purposes (measured at time of purchase) (&amp;#8220;Net Assets&amp;#8221;) in a diversified portfolio of equity investments in large-cap U.S. issuers with public stock market capitalizations within the range of the market capitalization of companies constituting the Russell 1000&lt;sup&gt;&amp;#174;&lt;/sup&gt; Value Index at the time of investment. As of March 1, 2011, the capitalization range of the Russell 1000&lt;sup&gt;&amp;#174;&lt;/sup&gt; Value Index was between approximately $222 million and $422 billion. Although the Fund will invest primarily in publicly traded U.S. securities, it may invest in foreign securities, including securities quoted in foreign currencies.&lt;/p&gt;&lt;p&gt;The Fund seeks its investment objective by investing in value opportunities that the Investment Adviser defines as companies with identifiable competitive advantages whose intrinsic value is not reflected in the stock price. The Fund&amp;#8217;s equity investment process involves: (1) using multiple industry-specific valuation metrics to identify real economic value and company potential in stocks, screened by valuation, profitability and business characteristics; (2) conducting in-depth company research and assessing overall business quality; and (3) buying those securities that a sector portfolio manager recommends, taking into account feedback from the rest of the portfolio management team. The Investment Adviser may decide to sell a position for various reasons. Some of these reasons may include valuation and price considerations, when the Investment Adviser adjusts its outlook on the security based on subsequent events, the Investment Adviser&amp;#8217;s ongoing assessment of the quality and effectiveness of management, if new investment ideas offer the potential for a better risk/reward profiles than existing holdings, or for risk management purposes. In addition the Investment Adviser may sell a position in order to meet shareholder redemptions.&lt;/p&gt;&lt;p&gt;The Fund may also invest in fixed income securities, such as government, corporate and bank debt obligations.&lt;/p&gt;</rr:StrategyNarrativeTextBlock>
  <rr:StrategyNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009361_Member_Prospectus_Seventeen_Member">&lt;p&gt;The Fund attempts to replicate the aggregate price and yield performance of a benchmark index that measures the investment returns of large capitalization stocks. The Fund's benchmark is the Standard &amp;#038; Poor&amp;#8217;s 500&lt;sup&gt;&amp;#174;&lt;/sup&gt; Index (&amp;#8220;S&amp;#038;P 500&lt;sup&gt;&amp;#174;&lt;/sup&gt; Index&amp;#8221;). Under normal circumstances, the Fund will hold equity securities of approximately 500 different companies included in the S&amp;#038;P 500&lt;sup&gt;&amp;#174;&lt;/sup&gt; Index and will invest at least 80% of its net assets plus any borrowings for investment purposes (measured at time of purchase) (&amp;#8220;Net Assets&amp;#8221;) in equity type securities.&lt;/p&gt;&lt;p&gt;The Fund's passive equity process objective is to remain fully invested in the equity market at all times. To accomplish this, the Fund may hold a small amount of unleveraged exchange-traded index futures contracts to maintain full exposure.&lt;/p&gt;</rr:StrategyNarrativeTextBlock>
  <rr:StrategyNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Eight_Member_S000009362_Member">&lt;p&gt;The Fund invests, under normal circumstances, at least 80% of its net assets plus any borrowings for investment purposes (measured at the time of purchase) (&amp;#8220;Net Assets&amp;#8221;) in securities issued or guaranteed by the U.S. government, its agencies, instrumentalities or sponsored enterprises (&amp;#8220;U.S. Government Securities&amp;#8221;) and in repurchase agreements collateralized by such securities. The remainder of the Fund&amp;#8217;s Net Assets may be invested in non-government securities such as privately issued adjustable rate and fixed rate mortgage loans or other mortgage-related securities (&amp;#8220;Mortgage-Backed Securities&amp;#8221;), asset-backed securities and corporate securities. 100% of the Fund&amp;#8217;s portfolio will be invested in U.S. dollar-denominated securities.&lt;/p&gt;&lt;p&gt;The Fund&amp;#8217;s investments in non-U.S. Government Securities must be rated AAA or Aaa by a nationally recognized statistical rating organization (&amp;#8220;NRSRO&amp;#8221;) at the time of purchase, or, if unrated, must be determined by the Investment Adviser to be of comparable quality. The Fund&amp;#8217;s target duration is that of the Barclays Capital Government/Mortgage Index, plus or minus one year (the Fund&amp;#8217;s duration approximates its price sensitivity to changes in interest rates), and over the past ten years, the duration of this index has ranged between 2.85 and 4.79 years.&lt;/p&gt;&lt;p&gt;Goldman Sachs&amp;#8217; Fixed Income Investing Philosophy:&lt;/p&gt;&lt;p&gt;Global fixed income markets are constantly evolving and are highly diverse&amp;#8212;with myriad countries, currencies, sectors, issuers and securities. We believe that inefficiencies in these complex markets cause bond prices to diverge from their fair value. To capitalize on these inefficiencies and generate consistent risk-adjusted performance, we believe it is critical to:&lt;/p&gt;&lt;p&gt;&amp;#8226; Thoughtfully combine diversified sources of return by employing multiple strategies&lt;/p&gt;&lt;p&gt;&amp;#8226; Take a global perspective to uncover relative value opportunities&lt;/p&gt;&lt;p&gt;&amp;#8226; Employ focused specialist teams to identify short-term mis-pricings and incorporate long-term views&lt;/p&gt;&lt;p&gt;&amp;#8226; Emphasize a risk-aware approach as we view risk management as both an offensive and defensive tool&lt;/p&gt;&lt;p&gt;&amp;#8226; Build a strong team of skilled investors who excel on behalf of our clients&lt;/p&gt;</rr:StrategyNarrativeTextBlock>
  <rr:StrategyNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009354_Member_Prospectus_Sixteen_Member">&lt;p&gt;The Fund pursues its investment objective by investing in obligations issued or guaranteed by U.S. government agencies, authorities, instrumentalities or sponsored enterprises (&amp;#8220;U.S. Government Securities&amp;#8221;), obligations of U.S. banks, commercial paper and other short term obligations of U.S. companies, states, municipalities and other entities and repurchase agreements. The Fund may also invest in U.S. dollar-denominated obligations of foreign banks, foreign companies and foreign governments. The Fund may not invest more than 25% of its total assets in the securities of any one foreign government.&lt;/p&gt;&lt;p&gt;The Fund&amp;#8217;s securities are valued using the amortized cost method as permitted by Rule 2a-7 under the Investment Company Act of 1940, as amended (the &amp;#8220;Investment Company Act&amp;#8221;). Under Rule 2a-7, the Fund may invest only in U.S. dollar-denominated securities that are determined to present minimal credit risk and meet certain other criteria, including conditions relating to maturity, portfolio diversification, portfolio liquidity and credit quality. The Fund seeks to maintain a stable net asset value (&amp;#8220;NAV&amp;#8221;) of $1.00 per share.&lt;/p&gt;</rr:StrategyNarrativeTextBlock>
  <rr:StrategyNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Four_Member_S000009355_Member">&lt;p&gt;The Fund invests, under normal circumstances, at least 80% of its net assets plus any borrowings for investment purposes (measured at time of purchase) (&amp;#8220;Net Assets&amp;#8221;) in a broadly diversified portfolio of equity investments in small-cap U.S. issuers, including foreign issuers that are traded in the United States. These issuers will have public stock market capitalizations similar to that of the range of the market capitalizations of companies constituting the Russell 2000&lt;sup&gt;&amp;#174;&lt;/sup&gt; Index at the time of investment, which as of March 1, 2011 was between $6 million and $6.1 billion. However, the Fund may invest in securities outside the Russell 2000&lt;sup&gt;&amp;#174;&lt;/sup&gt; Index capitalization range.&lt;/p&gt;&lt;p&gt; The Fund uses a &amp;#8220;structured&amp;#8221; quantitative style of management that emphasizes fundamentally-based stock selection, careful portfolio construction and efficient implementation. The Fund&amp;#8217;s investments are selected using both a variety of quantitative techniques and fundamental research, based on six investment themes: Valuation, Profitability, Quality, Management, Momentum and Sentiment. The Valuation theme attempts to capture potential mispricings of securities, typically by comparing a measure of the company&amp;#8217;s intrinsic value to its market value. Profitability assesses whether the company is earning more than its cost of capital. Quality evaluates whether the company&amp;#8217;s earnings are coming from more persistent, cash based sources, as opposed to accruals. Management assesses the characteristics, policies and strategic decisions of company management. Momentum seeks to predict drifts in stock prices caused by under-reaction to company-specific information. Finally, the Sentiment theme reflects selected investment views and decisions of individuals and financial intermediaries.&lt;/p&gt;&lt;p&gt;The Fund maintains risk, style, capitalization and industry characteristics similar to the Russell 2000&lt;sup&gt;&amp;#174;&lt;/sup&gt; Index, which is an index designed to represent an investable universe of small-cap companies. The Fund seeks to maximize expected return while maintaining these and other characteristics similar to the benchmark.&lt;/p&gt;&lt;p&gt;The Investment Adviser will not consider the portfolio turnover rate a limiting factor in managing the Fund, and the Fund&amp;#8217;s investment style may result in frequent trading and relatively high portfolio turnover.&lt;/p&gt;&lt;p&gt;The Fund may also invest in fixed income securities that are considered to be cash equivalents.&lt;/p&gt;</rr:StrategyNarrativeTextBlock>
  <rr:StrategyNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009359_Member_Prospectus_Seven_Member">&lt;p&gt;The Fund invests, under normal circumstances, at least 80% of its net assets plus any borrowings for investment purposes (measured at the time of purchase) (&amp;#8220;Net Assets&amp;#8221;) in a diversified portfolio of equity investments in companies that are organized outside the United States or whose securities are principally traded outside the United States. The Fund intends to invest in companies with public stock market capitalizations that are larger than $500 million at the time of investment, and in at least three foreign countries.&lt;/p&gt;&lt;p&gt;The Fund expects to invest a substantial portion of its assets in the securities of issuers located in the developed countries of Western Europe and in Japan, but may also invest in securities of issuers located in Australia, Canada, New Zealand and in emerging countries. From time to time, the Fund&amp;#8217;s investments in a particular developed country may exceed 25% of its investment portfolio. The Fund is &amp;#8220;strategic&amp;#8221; in that it seeks to provide investors with access to the long term investment opportunity of the international markets.&lt;/p&gt;&lt;p&gt;The Fund&amp;#8217;s investments are selected using a strong valuation discipline to purchase what the Investment Adviser believes are well-positioned, cash-generating businesses run by shareholder-oriented management teams.&lt;/p&gt;&lt;p&gt;The Fund may also invest in fixed income securities, such as government, corporate and bank debt obligations.&lt;/p&gt;</rr:StrategyNarrativeTextBlock>
  <rr:StrategyNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Ten_Member_S000009352_Member">&lt;p&gt;The Fund invests, under normal circumstances, at least 80% of its net assets plus any borrowings for investment purposes (measured at time of purchase) (&amp;#8220;Net Assets&amp;#8221;) in a diversified portfolio of equity investments in U.S. issuers, including foreign companies that are traded in the United States.&lt;/p&gt;&lt;p&gt;The Fund uses a &amp;#8220;structured&amp;#8221; quantitative style of management that emphasizes fundamentally-based stock selection, careful portfolio construction and efficient implementation. The Fund's investments are selected using both a variety of quantitative techniques and fundamental research, based on six investment themes: Valuation, Profitability, Quality, Management, Momentum and Sentiment. The Valuation theme attempts to capture potential mispricings of securities, typically by comparing a measure of the company's intrinsic value to its market value. Profitability assesses whether the company is earning more than its cost of capital. Quality evaluates whether the company's earnings are coming from more persistent, cash based sources, as opposed to accruals. Management assesses the characteristics, policies and strategic decisions of company management. Momentum seeks to predict drifts in stock prices caused by under-reaction to company-specific information. Finally, the Sentiment theme reflects selected investment views and decisions of individuals and financial intermediaries.&lt;/p&gt;&lt;p&gt;The Fund maintains risk, style, capitalization and industry characteristics similar to the Standard &amp;#038; Poor's 500&lt;sup&gt;&amp;#174;&lt;/sup&gt; Index (the &amp;#8220;S&amp;#038;P 500&lt;sup&gt;&amp;#174;&lt;/sup&gt; Index&amp;#8221;), which is an index of large-cap stocks designed to reflect a broad representation of the U.S. economy. As of March 1, 2011, the market capitalization range for the S&amp;#038;P 500&lt;sup&gt;&amp;#174;&lt;/sup&gt; Index was between $1.5 billion and $422.2 billion. The Fund seeks to maximize expected return while maintaining these and other characteristics similar to the benchmark. However, the Fund may invest in securities outside the S&amp;#038;P 500&lt;sup&gt;&amp;#174;&lt;/sup&gt; capitalization range.&lt;/p&gt;&lt;p&gt;The Investment Adviser will not consider the portfolio turnover rate a limiting factor in managing the Fund, and the Fund's investment style may result in frequent trading and relatively high portfolio turnover.&lt;/p&gt;&lt;p&gt; The Fund may also invest in fixed income securities that are considered to be cash equivalents.&lt;/p&gt;</rr:StrategyNarrativeTextBlock>
  <rr:StrategyNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009356_Member_Prospectus_Fifteen_Member">&lt;p&gt;The Fund invests, under normal circumstances, at least 90% of its total assets measured at time of purchase (&amp;#8220;Total Assets&amp;#8221;) in equity investments. Although the Fund invests primarily in publicly traded U.S. securities, it may invest up to 25% of its Total Assets in foreign securities, including securities of issuers in countries with emerging markets or economies (&amp;#8220;emerging countries&amp;#8221;) and securities quoted in foreign currencies.&lt;/p&gt;&lt;p&gt; The Fund seeks to achieve its investment objective by investing in a diversified portfolio of equity investments that are considered by the Investment Adviser to be strategically positioned for consistent long-term growth. The Fund&amp;#8217;s fundamental equity growth investment process involves evaluating potential investments based on specific characteristics believed to indicate a high-quality business with sustainable growth, including strong business franchises, favorable long-term prospects, and excellent management. The Investment Adviser will also consider valuation of companies when determining whether to buy and/or sell securities. The Investment Adviser may decide to sell a position for various reasons. Some of these reasons may include when a company&amp;#8217;s fundamental outlook deteriorates, valuation and price considerations, for risk management purposes or when a company is deemed to be misallocating capital. In addition, the Investment Adviser may sell a position in order to meet shareholder redemptions.&lt;/p&gt;</rr:StrategyNarrativeTextBlock>
  <rr:StrategyNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_Three_Member_S000009358_Member">&lt;p&gt;The Fund invests, under normal circumstances, at least 80% of its net assets plus any borrowings for investment purposes (measured at time of purchase) (&amp;#8220;Net Assets&amp;#8221;) in a diversified portfolio of equity investments in mid-cap issuers with public stock market capitalizations within the range of the market capitalization of companies constituting the Russell Midcap&lt;sup&gt;&amp;#174;&lt;/sup&gt; Value Index at the time of investment. As of March 1, 2011, the capitalization range of the Russell Midcap&lt;sup&gt;&amp;#174;&lt;/sup&gt; Value Index was between approximately $222 million and $26 billion. Although the Fund will invest primarily in publicly traded U.S. securities, it may invest in foreign securities, including securities of issuers in countries with emerging markets or economies (&amp;#8220;emerging countries&amp;#8221;) and securities quoted in foreign currencies.&lt;/p&gt;
&lt;p&gt;The Fund&amp;#8217;s equity investment process involves: (1) using multiple industry-specific valuation metrics to identify real economic value and company potential in stocks, screened by valuation, profitability and business characteristics; (2) conducting in-depth company research and assessing overall business quality; and (3) buying those securities that a sector portfolio manager recommends, taking into account feedback from the rest of the portfolio management team. The Investment Adviser may decide to sell a position for various reasons. Some of these reasons may include valuation and price considerations, when the Investment Adviser adjusts its outlook on the security based on subsequent events, the Investment Adviser&amp;#8217;s ongoing assessment of the quality and effectiveness of management, if new investment ideas offer the potential for a better risk/reward profiles than existing holdings, or for risk management purposes. In addition the Investment Adviser may sell a position in order to meet shareholder redemptions.&lt;/p&gt;
&lt;p&gt;The Fund may also invest in companies with public stock market capitalizations outside the range of companies constituting the Russell Midcap&lt;sup&gt;&amp;#174;&lt;/sup&gt; Value Index at the time of investment and in fixed income securities, such as government, corporate and bank debt obligations.&lt;/p&gt;</rr:StrategyNarrativeTextBlock>
  <rr:StrategyNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_Prospectus_One_Member_S000009359_Member">&lt;p&gt;The Fund invests, under normal circumstances, at least 80% of its net assets plus any borrowings for investment purposes (measured at the time of purchase) (&amp;#8220;Net Assets&amp;#8221;) in a diversified portfolio of equity investments in companies that are organized outside the United States or whose securities are principally traded outside the United States. The Fund intends to invest in companies with public stock market capitalizations that are larger than $500 million at the time of investment, and in at least three foreign countries.&lt;/p&gt;&lt;p&gt;The Fund expects to invest a substantial portion of its assets in the securities of issuers located in the developed countries of Western Europe and in Japan, but may also invest in securities of issuers located in Australia, Canada, New Zealand and in emerging countries. From time to time, the Fund&amp;#8217;s investments in a particular developed country may exceed 25% of its investment portfolio. The Fund is &amp;#8220;strategic&amp;#8221; in that it seeks to provide investors with access to the long term investment opportunity of the international markets.&lt;/p&gt;&lt;p&gt;The Fund&amp;#8217;s investments are selected using a strong valuation discipline to purchase what the Investment Adviser believes are well-positioned, cash-generating businesses run by shareholder-oriented management teams.&lt;/p&gt;&lt;p&gt;The Fund may also invest in fixed income securities, such as government, corporate and bank debt obligations.&lt;/p&gt;</rr:StrategyNarrativeTextBlock>
  <rr:StrategyNarrativeTextBlock contextRef="TwelveMonthsEnded_30Apr2011_S000009353_Member_Prospectus_Fourteen_Member">&lt;p&gt;The Fund invests, under normal circumstances, at least 80% of its net assets plus any borrowings for investment purposes (measured at the time of purchase) (&amp;#8220;Net Assets&amp;#8221;) in fixed income securities, including securities issued or guaranteed by the U.S. government, its agencies, instrumentalities or sponsored enterprises (&amp;#8220;U.S. Government Securities&amp;#8221;), corporate debt securities, privately issued adjustable rate and fixed rate mortgage loans or other mortgage-related securities (&amp;#8220;Mortgage-Backed Securities&amp;#8221;) and asset-backed securities. The Fund may also invest in custodial receipts, fixed income securities issued by or on behalf of states, territories, and possessions of the United States (including the District of Columbia) (&amp;#8220;Municipal Securities&amp;#8221;) and convertible securities. The Fund may also engage in forward foreign currency transactions for both speculative and hedging purposes.&lt;/p&gt;&lt;p&gt;The Fund&amp;#8217;s investments in non-U.S. dollar denominated obligations (hedged or unhedged against currency risk) will not exceed 25% of its total assets measured at the time of purchase (&amp;#8220;Total Assets&amp;#8221;), and 10% of the Fund&amp;#8217;s Total Assets may be invested in obligations of issuers in countries with emerging markets or economies (&amp;#8220;emerging countries&amp;#8221;). Additionally, exposure to non-U.S. currencies (unhedged against currency risk) will not exceed 25% of the Fund&amp;#8217;s Total Assets. In pursuing its investment objective, the Fund uses the Index as its performance benchmark, but the Fund will not attempt to replicate the Index. The Fund may, therefore, invest in securities that are not included in the Index.&lt;/p&gt;&lt;p&gt;The Fund may invest in fixed income securities rated at least BBB - or Baa3 at the time of purchase. Securities will either be rated by a nationally recognized statistical rating organization (&amp;#8220;NRSRO&amp;#8221;) or, if unrated, determined by the Investment Adviser to be of comparable quality. The Fund&amp;#8217;s target duration is that of the Index plus or minus one year (the Fund&amp;#8217;s duration approximates its price sensitivity to changes in interest rates), and over the last ten years, the duration of the Index has ranged between 3.71 and 4.98 years.&lt;/p&gt;</rr:StrategyNarrativeTextBlock>
  <!--Footnote Section-->
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    <link:footnote xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:label="Footnote-10" xml:lang="en-US">&lt;i&gt;From 1/12/98 (the inception date of this share class) to 1/31/98 only, the performance information above is that of the MSCI&amp;#174; EAFE&amp;#174; Price Index, because the MSCI&amp;#174; EAFE&amp;#174; (net) Index provided only month-end performance information during this time period.&lt;/i&gt;</link:footnote>
    <link:footnote xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:label="Footnote-03" xml:lang="en-US">&lt;i&gt;The Total Annual Fund Operating Expenses do not correlate to the ratios of net and total expenses to average net assets provided in the Financial Highlights, which reflect the operating expenses of the Fund and do not include Acquired Fund Fees and Expenses.&lt;/i&gt;</link:footnote>
    <link:footnote xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:label="Footnote-15" xml:lang="en-US">&lt;i&gt;The Fund's "Total Annual Fund Operating Expenses" have been restated to reflect expenses expected to be incurred for the current fiscal year.&lt;/i&gt;</link:footnote>
    <link:footnote xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:label="Footnote-01" xml:lang="en-US">&lt;i&gt;The Investment Adviser has agreed to reduce or limit "Other Expenses" (excluding management fees, distribution and service fees, transfer agency fees and expenses, taxes, interest, brokerage fees and litigation, indemnification, shareholder meeting and other extraordinary expenses, exclusive of any custody and transfer agent fee credit reductions) equal on an annualized basis to 0.004% of the Fund's average daily net assets through at least April 29, 2012, and prior to such date the Investment Adviser may not terminate the arrangement without the approval of the Board of Trustees. In addition, Goldman, Sachs &amp; Co. ("Goldman Sachs") has agreed to waive distribution and service fees so as not to exceed an annual rate of 0.16% of the Fund's average daily net assets attributable to Service Shares through at least April 29, 2012, and prior to such date Goldman Sachs may not terminate the arrangement without the approval of the Board of Trustees.&lt;/i&gt;</link:footnote>
    <link:footnote xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:label="Footnote-02" xml:lang="en-US">&lt;i&gt;The Investment Adviser has agreed to (i) waive a portion of the management fee equal to 0.09% of the annual contractual rate applicable to the Fund's average daily net assets between $0 and $400 million, and equal to 0.10% of the annual contractual rate applicable to the Fund's average daily net assets exceeding $400 million, and (ii) reduce or limit "Other Expenses" (excluding management fees, distribution and service fees, transfer agency fees and expenses, taxes, interest, brokerage fees and litigation, indemnification, shareholder meeting and other extraordinary expenses, exclusive of any custody and transfer agent fee credit reductions) to 0.004% of the Fund's average daily net assets. Each arrangement will remain in effect through at least April 29, 2012, and prior to such date the Investment Adviser may not terminate the arrangements without the approval of the Board of Trustees.&lt;/i&gt;</link:footnote>
    <link:footnote xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:label="Footnote-06" xml:lang="en-US">&lt;i&gt;The Investment Adviser has agreed to reduce or limit "Other Expenses" (excluding management fees, distribution and service fees, transfer agency fees and expenses, acquired fund fees and expenses, taxes, interest, brokerage fees and litigation, indemnification, shareholder meeting and other extraordinary expenses, exclusive of any custody and transfer agent fee credit reductions) equal on an annualized basis to 0.004% of the Fund's average daily net assets through at least April 29, 2012, and prior to such date the Investment Adviser may not terminate the arrangement without the approval of the Board of Trustees.&lt;/i&gt;</link:footnote>
    <link:footnote xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:label="Footnote-14" xml:lang="en-US">&lt;i&gt;The Investment Adviser has agreed to reduce or limit "Other Expenses" (excluding management fees, distribution and service fees, transfer agency fees and expenses, acquired fund fees and expenses, taxes, interest, brokerage fees and litigation, indemnification, shareholder meeting and other extraordinary expenses, exclusive of any custody and transfer agent fee credit reductions) equal on an annualized basis to 0.144% of the Fund's average daily net assets through at least April 29, 2012, and prior to such date the Investment Adviser may not  terminate the arrangement without the approval of the Board of Trustees.&lt;/i&gt;</link:footnote>
    <link:footnote xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:label="Footnote-08" xml:lang="en-US">&lt;i&gt;The Investment Adviser has agreed to reduce or limit "Other Expenses" (excluding management fees, distribution and service fees, transfer agency fees and expenses, taxes, interest, brokerage fees and litigation, indemnification, shareholder meeting and other extraordinary expenses, exclusive of any custody and transfer agent fee credit reductions) equal on an annualized basis to 0.004% of the Fund's average daily net assets through at least April 29, 2012, and prior to such date the Investment Adviser may not terminate the arrangement without the approval of the Board of Trustees. In addition, Goldman, Sachs &amp; Co. ("Goldman Sachs") has agreed to waive distribution and service fees so as not to exceed an annual rate of 0.21% of the Fund's average daily net assets attributable to Service Shares through at least April 29, 2012, and prior to such date Goldman Sachs may not terminate the arrangement without the approval of the Board of Trustees.&lt;/i&gt;</link:footnote>
    <link:footnote xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:label="Footnote-09" xml:lang="en-US">&lt;i&gt;The Investment Adviser has agreed to reduce or limit "Other Expenses" (excluding management fees, transfer agency fees and expenses, acquired fund fees and expenses, taxes, interest, brokerage fees and litigation, indemnification, shareholder meeting and other extraordinary expenses, exclusive of any custody and transfer agent fee credit reductions) equal on an annualized basis to 0.144% of the Fund's average daily net assets through at least April 29, 2012, and prior to such date the Investment Adviser may not terminate the arrangement without the approval of the Board of Trustees.&lt;/i&gt;</link:footnote>
    <link:footnote xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:label="Footnote-11" xml:lang="en-US">&lt;i&gt;The Investment Adviser has agreed to reduce or limit "Other Expenses" (excluding management fees, transfer agency fees and expenses, taxes, interest, brokerage fees and litigation, indemnification, shareholder meeting and other extraordinary expenses, exclusive of any custody and transfer agent fee credit reductions) equal on an annualized basis to 0.004% of the Fund's average daily net assets through at least April 29, 2012, and prior to such date the Investment Adviser may not terminate the arrangement without the approval of the Board of Trustees.&lt;/i&gt;</link:footnote>
    <link:footnote xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:label="Footnote-07" xml:lang="en-US">&lt;i&gt;The Investment Adviser has agreed to (i) waive a portion of its management fee in order to achieve an effective net rate of 0.73% as an annual percentage rate of average daily net assets of the Fund, and (ii) reduce or limit "Other Expenses" (excluding management fees, transfer agency fees and expenses, taxes, interest, brokerage fees and litigation, indemnification, shareholder meeting and other extraordinary expenses, exclusive of any custody and transfer agent fee credit reductions) to 0.094% of the Fund's average daily net assets. Each arrangement will remain in effect through at least April 29, 2012, and prior to such date the Investment Advisor may not terminate the arrangements without the approval of the Board of Trustees.&lt;/i&gt;</link:footnote>
    <link:footnote xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:label="Footnote-05" xml:lang="en-US">&lt;i&gt;The Investment Adviser has agreed to reduce or limit "Other Expenses" (excluding management fees, distribution and service fees, transfer agency fees and expenses, taxes, interest, brokerage fees and litigation, indemnification, shareholder meeting and other extraordinary expenses, exclusive of any custody and transfer agent fee credit reductions) equal on an annualized basis to 0.004% of the Fund's average daily net assets through at least April 29, 2012, and prior to such date the Investment Advisor may not terminate the arrangement without the approval of the Board of Trustees.&lt;/i&gt;</link:footnote>
    <link:footnote xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:label="Footnote-13" xml:lang="en-US">&lt;i&gt;The Investment Adviser has agreed to (i) waive a portion of its management fee in order to achieve an effective net rate of 0.73% as an annual percentage rate of average daily net assets of the Fund, and (ii) reduce or limit "Other Expenses" (excluding management fees, distribution and service fees, transfer agency fees and expenses, taxes, interest, brokerage fees and litigation, indemnification, shareholder meeting and other extraordinary expenses, exclusive of any custody and transfer agent fee credit reductions) to 0.094% of the Fund's average daily net assets. Each arrangement will remain in effect through at least April 29, 2012, and prior to such date the Investment Adviser may not terminate the arrangements without the approval of the Board of Trustees.&lt;/i&gt;</link:footnote>
    <link:footnote xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:label="Footnote-04" xml:lang="en-US">&lt;i&gt;The Fund's "Total Annual Fund Operating Expenses After Fee Waiver and Expense Limitation" have been restated to reflect the Fund's current expense limitation.&lt;/i&gt;</link:footnote>
    <link:footnote xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:label="Footnote-12" xml:lang="en-US">&lt;i&gt;The Fund's "Total Annual Fund Operating Expenses After Fee Waiver and Expense Limitation" have been restated to reflect the Fund's current fee waiver.&lt;/i&gt;</link:footnote>
  </link:footnoteLink>
</xbrl>
