XML 28 R15.htm IDEA: XBRL DOCUMENT v2.4.0.6
Label Element Value
Risk Return [Abstract] rr_RiskReturnAbstract  
ProspectusDate rr_ProspectusDate Jan. 31, 2012
SIT EMERGING MARKETS EQUITY FUND (First Prospectus Summary) | SIT EMERGING MARKETS EQUITY FUND
  
Risk Return [Abstract] rr_RiskReturnAbstract  
Risk/Return, Heading rr_RiskReturnHeading EMERGING MARKETS EQUITY FUND
Investment Objective, Heading rr_ObjectiveHeading Investment Goal
investment Objective, Primary rr_ObjectivePrimaryTextBlock 
Capital appreciation.
Expense, Heading rr_ExpenseHeading Fees and Expenses
Expense, Narrative rr_ExpenseNarrativeTextBlock 
The following tables describe the fees and expenses that you may pay if you buy
and hold Fund shares.
Shareholder Fees, Caption rr_ShareholderFeesCaption SHAREHOLDER FEES (fees paid directly from your investment)
Operating Expenses, Caption rr_OperatingExpensesCaption ANNUAL FUND OPERATING EXPENSES (expenses that you pay each year as a percentage of the value of your investment)
Portfolio Turnover, Heading rr_PortfolioTurnoverHeading PORTFOLIO TURNOVER
Portfolio Turnover rr_PortfolioTurnoverTextBlock 
The Fund pays transaction costs, such as commissions, when it buys and sells
securities (or "turns over" its portfolio). A higher portfolio turnover rate may
indicate higher transaction costs and may result in higher taxes when Fund
shares are held in a taxable account. These costs, which are not reflected in
annual Fund operating expenses or in the Example, affect the Fund's performance.
During the most recent fiscal year, the Fund's portfolio turnover rate was 98%
of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 98.00%
Expenses, Not Correlated to Ratio Due to Acquired Fund Fees rr_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees Because the Fund incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.
Expense Example, Heading rr_ExpenseExampleHeading EXAMPLE
Expense Example, Narrative rr_ExpenseExampleNarrativeTextBlock 
This Example is intended to help you compare the cost of investing in the Fund
with the cost of investing in other mutual funds. The Example assumes that you
invest $10,000 in the Fund for the time periods indicated and then redeem all of
your shares at the end of those periods. The Example also assumes that your
investment has a 5% return each year and that the Fund's operating expenses
remain the same.
Expense Example, By Year, Caption rr_ExpenseExampleByYearCaption Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Investment Strategy, Heading rr_StrategyHeading Principal Investment Strategies
Investment Strategy, Narrative rr_StrategyNarrativeTextBlock 
Under normal circumstances, the Emerging Markets Equity Fund will invest at
least 80% of its net assets (plus the amount of any borrowings for investment
purposes) in equity securities of emerging market issuers. Equity securities may
include common stocks, preferred stock and warrants. The Fund normally maintains
investments in at least six emerging market countries and does not invest more
than 35% of its total assets in any one emerging market country. The Fund uses a
multi-manager approach, relying upon a number of Sub-Advisers with differing
investment philosophies to manage portions of the Fund's portfolio under the
general supervision of SIMC.

The Fund may purchase shares of ETFs to gain exposure to a particular portion of
the market while awaiting an opportunity to purchase securities directly.
Risk, Heading rr_RiskHeading Principal Risks
Risk, Narrative rr_RiskNarrativeTextBlock 
Currency Risk -- As a result of the Fund's investments in securities denominated
in, and/or receiving revenues in, foreign currencies, the Fund will be subject
to currency risk. Currency risk is the risk that those currencies will decline
in value relative to the U.S. dollar or, in the case of hedging positions, that
the U.S. dollar will decline in value relative to the currency hedged. In either
event, the dollar value of an investment in the Fund would be adversely
affected.

Equity Market Risk -- The risk that stock prices will fall over short or extended
periods of time.

Exchange-Traded Funds (ETFs) Risk -- The risks of owning shares of an ETF
generally reflect the risks of owning the underlying securities the ETF is
designed to track, although lack of liquidity in an ETF could result in its
value being more volatile than the underlying portfolio securities.

Foreign Investment/Emerging Markets Risk -- The risk that non-U.S. securities may
be subject to additional risks due to, among other things, political, social and
economic developments abroad, currency movements and different legal, regulatory
and tax environments. These additional risks may be heightened with respect to
emerging market countries since political turmoil and rapid changes in economic
conditions are more likely to occur in these countries.

Investment Style Risk -- The risk that emerging market equity securities may
underperform other segments of the equity markets or the equity markets as a
whole.

Portfolio Turnover Risk -- Due to its investment strategy, the Fund may buy and
sell securities frequently. This may result in higher transaction costs and
additional capital gains tax liabilities.

Small and Medium Capitalization Risk -- The small and medium capitalization
companies in which the Fund invests may be more vulnerable to adverse business
or economic events than larger, more established companies. In particular, small
and medium capitalization companies may have limited product lines, markets and
financial resources and may depend upon a relatively small management
group. Therefore, small and medium capitalization stocks may be more volatile
than those of larger companies. Small and medium capitalization stocks may be
traded over the counter or listed on an exchange.

Loss of money is a risk of investing in the Fund.
Risk, Lose Money rr_RiskLoseMoney Loss of money is a risk of investing in the Fund.
Bar Chart and Performance Table, Heading rr_BarChartAndPerformanceTableHeading Performance Information
Performance, Narrative rr_PerformanceNarrativeTextBlock 
The bar chart and the performance table below provide some indication of the
risks of investing in the Fund by showing changes in the Fund's performance from
year to year for the past ten calendar years and by showing how the Fund's
average annual returns for 1, 5 and 10 years, and since the Fund's inception,
compared with those of a broad measure of market performance. The Fund's past
performance (before and after taxes) is not necessarily an indication of how the
Fund will perform in the future. For current performance information, please
call 1-800-DIAL-SEI.
Performance, Information Illustrates Variability of Returns rr_PerformanceInformationIllustratesVariabilityOfReturns The bar chart and the performance table below provide some indication of the risks of investing in the Fund by showing changes in the Fund's performance from year to year for the past ten calendar years and by showing how the Fund's average annual returns for 1, 5 and 10 years, and since the Fund's inception, compared with those of a broad measure of market performance.
Performance, Availability Phone Number rr_PerformanceAvailabilityPhone 1-800-DIAL-SEI
Performance, Past Does Not Indicate Future rr_PerformancePastDoesNotIndicateFuture The Fund's past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.
Bar Chart, Closing rr_BarChartClosingTextBlock 
Best Quarter:   34.40% (06/30/09)

Worst Quarter: -27.79% (12/31/08)
Performance Table, Heading rr_PerformanceTableHeading Average Annual Total Returns (for the periods ended December 31, 2011)
Index No Deduction for Fees, Expenses, Taxes rr_IndexNoDeductionForFeesExpensesTaxes reflects no deduction for fees, expenses or taxes
Performance Table, Uses Highest Federal Rate rr_PerformanceTableUsesHighestFederalRate After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes.
Performance Table, Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred Your actual after-tax returns will depend on your tax situation and may differ from those shown. After-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.
Performance Table, Narrative rr_PerformanceTableNarrativeTextBlock 
After-tax returns are calculated using the historical highest individual federal
marginal income tax rates and do not reflect the impact of state and local
taxes. Your actual after-tax returns will depend on your tax situation and may
differ from those shown. After-tax returns shown are not relevant to investors
who hold their Fund shares through tax-deferred arrangements, such as 401(k)
plans or individual retirement accounts.
SIT EMERGING MARKETS EQUITY FUND (First Prospectus Summary) | SIT EMERGING MARKETS EQUITY FUND | MSCI Emerging Markets Index Return
  
Risk Return [Abstract] rr_RiskReturnAbstract  
Average Annual Returns, Label rr_AverageAnnualReturnLabel MSCI Emerging Markets Index Return (reflects no deduction for fees, expenses or taxes)
Average Annual Returns, 1 Year rr_AverageAnnualReturnYear01 (18.17%)
Average Annual Returns, 5 Years rr_AverageAnnualReturnYear05 2.70%
Average Annual Returns, 10 Years rr_AverageAnnualReturnYear10 14.20%
Average Annual Returns, Since Inception rr_AverageAnnualReturnSinceInception 7.03%
Average Annual Returns, Inception Date rr_AverageAnnualReturnInceptionDate Jan. 17, 1995 [1]
SIT EMERGING MARKETS EQUITY FUND (First Prospectus Summary) | SIT EMERGING MARKETS EQUITY FUND | CLASS A
  
Risk Return [Abstract] rr_RiskReturnAbstract  
Redemption Fee (applies to a redemption, or series of redemptions, from a single identifiable source that, in the aggregate, exceeds $25 million within any thirty (30) day period) rr_RedemptionFeeOverRedemption (1.25%)
Management Fees rr_ManagementFeesOverAssets 1.05%
Distribution (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses rr_OtherExpensesOverAssets 1.04%
Acquired Fund Fees and Expenses (AFFE) rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 2.10% [2]
Expense Example, With Redemption, 1 Year rr_ExpenseExampleYear01 213
Expense Example, With Redemption, 3 Years rr_ExpenseExampleYear03 658
Expense Example, With Redemption, 5 Years rr_ExpenseExampleYear05 1,129
Expense Example, With Redemption, 10 Years rr_ExpenseExampleYear10 2,431
Annual Return 2002 rr_AnnualReturn2002 (7.99%)
Annual Return 2003 rr_AnnualReturn2003 49.05%
Annual Return 2004 rr_AnnualReturn2004 25.17%
Annual Return 2005 rr_AnnualReturn2005 30.68%
Annual Return 2006 rr_AnnualReturn2006 27.03%
Annual Return 2007 rr_AnnualReturn2007 30.04%
Annual Return 2008 rr_AnnualReturn2008 (52.68%)
Annual Return 2009 rr_AnnualReturn2009 75.07%
Annual Return 2010 rr_AnnualReturn2010 17.70%
Annual Return 2011 rr_AnnualReturn2011 (23.32%)
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Best Quarter:
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Jun. 30, 2009
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 34.40%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Worst Quarter:
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Dec. 31, 2008
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (27.79%)
Average Annual Returns, Label rr_AverageAnnualReturnLabel Class A Shares Return Before Taxes
Average Annual Returns, 1 Year rr_AverageAnnualReturnYear01 (23.32%)
Average Annual Returns, 5 Years rr_AverageAnnualReturnYear05 (0.56%)
Average Annual Returns, 10 Years rr_AverageAnnualReturnYear10 10.73%
Average Annual Returns, Since Inception rr_AverageAnnualReturnSinceInception 4.61%
Average Annual Returns, Inception Date rr_AverageAnnualReturnInceptionDate Jan. 17, 1995
SIT EMERGING MARKETS EQUITY FUND (First Prospectus Summary) | SIT EMERGING MARKETS EQUITY FUND | CLASS A | After Taxes on Distributions
  
Risk Return [Abstract] rr_RiskReturnAbstract  
Average Annual Returns, Label rr_AverageAnnualReturnLabel Class A Shares Return After Taxes on Distributions
Average Annual Returns, 1 Year rr_AverageAnnualReturnYear01 (23.16%)
Average Annual Returns, 5 Years rr_AverageAnnualReturnYear05 (2.00%)
Average Annual Returns, 10 Years rr_AverageAnnualReturnYear10 9.57%
Average Annual Returns, Since Inception rr_AverageAnnualReturnSinceInception 3.96%
Average Annual Returns, Inception Date rr_AverageAnnualReturnInceptionDate Jan. 17, 1995
SIT EMERGING MARKETS EQUITY FUND (First Prospectus Summary) | SIT EMERGING MARKETS EQUITY FUND | CLASS A | After Taxes on Distributions and Sales
  
Risk Return [Abstract] rr_RiskReturnAbstract  
Average Annual Returns, Label rr_AverageAnnualReturnLabel Class A Shares Return After Taxes on Distributions and Sale of Fund Shares
Average Annual Returns, 1 Year rr_AverageAnnualReturnYear01 (14.93%)
Average Annual Returns, 5 Years rr_AverageAnnualReturnYear05 (0.53%)
Average Annual Returns, 10 Years rr_AverageAnnualReturnYear10 9.60%
Average Annual Returns, Since Inception rr_AverageAnnualReturnSinceInception 4.09%
Average Annual Returns, Inception Date rr_AverageAnnualReturnInceptionDate Jan. 17, 1995
[1] Index returns are shown from January 31, 1995.
[2] Because the Fund incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.