Management of the Fund Management of the Subsidiary Other Expenses of the Fund Other Expenses of the Subsidiary Dividends on Shorts Remainder of Other Expenses Total Other Expenses of the Fund LARGE CAP FUND - Class F Prospectus LARGE CAP VALUE FUND - Class F Prospectus LARGE CAP GROWTH FUND - Class F Prospectus LARGE CAP INDEX FUND - Class F Prospectus TAX-MANAGED LARGE CAP FUND - Class F Prospectus S&P 500 INDEX FUND - Class F Prospectus SMALL CAP FUND - Class F Prospectus SMALL CAP VALUE FUND - Class F Prospectus SMALL CAP GROWTH FUND - Class F Prospectus TAX-MANAGED SMALL/MID CAP FUND - Class F Prospectus MID-CAP FUND - Class F Prospectus U.S. MANAGED VOLATILITY FUND - Class F Prospectus GLOBAL MANAGED VOLATILITY FUND - Class F Prospectus Tax-Managed Managed Volatility Fund - Class F Prospectus Tax-Managed International Managed Volatility Fund - Class F Prospectus REAL ESTATE FUND - Class F Prospectus CORE FIXED INCOME FUND - Class F Prospectus HIGH YIELD BOND FUND - Class F Prospectus CONSERVATIVE INCOME FUND - Class F Prospectus TAX-FREE CONSERVATIVE INCOME FUND - Class F Prospectus REAL RETURN FUND - Class F Prospectus DYNAMIC ASSET ALLOCATION FUND - Class F Prospectus MULTI-STRATEGY ALTERNATIVE FUND - Class F Prospectus LARGE CAP FUND - Class I Prospectus LARGE CAP VALUE FUND - Class I Prospectus LARGE CAP GROWTH FUND - Class I Prospectus S&P 500 Index Fund - Class I Prospectus SMALL CAP FUND - Class I Prospectus SMALL CAP VALUE FUND - Class I Prospectus SMALL CAP GROWTH FUND - Class I Prospectus MID-CAP FUND - Class I Prospectus U.S. MANAGED VOLATILITY FUND - Class I Prospectus GLOBAL MANAGED VOLATILITY FUND - Class I Prospectus REAL ESTATE FUND - Class I Prospectus CORE FIXED INCOME FUND - Class I Prospectus HIGH YIELD BOND FUND - Class I Prospectus REAL RETURN FUND - Class I Prospectus LARGE CAP FUND - Class Y Prospectus LARGE CAP VALUE FUND - Class Y Prospectus LARGE CAP GROWTH FUND - Class Y Prospectus TAX-MANAGED LARGE CAP FUND - Class Y Prospectus SMALL CAP FUND - Class Y Prospectus SMALL CAP VALUE FUND - Class Y Prospectus SMALL CAP GROWTH FUND - Class Y Prospectus TAX-MANAGED SMALL/MID CAP FUND - Class Y Prospectus MID-CAP FUND - Class Y Prospectus U.S. MANAGED VOLATILITY FUND - Class Y Prospectus GLOBAL MANAGED VOLATILITY FUND - Class Y Prospectus TAX-MANAGED MANAGED VOLATILITY FUND - Class Y Prospectus TAX-MANAGED INTERNATIONAL MANAGED VOLATILITY FUND - Class Y Prospectus REAL ESTATE FUND - Class Y Prospectus CORE FIXED INCOME FUND - Class Y Prospectus HIGH YIELD BOND FUND - Class Y Prospectus CONSERVATIVE INCOME FUND - Class Y Prospectus TAX-FREE CONSERVATIVE INCOME FUND - Class Y Prospectus REAL RETURN FUND - Class Y Prospectus DYNAMIC ASSET ALLOCATION FUND - Class Y Prospectus MULTI-STRATEGY ALTERNATIVE FUND - Class Y Prospectus MULTI-ASSET ACCUMULATION FUND - Class F Prospectus MULTI-ASSET INCOME FUND - Class F Prospectus MULTI-ASSET INFLATION MANAGED FUND - Class F Prospectus MULTI-ASSET CAPITAL STABILITY FUND - Class F Prospectus MULTI-ASSET ACCUMULATION FUND - Class Y Prospectus MULTI-ASSET INCOME FUND - Class Y Prospectus MULTI-ASSET INFLATION MANAGED FUND - Class Y Prospectus MULTI-ASSET CAPITAL STABILITY FUND - Class Y Prospectus SIMT Large Cap Fund SIMT LARGE CAP VALUE FUND SIMT LARGE CAP GROWTH FUND SIMT Large Cap Index Fund SIMT TAX-MANAGED LARGE CAP FUND SIMT S&P 500 Index Fund SIMT Small Cap Fund SIMT SMALL CAP VALUE FUND SIMT SMALL CAP GROWTH FUND SIMT TAX-MANAGED SMALL/MID CAP FUND SIMT MID CAP FUND SIMT US MANAGED VOLATILITY FUND SIMT GLOBAL MANAGED VOLATILITY FUND SIMT Tax-Managed Managed Volatility Fund SIMT Tax-Managed International Managed Volatility Fund SIMT REAL ESTATE FUND SIMT CORE FIXED INCOME FUND SIMT HIGH YIELD BOND FUND SIMT Conservative Income Fund SIMT Tax-Free Conservative Income Fund SIMT Real Return Fund SIMT Dynamic Asset Allocation Fund SIMT Multi-Strategy Alternative Fund SIMT MULTI-ASSET ACCUMULATION FUND SIMT MULTI-ASSET INCOME FUND SIMT MULTI-ASSET INFLATION MANAGED FUND SIMT MULTI-ASSET CAPITAL STABILITY FUND Class F CLASS F CLASS F Class F CLASS F Class F Class F CLASS F CLASS F CLASS F CLASS F CLASS F CLASS F Class F Class F CLASS F CLASS F CLASS F Class F Class F Class F Class F Class F SIMT Large Cap Fund - Class I CLASS I CLASS I Class I SIMT Small Cap Fund - Class I CLASS I CLASS I CLASS I Class I Class I Class I CLASS I Class I Class I Class Y Class Y Class Y Class Y Class Y Class Y Class Y Class Y Class Y Class Y Class Y Class Y Class Y Class Y Class Y Class Y Class Y Class Y Class Y Class Y Class Y Class F Class F Class F Class F Class Y Class Y Class Y Class Y Equity Market Risk [Member] Fixed Income Market Risk [Member] Arbitrage Strategies Risk [Member] Directional or Tactical Strategies Risk [Member] Event-Driven Strategies Risk [Member] Market Risk [Member] Inflation Protected Securities Risk [Member] Commodity Investments and Derivatives Risk [Member] Commodity-Linked Securities Risk [Member] Municipal Securities Risk [Member] Master Limited Partnership (MLP) Risk [Member] Real Estate Industry Risk [Member] Small Capitalization Risk [Member] Large Capitalization Risk [Member] Investment Style Risk [Member] Below Investment Grade Securities (Junk Bonds) Risk [Member] Corporate Fixed Income Securities Risk [Member] Below Investment Grade Securities Risk (Junk Bonds) [Member] U.S. Government Securities Risk [Member] Call Risk [Member] Convertible and Preferred Securities Risk [Member] Collateralized Debt Obligations and Collateralized Loan Obligations Risk [Member] Foreign Investment/Emerging Markets Risk [Member] Foreign Sovereign Debt Securities Risk [Member] Collateralized Debt Obligations Risk [Member] Asset-Backed Securities Risk [Member] Mortgage-Backed Securities Risk [Member] Repurchase Agreements and Reverse Repurchase Agreements Risk [Member] Mortgage Dollar Rolls Risk [Member] Bank Loans Risk [Member] Distressed Securities Risk [Member] Taxation Risk [Member] Tracking Error Risk [Member] Depositary Receipts Risk [Member] Tax Risk [Member] Investment Company Risk [Member] Investment Company and Exchange-Traded Funds (ETFs) Risk [Member] Investment Company and Exchange-Traded Funds Risk [Member] Investment in the Subsidiary Risk [Member] Real Estate Investment Trusts Risk [Member] Exchange-Traded Funds Risk [Member] Exchange-Traded Notes Risk [Member] Warrants and Rights Risk [Member] Derivatives Risk [Member] Long/Short Risk [Member] Preferred Stock Risk [Member] Non-Diversified Risk [Member] Warrants Risk [Member] Liquidity Risk [Member] Extension Risk [Member] Opportunity Risk [Member] Short Sales Risk [Member] Private Placements Risk [Member] Portfolio Turnover Risk [Member] Leverage Risk [Member] Concentration Risk [Member] Financial Services Industry Risk [Member] Commercial Paper Risk [Member] Repurchase Agreement Risk [Member] Duration Risk [Member] Income Risk [Member] Small and Medium Capitalization Risk [Member] Exchange-Traded Notes (ETNs) Risk [Member] Foreign Investment Risk [Member] Currency Risk [Member] Active Management Risk [Member] Quantitative Investing Risk [Member] Medium Capitalization Risk [Member] Interest Rate Risk [Member] Prepayment Risk [Member] Credit Risk [Member] S&P 500 Index Return (reflects no deduction for fees, expenses or taxes) Russell 1000 Index Return (reflects no deduction for fees, expenses or taxes) Russell 1000 Value Index Return (reflects no deduction for fees, expenses or taxes) Russell 1000 Growth Index Return (reflects no deduction for fees, expenses or taxes) Russell 2000 Index Return (reflects no deduction for fees, expenses or taxes) Russell 2000 Value Index Return (reflects no deduction for fees, expenses or taxes) Russell 2000 Growth Index Return (reflects no deduction for fees, expenses or taxes) Russell 2500 Index Return (reflects no deduction for fees, expenses or taxes) Russell Midcap Index Return (reflects no deduction for fees, expenses or taxes) MSCI USA Minimum Volatility Index (Net) (reflects no deduction for fees, expenses or taxes) Russell 3000 Index Return (reflects no deduction for fees, expenses or taxes) MSCI All Country World ex-USA Index (Net) (reflects no deduction for fees or expenses) MSCI World Minimum Volatility Index (Net) (reflects no deduction for fees or expenses) MSCI World Index Return (Net) (reflects no deduction for fees or expenses) MSCI EAFE Minimum Volatility Index (Net) (reflects no deduction for fees or expenses) MSCI EAFE Index Return (Net) (reflects no deduction for fees or expenses) Wilshire U.S. Real Estate Securities Index Return (reflects no deduction for fees, expenses or taxes) Bloomberg U.S. Aggregate Bond Index Return (reflects no deduction for fees, expenses or taxes) ICE BofA U.S. High Yield Constrained Index Return (reflects no deduction for fees, expenses or taxes) ICE BofA U.S. 3-Month Treasury Bill Index (reflects no deduction for fees, expenses or taxes) Bloomberg 1-5 Year U.S. TIPS Index Return (reflects no deduction for fees, expenses or taxes) MSCI All Country World ex-USA Index (Net) (reflects no deductions for fees, expenses or taxes, (except foreign withholding taxes)) MSCI World Index (net) (Hedged) (USD) (reflects no deductions for fees, expenses or taxes (except foreign withholding taxes)) The Fund's Blended Benchmark Return (reflects no deduction for fees, expenses or taxes) Bloomberg U.S. Aggregate Bond Index (reflects no deduction for fees, expenses or taxes) MSCI World Index (net) (Hedged) (USD) (reflects no deductions for fees, expenses or taxes, (except foreign withholding taxes)) C000167940 Member doc_ LARGE_ CAP_ FUND_ Class_ F_ Prospectus Member doc_ TAXMANAGED_ SMALLMID_ CAP_ FUND_ Class_ Y_ Prospectus Member C000018193 Member index_ MSCI_ World_ Minimum_ Volatility_ Index_ Net_reflects_no_deduction_for_fees_or_expenses Member Mortgage Dollar Rolls Risk Member C000018186 Member Opportunity Risk Member doc_ DYNAMIC_ ASSET_ ALLOCATION_ FUND_ Class_ Y_ Prospectus Member 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Prospectus Member Warrants And Rights Risk Member index_ MSCI_ All_ Country_ World_ex USA_ Index_ Net_reflects_no_deductions_for_fees_expenses_or_taxes_except_foreign_withholding_taxes Member doc_ DYNAMIC_ ASSET_ ALLOCATION_ FUND_ Class_ F_ Prospectus Member doc_ SMALL_ CAP_ FUND_ Class_ I_ Prospectus Member doc_ MULTIASSET_ ACCUMULATION_ FUND_ Class_ Y_ Prospectus Member Investment Style Risk Member doc_ GLOBAL_ MANAGED_ VOLATILITY_ FUND_ Class_ Y_ Prospectus Member S000035779 Member doc_ REAL_ ESTATE_ FUND_ Class_ Y_ Prospectus Member Call Risk Member Foreign Investment Risk Member S000026001 Member Financial Services Industry Risk Member doc_ MULTIASSET_ INCOME_ FUND_ Class_ F_ Prospectus Member S000006674 Member Non Diversified Risk Member doc_ REAL_ RETURN_ FUND_ Class_ I_ Prospectus Member C000147387 Member C000147402 Member doc_ MIDCAP_ FUND_ Class_ F_ Prospectus Member Private Placements Risk Member index_ Bloomberg_ US_ Aggregate_ Bond_ Index_ Return_reflects_no_deduction_for_fees_expenses_or_taxes Member S000053395 Member S000006671 Member doc_ CORE_ FIXED_ INCOME_ FUND_ Class_ F_ Prospectus Member C000030067 Member doc_ LARGE_ CAP_ GROWTH_ FUND_ Class_ I_ Prospectus Member C000085250 Member Active Management Risk Member C000147388 Member Equity Market Risk Member S000026000 Member Exchange Traded Funds Risk Member doc_ CONSERVATIVE_ INCOME_ FUND_ Class_ F_ Prospectus Member S000050286 Member C000147400 Member Extension Risk Member doc_ LARGE_ CAP_ GROWTH_ FUND_ Class_ F_ Prospectus Member S000006672 Member Leverage Risk Member doc_ SP_500_ Index_ Fund_ Class_ I_ Prospectus Member S000053394 Member C000036887 Member Fixed Income Market Risk Member S000006667 Member index_ Russell_1000_ Growth_ Index_ Return_reflects_no_deduction_for_fees_expenses_or_taxes Member Real Estate Industry Risk Member index_ MSCI_ All_ Country_ World_ex USA_ Index_ Net_reflects_no_deduction_for_fees_or_expenses Member doc_ MULTIASSET_ INFLATION_ 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