485BPOS

Registration No. 811-00487

Registration No. 2-12187

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form N-1A

REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933   o

Post-Effective Amendment No.	117	x
and/or
REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940		o
Amendment No.	117	x

(Check appropriate box or boxes)

SECURITY LARGE CAP VALUE FUND

(Formerly Security Growth and Income Fund)

(Exact Name of Registrant as Specified in Charter)

ONE SECURITY BENEFIT PLACE, TOPEKA, KANSAS 66636-0001

(Address of Principal Executive Offices/Zip Code)

Registrant’s Telephone Number, including area code:

(785) 438-3000

Copies To:
Donald C. Cacciapaglia, President Security Large Cap Value Fund One Security Benefit Place Topeka, KS 66636-0001 (Name and address of Agent for Service)	Amy J. Lee, Secretary Security Large Cap Value Fund One Security Benefit Place Topeka, KS 66636-0001

It is proposed that this filing will become effective (check appropriate box):

  x immediately upon filing pursuant to paragraph (b)

  o on __________ pursuant to paragraph (b)

  o 60 days after filing pursuant to paragraph (a)(1)

  o on __________ pursuant to paragraph (a)(1)

  o 75 days after filing pursuant to paragraph (a)(2)

  o on __________ pursuant to paragraph (a)(2) of rule 485

If appropriate, check the following box:

  o this post-effective amendment designates a new effective date for a previously filed post-effective amendment

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933 (“1933 Act”), and the Investment Company Act of 1940, the Registrant has duly caused this Post-Effective Amendment No. 117 to the Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Topeka and State of Kansas on the 19th day of February 2013.

	SECURITY LARGE CAP VALUE FUND (Registrant)
By:	DONALD C. CACCIAPAGLIA
	Donald C. Cacciapaglia, President

Pursuant to the requirements of the 1933 Act, this Registration Statement has been signed below by the following persons in the capacities indicated and on the 19th day of February 2013.

Jerry B. Farley Director Donald A. Chubb, Jr. Director Penny A. Lumpkin Director Harry W. Craig, Jr. Director Maynard Oliverius Director		SECURITY LARGE CAP VALUE FUND
	By:	AMY J. LEE
		Amy J. Lee, Secretary and Attorney-In-Fact for the Directors Whose Names Appear Opposite
	By:	NIKOLAOS BONOS
		Nikolaos Bonos, Treasurer (principal financial officer and principal accounting officer)
	By:	DONALD C. CACCIAPAGLIA
		Donald C. Cacciapaglia, President and Director

EXHIBIT LIST

Exhibit Number	Exhibit:
EX-101.INS	XBRL Instance Document
EX-101.SCH	XBRL Taxonomy Extension Schema Document
EX-101.CAL	XBRL Taxonomy Extension Calculation Linkbase
EX-101.DEF	XBRL Taxonomy Extension Definition Linkbase
EX-101.LAB	XBRL Taxonomy Extension Label Linkbase
EX-101.PRE	XBRL Taxonomy Extension Presentation Linkbase

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Security Large Cap Value Fund Class A,B And C | Large Cap Value Fund

Large Cap Value Fund

INVESTMENT OBJECTIVE

The Large Cap Value Fund seeks long-term growth of capital.

FEES AND EXPENSES OF THE FUND

This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund. You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $100,000 in the Family of Funds, as defined on page 39 of the Fund’s prospectus. More information about these and other discounts is available from your financial professional and in the “Buying Shares – Class A Shares” section on page 37 of the Fund’s prospectus and the “How to Purchase Shares” section on page 36 of the Fund’s statement of additional information.

SHAREHOLDER FEES (fees paid directly from your investment)

Shareholder Fees Security Large Cap Value Fund Class A,B And C Large Cap Value Fund	Class A	Class B		Class C
Maximum Sales Charge (Load) Imposed on Purchases	4.75%	none	[1]	none
Maximum Deferred Sales Charge (Load)	none	5.00%		1.00%

ANNUAL FUND OPERATING EXPENSES (expenses that you pay each year as a percentage of the value of your investment)

Annual Fund Operating Expenses Security Large Cap Value Fund Class A,B And C Large Cap Value Fund		Class A	Class B	Class C
Management Fees		0.65%	0.65%	0.65%
Distribution and Service (12b-1) Fees		0.25%	1.00%	1.00%
Tax Expenses		0.03%	0.03%	0.03%
Remaining Other Expenses		0.72%	1.25%	0.77%
Other Expenses		0.75%	1.28%	0.80%
Total Annual Fund Operating Expenses		1.65%	2.93%	2.45%
Fee Waiver (and/or expense reimbursement)	[1]	(0.47%)	(1.00%)	(0.52%)
Total Annual Fund Operating Expenses After Fee Waiver (and/or expense reimbursement)		1.18%	1.93%	1.93%

EXAMPLE

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.

The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then 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. Although the actual costs may be higher or lower, based on these assumptions your costs would be:

Expense Example Security Large Cap Value Fund Class A,B And C Large Cap Value Fund (USD $)	1 Year	3 Years	5 Years	10 Years
Class A	590	927	1,287	2,299
Class B	696	1,113	1,655	2,875
Class C	296	714	1,259	2,747

Expense Example, No Redemption Security Large Cap Value Fund Class A,B And C Large Cap Value Fund (USD $)	1 Year	3 Years	5 Years	10 Years
Class A	590	927	1,287	2,299
Class B	196	813	1,455	2,875
Class C	196	714	1,259	2,747

The above Examples reflect applicable contractual fee waiver/expense reimbursement arrangements for the duration of the arrangements only.

PORTFOLIO TURNOVER

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs 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 16% of the average value of its portfolio.

PRINCIPAL INVESTMENT STRATEGIES

The Fund pursues its objective by investing, under normal market conditions, at least 80% of its assets (net assets, plus the amount of any borrowing for investment purposes) in equity securities, which include common stocks, rights, options, warrants, convertible debt securities of both U.S. and U.S. dollar-denominated foreign issuers, and American Depositary Receipts (“ADRs”), of companies that, when purchased, have market capitalizations that are usually within the range of companies in the Russell 1000 Value Index. Although a universal definition of large market capitalization companies does not exist, the Fund generally defines large market capitalization companies as those whose market capitalization is similar to the market capitalization of companies in the Russell 1000 Value Index, which is an unmanaged index measuring the performance of the large cap value segment of the U.S. equity universe and which includes companies with lower price-to-book ratios and lower expected growth values.

In choosing securities, Security Investors, LLC, also known as Guggenheim Investments (the “Investment Manager”), primarily invests in value-oriented companies. Value-oriented companies are companies that appear to be undervalued relative to assets, earnings, growth potential or cash flows. The Investment Manager uses a blend of quantitative analysis and fundamental research to identify securities that appear favorably priced and that may be able to sustain or improve their pre-tax ROIC (Return on Invested Capital) over time. The Fund may, consistent with its status as a non-diversified mutual fund, focus its investments in a limited number of issuers.

The Fund may invest a portion of its assets in futures contracts, options on futures contracts, and options on securities. These instruments are used to hedge the Fund’s portfolio, to maintain exposure to the equity markets, or to increase returns. The Fund may invest in a variety of investment vehicles, including those that seek to track the composition and performance of a specific index, such as exchange traded funds (“ETFs”) and other mutual funds. The Fund may use these investments as a way of managing its cash position or to gain exposure to the equity markets or a particular sector of the equity markets, while maintaining liquidity.

The Fund typically sells a security when its issuer is no longer considered a value company, shows deteriorating fundamentals or falls short of the Investment Manager’s expectations, among other reasons.

Under adverse or unstable market conditions, the Fund could invest some or all of its assets in cash, fixed-income securities, government bonds, money market securities, or repurchase agreements. Although the Fund would do this only in seeking to avoid losses, the Fund may be unable to pursue its investment objective during that time, and it could reduce the benefit from any upswing in the market.

PRINCIPAL RISKS

An investment in the Fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. The value of an investment in the Fund will fluctuate and is subject to investment risks, which means investors could lose money. The principal risks of investing in the Fund are listed below.

Derivatives Risk – Derivatives may pose risks in addition to those associated with investing directly in securities or other investments, including possible illiquidity of the derivative, limited ability to enter into or unwind a position, imperfect correlations with underlying investments or the Fund’s other portfolio holdings, leverage risk, lack of availability and the risk that the counterparty may default on its obligations. If the Investment Manager is incorrect about its expectations of market conditions, the use of derivatives could result in a loss, which in some cases may be unlimited.

Equity Securities Risk – Equity securities include common stocks and other equity securities (and securities convertible into stocks), and the prices of equity securities fluctuate in value more than other investments. They reflect changes in the issuing company’s financial condition and changes in the overall market. Common stocks generally represent the riskiest investment in a company. The Fund may lose a substantial part, or even all, of its investment in a company’s stock. Growth stocks may be more volatile than value stocks.

Foreign Securities Risk – Foreign securities, including investments in foreign securities through ADRs, carry additional risks when compared to U.S. securities, including currency fluctuations, adverse political and economic developments, unreliable or untimely information, less liquidity, limited legal recourse and higher transactional costs.

Investment in Investment Vehicles Risk – Investing in other investment vehicles, including ETFs and other mutual funds, subjects the Fund to those risks affecting the investment vehicle, including the possibility that the value of the underlying securities held by the investment vehicle could decrease. Moreover, the Fund and its shareholders will incur its pro rata share of the underlying vehicles’ expenses.

Large-Capitalization Securities Risk – The Fund is subject to the risk that large-capitalization stocks may underperform other segments of the equity market or the equity market as a whole. Larger, more established companies may be unable to respond quickly to new competitive challenges such as changes in technology and may not be able to attain the high growth rate of smaller companies, especially during extended periods of economic expansion.

Leverage Risk – The Fund’s use of leverage, through borrowings or instruments such as derivatives, may cause the Fund to be more volatile than if it had not been leveraged.

Liquidity and Valuation Risk – In certain circumstances, it may be difficult for the Fund to purchase and sell particular investments within a reasonable time at a fair price, or the price at which it has been valued by the Investment Manager for purposes of the Fund’s net asset value, causing the Fund to be less liquid and unable to realize what the Investment Manager believes should be the price of the investment.

Management Risk – The Fund is actively managed, which means that investment decisions are made based on investment views. There is no guarantee that the investment views will be successful. Furthermore, active trading that can accompany active management, also called “high turnover,” may have a negative impact on performance. Active trading may result in higher brokerage costs or mark-up charges, which are ultimately passed on to shareholders of the Fund.

Market Risk – The market value of the securities held by the Fund may fluctuate resulting from factors affecting the individual company or other factors such as changing economic, political or financial market conditions.

Non-Diversification Risk – The Fund is considered non-diversified because it invests a large portion of its assets in a small number of issuers. As a result, the Fund is more susceptible to risks associated with those issuers than a more diversified portfolio, and its performance may be more volatile.

Regulatory and Legal Risk – U.S. and other regulators and governmental agencies may implement additional regulations and legislators may pass new laws that affect the investments held by the Fund, the strategies used by the Fund or the level of regulation or taxation applying to the Fund (such as regulations related to investments in derivatives). These may impact the investment strategies, performance, costs and operations of the Fund or taxation of shareholders.

Value Stocks Risk – Value stocks are subject to the risk that the intrinsic value of the stock may never be realized by the market or that the price goes down.

PERFORMANCE INFORMATION

The following chart and table provide some indication of the risks of investing in the Fund by showing changes in the Fund’s Class A share performance from year to year and by showing how the Fund’s average annual returns for one, five, and ten years have compared to those of a broad measure of market performance. As with all mutual funds, past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. Updated performance information is available on the Fund’s website at www.guggenheiminvestments.com or by calling  1-800-820-0888.

The bar chart does not reflect the impact of the sales charge applicable to Class A shares which, if reflected, would lower the returns shown.

Highest Quarter Return 2Q 2009 19.19% Lowest Quarter Return 4Q 2008 -23.63%

AVERAGE ANNUAL TOTAL RETURNS

(for the periods ended December 31, 2012)

After-tax returns shown in the table are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of any state or local taxes. Actual after-tax returns depend on an investor’s 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. After-tax returns are shown for Class A only. After-tax returns for Class B and C will vary.

Average Annual Total Returns Security Large Cap Value Fund Class A,B And C Large Cap Value Fund

Label

1 Year

5 Years

10 Years

Class A

Class A Return Before Taxes

9.87%

(1.35%)

6.13%

Class A After Taxes On Distributions

Class A Return After Taxes on Distributions

9.52%

(1.62%)

5.87%

Class A After Taxes On Distributions And Sales

Class A Return After Taxes on Distributions and Sale of Fund Shares

6.41%

(1.30%)

5.26%

Class B

Class B Return Before Taxes

10.68%

(0.43%)

6.42%

Class C

Class C Return Before Taxes

13.49%

(1.03%)

5.91%

Russell 1000 Value Index

Russell 1000 Value Index (reflects no deductions for fees, expenses or taxes)

17.51%

0.59%

7.38%

[1] Closed to new subscriptions

[1] The Investment Manager has contractually agreed through February 1, 2014 to waive fees and or reimburse expenses to the extent necessary to limit the ordinary operating expenses (including distribution (12b-1) fees, but exclusive of brokerage costs, dividends on securities sold short, acquired fund fees and expenses, interest, taxes, litigation, indemnification, and extraordinary expenses) ('Operating Expenses') of the Fund to the annual percentage of average daily net assets for each class of shares as follows: Class A - 1.15%, Class B - 1.90% and Class C - 1.90%. The Fund may have 'Total annual fund operating expenses after fee waiver' greater than the expense cap as a result of any acquired fund fees and expenses or other expenses that are excluded from the calculation. The Investment Manager is entitled to reimbursement by the Fund of fees waived during any of the previous 36 months beginning on the date of the expense limitation agreement. The agreement will expire when it reaches its termination or when the investment adviser ceases to serve as such (subject to recoupment rights).

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Security Large Cap Value Institutional Fund | Large Cap Value Fund

Large Cap Value Institutional Fund

INVESTMENT OBJECTIVE

The Large Cap Value Institutional Fund seeks long-term growth of capital.

FEES AND EXPENSES OF THE FUND

This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund.

SHAREHOLDER FEES (fees paid directly from your investment)

Shareholder Fees	Security Large Cap Value Institutional Fund Large Cap Value Fund Institutional Class
Maximum Sales Charge (Load) Imposed on Purchases	none
Maximum Deferred Sales Charge (Load)	none

ANNUAL FUND OPERATING EXPENSES (expenses that you pay each year as a percentage of the value of your investment)

Annual Fund Operating Expenses		Security Large Cap Value Institutional Fund Large Cap Value Fund Institutional Class
Management Fees		0.65%
Distribution and Service (12b-1) Fees		none
Tax Expenses		0.03%
Remaining Other Expenses		3.41%
Other Expenses		3.44%
Total Annual Fund Operating Expenses		4.09%
Fee Waiver (and/or expense reimbursement)	[1]	(3.06%)
Total Annual Fund Operating Expenses After Fee Waiver (and/or expense reimbursement)		1.03%

EXAMPLE

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.

The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then 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. Although the actual costs may be higher or lower, based on these assumptions your costs would be:

Expense Example (USD $)	1 Year	3 Years	5 Years	10 Years
Security Large Cap Value Institutional Fund Large Cap Value Fund Institutional Class	105	963	1,837	4,093

The above Examples reflect applicable contractual fee waiver/expense reimbursement arrangements for the duration of the arrangements only.

PORTFOLIO TURNOVER

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs 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 19% of the average value of its portfolio.

PRINCIPAL INVESTMENT STRATEGIES

The Fund pursues its objective by investing, under normal market conditions, at least 80% of its assets (net assets, plus the amount of any borrowing for investment purposes) in equity securities, which include common stocks, rights, options, warrants, convertible debt securities of both U.S. and U.S. dollar-denominated foreign issuers, and American Depositary Receipts (“ADRs”), of companies that, when purchased, have market capitalizations that are usually within the range of companies in the Russell 1000 Value Index. Although a universal definition of large market capitalization companies does not exist, the Fund generally defines large market capitalization companies as those whose market capitalization is similar to the market capitalization of companies in the Russell 1000 Value Index, which is an unmanaged index measuring the performance of the large cap value segment of the U.S. equity universe and which includes companies with lower price-to-book ratios and lower expected growth values.

In choosing securities, Security Investors, LLC, also known as Guggenheim Investments (the “Investment Manager”), primarily invests in value-oriented companies. Value-oriented companies are companies that appear to be undervalued relative to assets, earnings, growth potential or cash flows. The Investment Manager uses a blend of quantitative analysis and fundamental research to identify securities that appear favorably priced and that may be able to sustain or improve their pre-tax ROIC (Return on Invested Capital) over time. The Fund may, consistent with its status as a non-diversified mutual fund, focus its investments in a limited number of issuers.

The Fund may invest a portion of its assets in futures contracts, options on futures contracts, and options on securities. These instruments are used to hedge the Fund’s portfolio, to maintain exposure to the equity markets, or to increase returns.

The Fund may invest in a variety of investment vehicles, including those that seek to track the composition and performance of a specific index, such as exchange traded funds (“ETFs”) and other mutual funds. The Fund may use these investments as a way of managing its cash position or to gain exposure to the equity markets or a particular sector of the equity markets, while maintaining liquidity.

The Fund typically sells a security when its issuer is no longer considered a value company, shows deteriorating fundamentals or falls short of the Investment Manager’s expectations, among other reasons.

Under adverse or unstable market conditions, the Fund could invest some or all of its assets in cash, fixed-income securities, government bonds, money market securities, or repurchase agreements. Although the Fund would do this only in seeking to avoid losses, the Fund may be unable to pursue its investment objective during that time, and it could reduce the benefit from any upswing in the market.

PRINCIPAL RISKS

An investment in the Fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. The value of an investment in the Fund will fluctuate and is subject to investment risks, which means investors could lose money. The principal risks of investing in the Fund are listed below.

Derivatives Risk – Derivatives may pose risks in addition to those associated with investing directly in securities or other investments, including possible illiquidity of the derivative, limited ability to enter into or unwind a position, imperfect correlations with underlying investments or the Fund’s other portfolio holdings, leverage risk, lack of availability and the risk that the counterparty may default on its obligations. If the Investment Manager is incorrect about its expectations of market conditions, the use of derivatives could result in a loss, which in some cases may be unlimited.

Equity Securities Risk – Equity securities include common stocks and other equity securities (and securities convertible into stocks), and the prices of equity securities fluctuate in value more than other investments. They reflect changes in the issuing company’s financial condition and changes in the overall market. Common stocks generally represent the riskiest investment in a company. The Fund may lose a substantial part, or even all, of its investment in a company’s stock. Growth stocks may be more volatile than value stocks.

Foreign Securities Risk – Foreign securities, including investments in foreign securities through ADRs, carry additional risks when compared to U.S. securities, including currency fluctuations, adverse political and economic developments, unreliable or untimely information, less liquidity, limited legal recourse and higher transactional costs.

Investment in Investment Vehicles Risk – Investing in other investment vehicles, including ETFs and other mutual funds, subjects the Fund to those risks affecting the investment vehicle, including the possibility that the value of the underlying securities held by the investment vehicle could decrease. Moreover, the Fund and its shareholders will incur its pro rata share of the underlying vehicles’ expenses.

Large-Capitalization Securities Risk – The Fund is subject to the risk that large-capitalization stocks may underperform other segments of the equity market or the equity market as a whole. Larger, more established companies may be unable to respond quickly to new competitive challenges such as changes in technology and may not be able to attain the high growth rate of smaller companies, especially during extended periods of economic expansion.

Leverage Risk – The Fund’s use of leverage, through borrowings or instruments such as derivatives, may cause the Fund to be more volatile than if it had not been leveraged.

Liquidity and Valuation Risk – In certain circumstances, it may be difficult for the Fund to purchase and sell particular investments within a reasonable time at a fair price, or the price at which it has been valued by the Investment Manager for purposes of the Fund’s net asset value, causing the Fund to be less liquid and unable to realize what the Investment Manager believes should be the price of the investment.

Management Risk – The Fund is actively managed, which means that investment decisions are made based on investment views. There is no guarantee that the investment views will be successful. Furthermore, active trading that can accompany active management, also called “high turnover,” may have a negative impact on performance. Active trading may result in higher brokerage costs or mark-up charges, which are ultimately passed on to shareholders of the Fund.

Market Risk – The market value of the securities held by the Fund may fluctuate resulting from factors affecting the individual company or other factors such as changing economic, political or financial market conditions.

Non-Diversification Risk – The Fund is considered non-diversified because it invests a large portion of its assets in a small number of issuers. As a result, the Fund is more susceptible to risks associated with those issuers than a more diversified portfolio, and its performance may be more volatile.

Regulatory and Legal Risk – U.S. and other regulators and governmental agencies may implement additional regulations and legislators may pass new laws that affect the investments held by the Fund, the strategies used by the Fund or the level of regulation or taxation applying to the Fund (such as regulations related to investments in derivatives). These may impact the investment strategies, performance, costs and operations of the Fund or taxation of shareholders.

Value Stocks Risk – Value stocks are subject to the risk that the intrinsic value of the stock may never be realized by the market or that the price goes down.

PERFORMANCE INFORMATION

The following chart and table provide some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year and by showing how the Fund’s average annual returns for the one year and since inception periods have compared to those of a broad measure of market performance. As with all mutual funds, past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. Updated performance information is available on the Fund’s website at www.guggenheiminvestments.com or by calling  1-800-820-0888.

Highest Quarter Return	Lowest Quarter Return
2Q 2009 19.40%	3Q 2011 -18.41%

AVERAGE ANNUAL TOTAL RETURNS

(For the periods ended December 31, 2012)

After-tax returns shown in the table are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of any state or local taxes. Actual after-tax returns depend on an investor’s 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.

Average Annual Total Returns Security Large Cap Value Institutional Fund Large Cap Value Fund

Label

1 Year

Since Inception

Inception Date

Institutional Class

Institutional Fund Return Before Taxes

14.73%

3.91%

Jul. 14, 2008

Institutional Class After Taxes On Distributions

Institutional Fund Return After Taxes on Distributions

14.35%

3.59%

Jul. 14, 2008

Institutional Class After Taxes On Distributions And Sales

Institutional Fund Return After Taxes on Distributions and Sale of Fund Shares

9.57%

3.15%

Jul. 14, 2008

Russell 1000 Value Index

Russell 1000 Value Index (reflects no deductions for fees, expenses or taxes)

17.51%

4.91%

Jul. 14, 2008

[1] The Investment Manager has contractually agreed through February 1, 2014 to waive fees and or reimburse expenses to the extent necessary to limit the ordinary operating expenses (including distribution (12b-1) fees, but exclusive of brokerage costs, dividends on securities sold short, acquired fund fees and expenses, interest, taxes, litigation, indemnification, and extraordinary expenses) ('Operating Expenses') of the Fund to the annual percentage of 0.96% of the average daily net assets for the Fund. The Fund may have 'Total annual fund operating expenses after fee waiver' greater than the expense cap as a result of any acquired fund fees and expenses or other expenses that are excluded from the calculation. The Investment Manager is entitled to reimbursement by the Fund of fees waived during any of the previous 36 months beginning on the date of the expense limitation agreement. The agreement will expire when it reaches its termination or when the investment adviser ceases to serve as such (subject to rec

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Document and Entity Information	0 Months Ended
	Jan. 28, 2013
Document And Entity Information
Document Type	485BPOS
Document Period End Date	Sep. 30, 2012
Registrant Name	SECURITY LARGE CAP VALUE FUND/KS/
Central Index Key	0000088565
Amendment Flag	false
Trading Symbol	SLCVF
Document Creation Date	Jan. 25, 2013
Document Effective Date	Jan. 28, 2013
Prospectus Date	Jan. 28, 2013

XML

Security Large Cap Value Fund Class A,B And C

Large Cap Value Fund

INVESTMENT OBJECTIVE

The Large Cap Value Fund seeks long-term growth of capital.

FEES AND EXPENSES OF THE FUND

This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund. You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $100,000 in the Family of Funds, as defined on page 39 of the Fund’s prospectus. More information about these and other discounts is available from your financial professional and in the “Buying Shares – Class A Shares” section on page 37 of the Fund’s prospectus and the “How to Purchase Shares” section on page 36 of the Fund’s statement of additional information.

SHAREHOLDER FEES (fees paid directly from your investment)

Shareholder Fees Security Large Cap Value Fund Class A,B And C Large Cap Value Fund	Class A	Class B		Class C
Maximum Sales Charge (Load) Imposed on Purchases	4.75%	none	[1]	none
Maximum Deferred Sales Charge (Load)	none	5.00%		1.00%

ANNUAL FUND OPERATING EXPENSES (expenses that you pay each year as a percentage of the value of your investment)

Annual Fund Operating Expenses Security Large Cap Value Fund Class A,B And C Large Cap Value Fund		Class A	Class B	Class C
Management Fees		0.65%	0.65%	0.65%
Distribution and Service (12b-1) Fees		0.25%	1.00%	1.00%
Tax Expenses		0.03%	0.03%	0.03%
Remaining Other Expenses		0.72%	1.25%	0.77%
Other Expenses		0.75%	1.28%	0.80%
Total Annual Fund Operating Expenses		1.65%	2.93%	2.45%
Fee Waiver (and/or expense reimbursement)	[1]	(0.47%)	(1.00%)	(0.52%)
Total Annual Fund Operating Expenses After Fee Waiver (and/or expense reimbursement)		1.18%	1.93%	1.93%

EXAMPLE

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.

The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then 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. Although the actual costs may be higher or lower, based on these assumptions your costs would be:

Expense Example Security Large Cap Value Fund Class A,B And C Large Cap Value Fund (USD $)	1 Year	3 Years	5 Years	10 Years
Class A	590	927	1,287	2,299
Class B	696	1,113	1,655	2,875
Class C	296	714	1,259	2,747

Expense Example, No Redemption Security Large Cap Value Fund Class A,B And C Large Cap Value Fund (USD $)	1 Year	3 Years	5 Years	10 Years
Class A	590	927	1,287	2,299
Class B	196	813	1,455	2,875
Class C	196	714	1,259	2,747

The above Examples reflect applicable contractual fee waiver/expense reimbursement arrangements for the duration of the arrangements only.

PORTFOLIO TURNOVER

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs 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 16% of the average value of its portfolio.

PRINCIPAL INVESTMENT STRATEGIES

The Fund pursues its objective by investing, under normal market conditions, at least 80% of its assets (net assets, plus the amount of any borrowing for investment purposes) in equity securities, which include common stocks, rights, options, warrants, convertible debt securities of both U.S. and U.S. dollar-denominated foreign issuers, and American Depositary Receipts (“ADRs”), of companies that, when purchased, have market capitalizations that are usually within the range of companies in the Russell 1000 Value Index. Although a universal definition of large market capitalization companies does not exist, the Fund generally defines large market capitalization companies as those whose market capitalization is similar to the market capitalization of companies in the Russell 1000 Value Index, which is an unmanaged index measuring the performance of the large cap value segment of the U.S. equity universe and which includes companies with lower price-to-book ratios and lower expected growth values.

In choosing securities, Security Investors, LLC, also known as Guggenheim Investments (the “Investment Manager”), primarily invests in value-oriented companies. Value-oriented companies are companies that appear to be undervalued relative to assets, earnings, growth potential or cash flows. The Investment Manager uses a blend of quantitative analysis and fundamental research to identify securities that appear favorably priced and that may be able to sustain or improve their pre-tax ROIC (Return on Invested Capital) over time. The Fund may, consistent with its status as a non-diversified mutual fund, focus its investments in a limited number of issuers.

The Fund may invest a portion of its assets in futures contracts, options on futures contracts, and options on securities. These instruments are used to hedge the Fund’s portfolio, to maintain exposure to the equity markets, or to increase returns. The Fund may invest in a variety of investment vehicles, including those that seek to track the composition and performance of a specific index, such as exchange traded funds (“ETFs”) and other mutual funds. The Fund may use these investments as a way of managing its cash position or to gain exposure to the equity markets or a particular sector of the equity markets, while maintaining liquidity.

The Fund typically sells a security when its issuer is no longer considered a value company, shows deteriorating fundamentals or falls short of the Investment Manager’s expectations, among other reasons.

Under adverse or unstable market conditions, the Fund could invest some or all of its assets in cash, fixed-income securities, government bonds, money market securities, or repurchase agreements. Although the Fund would do this only in seeking to avoid losses, the Fund may be unable to pursue its investment objective during that time, and it could reduce the benefit from any upswing in the market.

PRINCIPAL RISKS

An investment in the Fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. The value of an investment in the Fund will fluctuate and is subject to investment risks, which means investors could lose money. The principal risks of investing in the Fund are listed below.

Derivatives Risk – Derivatives may pose risks in addition to those associated with investing directly in securities or other investments, including possible illiquidity of the derivative, limited ability to enter into or unwind a position, imperfect correlations with underlying investments or the Fund’s other portfolio holdings, leverage risk, lack of availability and the risk that the counterparty may default on its obligations. If the Investment Manager is incorrect about its expectations of market conditions, the use of derivatives could result in a loss, which in some cases may be unlimited.

Equity Securities Risk – Equity securities include common stocks and other equity securities (and securities convertible into stocks), and the prices of equity securities fluctuate in value more than other investments. They reflect changes in the issuing company’s financial condition and changes in the overall market. Common stocks generally represent the riskiest investment in a company. The Fund may lose a substantial part, or even all, of its investment in a company’s stock. Growth stocks may be more volatile than value stocks.

Foreign Securities Risk – Foreign securities, including investments in foreign securities through ADRs, carry additional risks when compared to U.S. securities, including currency fluctuations, adverse political and economic developments, unreliable or untimely information, less liquidity, limited legal recourse and higher transactional costs.

Investment in Investment Vehicles Risk – Investing in other investment vehicles, including ETFs and other mutual funds, subjects the Fund to those risks affecting the investment vehicle, including the possibility that the value of the underlying securities held by the investment vehicle could decrease. Moreover, the Fund and its shareholders will incur its pro rata share of the underlying vehicles’ expenses.

Large-Capitalization Securities Risk – The Fund is subject to the risk that large-capitalization stocks may underperform other segments of the equity market or the equity market as a whole. Larger, more established companies may be unable to respond quickly to new competitive challenges such as changes in technology and may not be able to attain the high growth rate of smaller companies, especially during extended periods of economic expansion.

Leverage Risk – The Fund’s use of leverage, through borrowings or instruments such as derivatives, may cause the Fund to be more volatile than if it had not been leveraged.

Liquidity and Valuation Risk – In certain circumstances, it may be difficult for the Fund to purchase and sell particular investments within a reasonable time at a fair price, or the price at which it has been valued by the Investment Manager for purposes of the Fund’s net asset value, causing the Fund to be less liquid and unable to realize what the Investment Manager believes should be the price of the investment.

Management Risk – The Fund is actively managed, which means that investment decisions are made based on investment views. There is no guarantee that the investment views will be successful. Furthermore, active trading that can accompany active management, also called “high turnover,” may have a negative impact on performance. Active trading may result in higher brokerage costs or mark-up charges, which are ultimately passed on to shareholders of the Fund.

Market Risk – The market value of the securities held by the Fund may fluctuate resulting from factors affecting the individual company or other factors such as changing economic, political or financial market conditions.

Non-Diversification Risk – The Fund is considered non-diversified because it invests a large portion of its assets in a small number of issuers. As a result, the Fund is more susceptible to risks associated with those issuers than a more diversified portfolio, and its performance may be more volatile.

Regulatory and Legal Risk – U.S. and other regulators and governmental agencies may implement additional regulations and legislators may pass new laws that affect the investments held by the Fund, the strategies used by the Fund or the level of regulation or taxation applying to the Fund (such as regulations related to investments in derivatives). These may impact the investment strategies, performance, costs and operations of the Fund or taxation of shareholders.

Value Stocks Risk – Value stocks are subject to the risk that the intrinsic value of the stock may never be realized by the market or that the price goes down.

PERFORMANCE INFORMATION

The following chart and table provide some indication of the risks of investing in the Fund by showing changes in the Fund’s Class A share performance from year to year and by showing how the Fund’s average annual returns for one, five, and ten years have compared to those of a broad measure of market performance. As with all mutual funds, past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. Updated performance information is available on the Fund’s website at www.guggenheiminvestments.com or by calling  1-800-820-0888.

The bar chart does not reflect the impact of the sales charge applicable to Class A shares which, if reflected, would lower the returns shown.

Highest Quarter Return 2Q 2009 19.19% Lowest Quarter Return 4Q 2008 -23.63%

AVERAGE ANNUAL TOTAL RETURNS

(for the periods ended December 31, 2012)

After-tax returns shown in the table are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of any state or local taxes. Actual after-tax returns depend on an investor’s 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. After-tax returns are shown for Class A only. After-tax returns for Class B and C will vary.

Average Annual Total Returns Security Large Cap Value Fund Class A,B And C Large Cap Value Fund

Label

1 Year

5 Years

10 Years

Class A

Class A Return Before Taxes

9.87%

(1.35%)

6.13%

Class A After Taxes On Distributions

Class A Return After Taxes on Distributions

9.52%

(1.62%)

5.87%

Class A After Taxes On Distributions And Sales

Class A Return After Taxes on Distributions and Sale of Fund Shares

6.41%

(1.30%)

5.26%

Class B

Class B Return Before Taxes

10.68%

(0.43%)

6.42%

Class C

Class C Return Before Taxes

13.49%

(1.03%)

5.91%

Russell 1000 Value Index

Russell 1000 Value Index (reflects no deductions for fees, expenses or taxes)

17.51%

0.59%

7.38%

Security Large Cap Value Institutional Fund

Large Cap Value Institutional Fund

INVESTMENT OBJECTIVE

The Large Cap Value Institutional Fund seeks long-term growth of capital.

FEES AND EXPENSES OF THE FUND

This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund.

SHAREHOLDER FEES (fees paid directly from your investment)

Shareholder Fees	Security Large Cap Value Institutional Fund Large Cap Value Fund Institutional Class
Maximum Sales Charge (Load) Imposed on Purchases	none
Maximum Deferred Sales Charge (Load)	none

ANNUAL FUND OPERATING EXPENSES (expenses that you pay each year as a percentage of the value of your investment)

Annual Fund Operating Expenses		Security Large Cap Value Institutional Fund Large Cap Value Fund Institutional Class
Management Fees		0.65%
Distribution and Service (12b-1) Fees		none
Tax Expenses		0.03%
Remaining Other Expenses		3.41%
Other Expenses		3.44%
Total Annual Fund Operating Expenses		4.09%
Fee Waiver (and/or expense reimbursement)	[1]	(3.06%)
Total Annual Fund Operating Expenses After Fee Waiver (and/or expense reimbursement)		1.03%

EXAMPLE

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.

The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then 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. Although the actual costs may be higher or lower, based on these assumptions your costs would be:

Expense Example (USD $)	1 Year	3 Years	5 Years	10 Years
Security Large Cap Value Institutional Fund Large Cap Value Fund Institutional Class	105	963	1,837	4,093

The above Examples reflect applicable contractual fee waiver/expense reimbursement arrangements for the duration of the arrangements only.

PORTFOLIO TURNOVER

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs 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 19% of the average value of its portfolio.

PRINCIPAL INVESTMENT STRATEGIES

The Fund pursues its objective by investing, under normal market conditions, at least 80% of its assets (net assets, plus the amount of any borrowing for investment purposes) in equity securities, which include common stocks, rights, options, warrants, convertible debt securities of both U.S. and U.S. dollar-denominated foreign issuers, and American Depositary Receipts (“ADRs”), of companies that, when purchased, have market capitalizations that are usually within the range of companies in the Russell 1000 Value Index. Although a universal definition of large market capitalization companies does not exist, the Fund generally defines large market capitalization companies as those whose market capitalization is similar to the market capitalization of companies in the Russell 1000 Value Index, which is an unmanaged index measuring the performance of the large cap value segment of the U.S. equity universe and which includes companies with lower price-to-book ratios and lower expected growth values.

In choosing securities, Security Investors, LLC, also known as Guggenheim Investments (the “Investment Manager”), primarily invests in value-oriented companies. Value-oriented companies are companies that appear to be undervalued relative to assets, earnings, growth potential or cash flows. The Investment Manager uses a blend of quantitative analysis and fundamental research to identify securities that appear favorably priced and that may be able to sustain or improve their pre-tax ROIC (Return on Invested Capital) over time. The Fund may, consistent with its status as a non-diversified mutual fund, focus its investments in a limited number of issuers.

The Fund may invest a portion of its assets in futures contracts, options on futures contracts, and options on securities. These instruments are used to hedge the Fund’s portfolio, to maintain exposure to the equity markets, or to increase returns.

The Fund may invest in a variety of investment vehicles, including those that seek to track the composition and performance of a specific index, such as exchange traded funds (“ETFs”) and other mutual funds. The Fund may use these investments as a way of managing its cash position or to gain exposure to the equity markets or a particular sector of the equity markets, while maintaining liquidity.

The Fund typically sells a security when its issuer is no longer considered a value company, shows deteriorating fundamentals or falls short of the Investment Manager’s expectations, among other reasons.

Under adverse or unstable market conditions, the Fund could invest some or all of its assets in cash, fixed-income securities, government bonds, money market securities, or repurchase agreements. Although the Fund would do this only in seeking to avoid losses, the Fund may be unable to pursue its investment objective during that time, and it could reduce the benefit from any upswing in the market.

PRINCIPAL RISKS

An investment in the Fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. The value of an investment in the Fund will fluctuate and is subject to investment risks, which means investors could lose money. The principal risks of investing in the Fund are listed below.

Derivatives Risk – Derivatives may pose risks in addition to those associated with investing directly in securities or other investments, including possible illiquidity of the derivative, limited ability to enter into or unwind a position, imperfect correlations with underlying investments or the Fund’s other portfolio holdings, leverage risk, lack of availability and the risk that the counterparty may default on its obligations. If the Investment Manager is incorrect about its expectations of market conditions, the use of derivatives could result in a loss, which in some cases may be unlimited.

Equity Securities Risk – Equity securities include common stocks and other equity securities (and securities convertible into stocks), and the prices of equity securities fluctuate in value more than other investments. They reflect changes in the issuing company’s financial condition and changes in the overall market. Common stocks generally represent the riskiest investment in a company. The Fund may lose a substantial part, or even all, of its investment in a company’s stock. Growth stocks may be more volatile than value stocks.

Foreign Securities Risk – Foreign securities, including investments in foreign securities through ADRs, carry additional risks when compared to U.S. securities, including currency fluctuations, adverse political and economic developments, unreliable or untimely information, less liquidity, limited legal recourse and higher transactional costs.

Investment in Investment Vehicles Risk – Investing in other investment vehicles, including ETFs and other mutual funds, subjects the Fund to those risks affecting the investment vehicle, including the possibility that the value of the underlying securities held by the investment vehicle could decrease. Moreover, the Fund and its shareholders will incur its pro rata share of the underlying vehicles’ expenses.

Large-Capitalization Securities Risk – The Fund is subject to the risk that large-capitalization stocks may underperform other segments of the equity market or the equity market as a whole. Larger, more established companies may be unable to respond quickly to new competitive challenges such as changes in technology and may not be able to attain the high growth rate of smaller companies, especially during extended periods of economic expansion.

Leverage Risk – The Fund’s use of leverage, through borrowings or instruments such as derivatives, may cause the Fund to be more volatile than if it had not been leveraged.

Liquidity and Valuation Risk – In certain circumstances, it may be difficult for the Fund to purchase and sell particular investments within a reasonable time at a fair price, or the price at which it has been valued by the Investment Manager for purposes of the Fund’s net asset value, causing the Fund to be less liquid and unable to realize what the Investment Manager believes should be the price of the investment.

Management Risk – The Fund is actively managed, which means that investment decisions are made based on investment views. There is no guarantee that the investment views will be successful. Furthermore, active trading that can accompany active management, also called “high turnover,” may have a negative impact on performance. Active trading may result in higher brokerage costs or mark-up charges, which are ultimately passed on to shareholders of the Fund.

Market Risk – The market value of the securities held by the Fund may fluctuate resulting from factors affecting the individual company or other factors such as changing economic, political or financial market conditions.

Non-Diversification Risk – The Fund is considered non-diversified because it invests a large portion of its assets in a small number of issuers. As a result, the Fund is more susceptible to risks associated with those issuers than a more diversified portfolio, and its performance may be more volatile.

Regulatory and Legal Risk – U.S. and other regulators and governmental agencies may implement additional regulations and legislators may pass new laws that affect the investments held by the Fund, the strategies used by the Fund or the level of regulation or taxation applying to the Fund (such as regulations related to investments in derivatives). These may impact the investment strategies, performance, costs and operations of the Fund or taxation of shareholders.

Value Stocks Risk – Value stocks are subject to the risk that the intrinsic value of the stock may never be realized by the market or that the price goes down.

PERFORMANCE INFORMATION

The following chart and table provide some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year and by showing how the Fund’s average annual returns for the one year and since inception periods have compared to those of a broad measure of market performance. As with all mutual funds, past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. Updated performance information is available on the Fund’s website at www.guggenheiminvestments.com or by calling  1-800-820-0888.

Highest Quarter Return	Lowest Quarter Return
2Q 2009 19.40%	3Q 2011 -18.41%

AVERAGE ANNUAL TOTAL RETURNS

(For the periods ended December 31, 2012)

After-tax returns shown in the table are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of any state or local taxes. Actual after-tax returns depend on an investor’s 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.

Average Annual Total Returns Security Large Cap Value Institutional Fund Large Cap Value Fund

Label

1 Year

Since Inception

Inception Date

Institutional Class

Institutional Fund Return Before Taxes

14.73%

3.91%

Jul. 14, 2008

Institutional Class After Taxes On Distributions

Institutional Fund Return After Taxes on Distributions

14.35%

3.59%

Jul. 14, 2008

Institutional Class After Taxes On Distributions And Sales

Institutional Fund Return After Taxes on Distributions and Sale of Fund Shares

9.57%

3.15%

Jul. 14, 2008

Russell 1000 Value Index

Russell 1000 Value Index (reflects no deductions for fees, expenses or taxes)

17.51%

4.91%

Jul. 14, 2008

[1] Closed to new subscriptions

[1] The Investment Manager has contractually agreed through February 1, 2014 to waive fees and or reimburse expenses to the extent necessary to limit the ordinary operating expenses (including distribution (12b-1) fees, but exclusive of brokerage costs, dividends on securities sold short, acquired fund fees and expenses, interest, taxes, litigation, indemnification, and extraordinary expenses) ('Operating Expenses') of the Fund to the annual percentage of average daily net assets for each class of shares as follows: Class A - 1.15%, Class B - 1.90% and Class C - 1.90%. The Fund may have 'Total annual fund operating expenses after fee waiver' greater than the expense cap as a result of any acquired fund fees and expenses or other expenses that are excluded from the calculation. The Investment Manager is entitled to reimbursement by the Fund of fees waived during any of the previous 36 months beginning on the date of the expense limitation agreement. The agreement will expire when it reaches its termination or when the investment adviser ceases to serve as such (subject to recoupment rights).

[1] The Investment Manager has contractually agreed through February 1, 2014 to waive fees and or reimburse expenses to the extent necessary to limit the ordinary operating expenses (including distribution (12b-1) fees, but exclusive of brokerage costs, dividends on securities sold short, acquired fund fees and expenses, interest, taxes, litigation, indemnification, and extraordinary expenses) ('Operating Expenses') of the Fund to the annual percentage of 0.96% of the average daily net assets for the Fund. The Fund may have 'Total annual fund operating expenses after fee waiver' greater than the expense cap as a result of any acquired fund fees and expenses or other expenses that are excluded from the calculation. The Investment Manager is entitled to reimbursement by the Fund of fees waived during any of the previous 36 months beginning on the date of the expense limitation agreement. The agreement will expire when it reaches its termination or when the investment adviser ceases to serve as such (subject to rec

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Document Type

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485BPOS

Document Period End Date

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Sep. 30, 2012

Registrant Name

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SECURITY LARGE CAP VALUE FUND/KS/

Central Index Key

dei_EntityCentralIndexKey

0000088565

Amendment Flag

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false

Trading Symbol

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SLCVF

Document Creation Date

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Jan. 25, 2013

Document Effective Date

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Jan. 28, 2013

Prospectus Date

rr_ProspectusDate

Jan. 28, 2013

Large Cap Value Fund | Security Large Cap Value Fund Class A,B And C

[RiskReturnAbstract]

rr_RiskReturnAbstract

Risk/Return [Heading]

rr_RiskReturnHeading

Large Cap Value Fund

Objective [Heading]

rr_ObjectiveHeading

INVESTMENT OBJECTIVE

Objective, Primary [Text Block]

rr_ObjectivePrimaryTextBlock

The Large Cap Value Fund seeks long-term growth of capital.

Expense [Heading]

rr_ExpenseHeading

FEES AND EXPENSES OF THE FUND

Expense Narrative [Text Block]

rr_ExpenseNarrativeTextBlock

This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund. You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $100,000 in the Family of Funds, as defined on page 39 of the Fund’s prospectus. More information about these and other discounts is available from your financial professional and in the “Buying Shares – Class A Shares” section on page 37 of the Fund’s prospectus and the “How to Purchase Shares” section on page 36 of the Fund’s statement of additional information.

Shareholder Fees Caption [Text]

rr_ShareholderFeesCaption

SHAREHOLDER FEES (fees paid directly from your investment)

Operating Expenses Caption [Text]

rr_OperatingExpensesCaption

ANNUAL FUND OPERATING EXPENSES (expenses that you pay each year as a percentage of the value of your investment)

Fee Waiver or Reimbursement over Assets, Date of Termination

rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination

February 1, 2014

Portfolio Turnover [Heading]

rr_PortfolioTurnoverHeading

PORTFOLIO TURNOVER

Portfolio Turnover [Text Block]

rr_PortfolioTurnoverTextBlock

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs 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 16% of the average value of its portfolio.

Portfolio Turnover, Rate

rr_PortfolioTurnoverRate

16.00%

Expense Breakpoint Discounts [Text]

rr_ExpenseBreakpointDiscounts

You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $100,000 in the Family of Funds, as defined on page 39 of the Fund’s prospectus. More information about these and other discounts is available from your financial professional and in the “Buying Shares – Class A Shares” section on page 37 of the Fund’s prospectus and the “How to Purchase Shares” section on page 36 of the Fund’s statement of additional information.

Expense Breakpoint, Minimum Investment Required [Amount]

rr_ExpenseBreakpointMinimumInvestmentRequiredAmount

100,000

Expense Example [Heading]

rr_ExpenseExampleHeading

EXAMPLE

Expense Example Narrative [Text Block]

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. Although the actual costs may be higher or lower, based on these assumptions your costs would be:

Expense Example Closing [Text Block]

rr_ExpenseExampleClosingTextBlock

The above Examples reflect applicable contractual fee waiver/expense reimbursement arrangements for the duration of the arrangements only.

Strategy [Heading]

rr_StrategyHeading

PRINCIPAL INVESTMENT STRATEGIES

Strategy Narrative [Text Block]

rr_StrategyNarrativeTextBlock

The Fund pursues its objective by investing, under normal market conditions, at least 80% of its assets (net assets, plus the amount of any borrowing for investment purposes) in equity securities, which include common stocks, rights, options, warrants, convertible debt securities of both U.S. and U.S. dollar-denominated foreign issuers, and American Depositary Receipts (“ADRs”), of companies that, when purchased, have market capitalizations that are usually within the range of companies in the Russell 1000 Value Index. Although a universal definition of large market capitalization companies does not exist, the Fund generally defines large market capitalization companies as those whose market capitalization is similar to the market capitalization of companies in the Russell 1000 Value Index, which is an unmanaged index measuring the performance of the large cap value segment of the U.S. equity universe and which includes companies with lower price-to-book ratios and lower expected growth values.

In choosing securities, Security Investors, LLC, also known as Guggenheim Investments (the “Investment Manager”), primarily invests in value-oriented companies. Value-oriented companies are companies that appear to be undervalued relative to assets, earnings, growth potential or cash flows. The Investment Manager uses a blend of quantitative analysis and fundamental research to identify securities that appear favorably priced and that may be able to sustain or improve their pre-tax ROIC (Return on Invested Capital) over time. The Fund may, consistent with its status as a non-diversified mutual fund, focus its investments in a limited number of issuers.

The Fund may invest a portion of its assets in futures contracts, options on futures contracts, and options on securities. These instruments are used to hedge the Fund’s portfolio, to maintain exposure to the equity markets, or to increase returns. The Fund may invest in a variety of investment vehicles, including those that seek to track the composition and performance of a specific index, such as exchange traded funds (“ETFs”) and other mutual funds. The Fund may use these investments as a way of managing its cash position or to gain exposure to the equity markets or a particular sector of the equity markets, while maintaining liquidity.

The Fund typically sells a security when its issuer is no longer considered a value company, shows deteriorating fundamentals or falls short of the Investment Manager’s expectations, among other reasons.

Under adverse or unstable market conditions, the Fund could invest some or all of its assets in cash, fixed-income securities, government bonds, money market securities, or repurchase agreements. Although the Fund would do this only in seeking to avoid losses, the Fund may be unable to pursue its investment objective during that time, and it could reduce the benefit from any upswing in the market.

Strategy Portfolio Concentration [Text]

rr_StrategyPortfolioConcentration

The Fund pursues its objective by investing, under normal market conditions, at least 80% of its assets (net assets, plus the amount of any borrowing for investment purposes) in equity securities, which include common stocks, rights, options, warrants, convertible debt securities of both U.S. and U.S. dollar-denominated foreign issuers, and American Depositary Receipts (“ADRs”), of companies that, when purchased, have market capitalizations that are usually within the range of companies in the Russell 1000 Value Index.

Risk [Heading]

rr_RiskHeading

PRINCIPAL RISKS

Risk Narrative [Text Block]

rr_RiskNarrativeTextBlock

An investment in the Fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. The value of an investment in the Fund will fluctuate and is subject to investment risks, which means investors could lose money. The principal risks of investing in the Fund are listed below.

Derivatives Risk – Derivatives may pose risks in addition to those associated with investing directly in securities or other investments, including possible illiquidity of the derivative, limited ability to enter into or unwind a position, imperfect correlations with underlying investments or the Fund’s other portfolio holdings, leverage risk, lack of availability and the risk that the counterparty may default on its obligations. If the Investment Manager is incorrect about its expectations of market conditions, the use of derivatives could result in a loss, which in some cases may be unlimited.

Equity Securities Risk – Equity securities include common stocks and other equity securities (and securities convertible into stocks), and the prices of equity securities fluctuate in value more than other investments. They reflect changes in the issuing company’s financial condition and changes in the overall market. Common stocks generally represent the riskiest investment in a company. The Fund may lose a substantial part, or even all, of its investment in a company’s stock. Growth stocks may be more volatile than value stocks.

Foreign Securities Risk – Foreign securities, including investments in foreign securities through ADRs, carry additional risks when compared to U.S. securities, including currency fluctuations, adverse political and economic developments, unreliable or untimely information, less liquidity, limited legal recourse and higher transactional costs.

Investment in Investment Vehicles Risk – Investing in other investment vehicles, including ETFs and other mutual funds, subjects the Fund to those risks affecting the investment vehicle, including the possibility that the value of the underlying securities held by the investment vehicle could decrease. Moreover, the Fund and its shareholders will incur its pro rata share of the underlying vehicles’ expenses.

Large-Capitalization Securities Risk – The Fund is subject to the risk that large-capitalization stocks may underperform other segments of the equity market or the equity market as a whole. Larger, more established companies may be unable to respond quickly to new competitive challenges such as changes in technology and may not be able to attain the high growth rate of smaller companies, especially during extended periods of economic expansion.

Leverage Risk – The Fund’s use of leverage, through borrowings or instruments such as derivatives, may cause the Fund to be more volatile than if it had not been leveraged.

Liquidity and Valuation Risk – In certain circumstances, it may be difficult for the Fund to purchase and sell particular investments within a reasonable time at a fair price, or the price at which it has been valued by the Investment Manager for purposes of the Fund’s net asset value, causing the Fund to be less liquid and unable to realize what the Investment Manager believes should be the price of the investment.

Management Risk – The Fund is actively managed, which means that investment decisions are made based on investment views. There is no guarantee that the investment views will be successful. Furthermore, active trading that can accompany active management, also called “high turnover,” may have a negative impact on performance. Active trading may result in higher brokerage costs or mark-up charges, which are ultimately passed on to shareholders of the Fund.

Market Risk – The market value of the securities held by the Fund may fluctuate resulting from factors affecting the individual company or other factors such as changing economic, political or financial market conditions.

Non-Diversification Risk – The Fund is considered non-diversified because it invests a large portion of its assets in a small number of issuers. As a result, the Fund is more susceptible to risks associated with those issuers than a more diversified portfolio, and its performance may be more volatile.

Regulatory and Legal Risk – U.S. and other regulators and governmental agencies may implement additional regulations and legislators may pass new laws that affect the investments held by the Fund, the strategies used by the Fund or the level of regulation or taxation applying to the Fund (such as regulations related to investments in derivatives). These may impact the investment strategies, performance, costs and operations of the Fund or taxation of shareholders.

Value Stocks Risk – Value stocks are subject to the risk that the intrinsic value of the stock may never be realized by the market or that the price goes down.

Risk Lose Money [Text]

rr_RiskLoseMoney

The value of an investment in the Fund will fluctuate and is subject to investment risks, which means investors could lose money.

Risk Nondiversified Status [Text]

rr_RiskNondiversifiedStatus

Non-Diversification Risk – The Fund is considered non-diversified because it invests a large portion of its assets in a small number of issuers. As a result, the Fund is more susceptible to risks associated with those issuers than a more diversified portfolio, and its performance may be more volatile.

Risk Not Insured Depository Institution [Text]

rr_RiskNotInsuredDepositoryInstitution

An investment in the Fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.

Bar Chart and Performance Table [Heading]

rr_BarChartAndPerformanceTableHeading

PERFORMANCE INFORMATION

Performance Narrative [Text Block]

rr_PerformanceNarrativeTextBlock

The following chart and table provide some indication of the risks of investing in the Fund by showing changes in the Fund’s Class A share performance from year to year and by showing how the Fund’s average annual returns for one, five, and ten years have compared to those of a broad measure of market performance. As with all mutual funds, past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. Updated performance information is available on the Fund’s website at www.guggenheiminvestments.com or by calling  1-800-820-0888.

Performance Information Illustrates Variability of Returns [Text]

rr_PerformanceInformationIllustratesVariabilityOfReturns

The following chart and table provide some indication of the risks of investing in the Fund by showing changes in the Fund’s Class A share performance from year to year and by showing how the Fund’s average annual returns for one, five, and ten years have compared to those of a broad measure of market performance

Performance Availability Phone [Text]

rr_PerformanceAvailabilityPhone

1-800-820-0888

Performance Availability Website Address [Text]

rr_PerformanceAvailabilityWebSiteAddress

www.guggenheiminvestments.com

Performance Past Does Not Indicate Future [Text]

rr_PerformancePastDoesNotIndicateFuture

As with all mutual funds, past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.

Bar Chart Narrative [Text Block]

rr_BarChartNarrativeTextBlock

The bar chart does not reflect the impact of the sales charge applicable to Class A shares which, if reflected, would lower the returns shown.

Bar Chart Closing [Text Block]

rr_BarChartClosingTextBlock

Highest Quarter Return 2Q 2009 19.19% Lowest Quarter Return 4Q 2008 -23.63%

Highest Quarterly Return, Label

rr_HighestQuarterlyReturnLabel

Highest Quarter Return

Highest Quarterly Return, Date

rr_BarChartHighestQuarterlyReturnDate

Jun. 30, 2009

Highest Quarterly Return

rr_BarChartHighestQuarterlyReturn

19.19%

Lowest Quarterly Return, Label

rr_LowestQuarterlyReturnLabel

Lowest Quarter Return

Lowest Quarterly Return, Date

rr_BarChartLowestQuarterlyReturnDate

Dec. 31, 2008

Lowest Quarterly Return

rr_BarChartLowestQuarterlyReturn

(23.63%)

Performance Table Heading

rr_PerformanceTableHeading

AVERAGE ANNUAL TOTAL RETURNS

(for the periods ended December 31, 2012)

Index No Deduction for Fees, Expenses, Taxes [Text]

rr_IndexNoDeductionForFeesExpensesTaxes

(reflects no deductions for fees, expenses or taxes)

Performance Table Uses Highest Federal Rate

rr_PerformanceTableUsesHighestFederalRate

After-tax returns shown in the table are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of any state or local taxes.

Performance Table Not Relevant to Tax Deferred

rr_PerformanceTableNotRelevantToTaxDeferred

Actual after-tax returns depend on an investor’s 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 One Class of after Tax Shown [Text]

rr_PerformanceTableOneClassOfAfterTaxShown

After-tax returns are shown for Class A only. After-tax returns for Class B and C will vary.

Performance Table Narrative

rr_PerformanceTableNarrativeTextBlock

After-tax returns shown in the table are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of any state or local taxes. Actual after-tax returns depend on an investor’s 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. After-tax returns are shown for Class A only. After-tax returns for Class B and C will vary.

Large Cap Value Fund | Security Large Cap Value Institutional Fund

[RiskReturnAbstract]

rr_RiskReturnAbstract

Risk/Return [Heading]

rr_RiskReturnHeading

Large Cap Value Institutional Fund

Objective [Heading]

rr_ObjectiveHeading

INVESTMENT OBJECTIVE

Objective, Primary [Text Block]

rr_ObjectivePrimaryTextBlock

The Large Cap Value Institutional Fund seeks long-term growth of capital.

Expense [Heading]

rr_ExpenseHeading

FEES AND EXPENSES OF THE FUND

Expense Narrative [Text Block]

rr_ExpenseNarrativeTextBlock

This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund.

Shareholder Fees Caption [Text]

rr_ShareholderFeesCaption

SHAREHOLDER FEES (fees paid directly from your investment)

Operating Expenses Caption [Text]

rr_OperatingExpensesCaption

ANNUAL FUND OPERATING EXPENSES (expenses that you pay each year as a percentage of the value of your investment)

Fee Waiver or Reimbursement over Assets, Date of Termination

rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination

February 1, 2014

Portfolio Turnover [Heading]

rr_PortfolioTurnoverHeading

PORTFOLIO TURNOVER

Portfolio Turnover [Text Block]

rr_PortfolioTurnoverTextBlock

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs 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 19% of the average value of its portfolio.

Portfolio Turnover, Rate

rr_PortfolioTurnoverRate

19.00%

Expense Example [Heading]

rr_ExpenseExampleHeading

EXAMPLE

Expense Example Narrative [Text Block]

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. Although the actual costs may be higher or lower, based on these assumptions your costs would be:

Expense Example Closing [Text Block]

rr_ExpenseExampleClosingTextBlock

The above Examples reflect applicable contractual fee waiver/expense reimbursement arrangements for the duration of the arrangements only.

Strategy [Heading]

rr_StrategyHeading

PRINCIPAL INVESTMENT STRATEGIES

Strategy Narrative [Text Block]

rr_StrategyNarrativeTextBlock

The Fund pursues its objective by investing, under normal market conditions, at least 80% of its assets (net assets, plus the amount of any borrowing for investment purposes) in equity securities, which include common stocks, rights, options, warrants, convertible debt securities of both U.S. and U.S. dollar-denominated foreign issuers, and American Depositary Receipts (“ADRs”), of companies that, when purchased, have market capitalizations that are usually within the range of companies in the Russell 1000 Value Index. Although a universal definition of large market capitalization companies does not exist, the Fund generally defines large market capitalization companies as those whose market capitalization is similar to the market capitalization of companies in the Russell 1000 Value Index, which is an unmanaged index measuring the performance of the large cap value segment of the U.S. equity universe and which includes companies with lower price-to-book ratios and lower expected growth values.

In choosing securities, Security Investors, LLC, also known as Guggenheim Investments (the “Investment Manager”), primarily invests in value-oriented companies. Value-oriented companies are companies that appear to be undervalued relative to assets, earnings, growth potential or cash flows. The Investment Manager uses a blend of quantitative analysis and fundamental research to identify securities that appear favorably priced and that may be able to sustain or improve their pre-tax ROIC (Return on Invested Capital) over time. The Fund may, consistent with its status as a non-diversified mutual fund, focus its investments in a limited number of issuers.

The Fund may invest a portion of its assets in futures contracts, options on futures contracts, and options on securities. These instruments are used to hedge the Fund’s portfolio, to maintain exposure to the equity markets, or to increase returns.

The Fund may invest in a variety of investment vehicles, including those that seek to track the composition and performance of a specific index, such as exchange traded funds (“ETFs”) and other mutual funds. The Fund may use these investments as a way of managing its cash position or to gain exposure to the equity markets or a particular sector of the equity markets, while maintaining liquidity.

The Fund typically sells a security when its issuer is no longer considered a value company, shows deteriorating fundamentals or falls short of the Investment Manager’s expectations, among other reasons.

Under adverse or unstable market conditions, the Fund could invest some or all of its assets in cash, fixed-income securities, government bonds, money market securities, or repurchase agreements. Although the Fund would do this only in seeking to avoid losses, the Fund may be unable to pursue its investment objective during that time, and it could reduce the benefit from any upswing in the market.

Strategy Portfolio Concentration [Text]

rr_StrategyPortfolioConcentration

The Fund pursues its objective by investing, under normal market conditions, at least 80% of its assets (net assets, plus the amount of any borrowing for investment purposes) in equity securities, which include common stocks, rights, options, warrants, convertible debt securities of both U.S. and U.S. dollar-denominated foreign issuers, and American Depositary Receipts (“ADRs”), of companies that, when purchased, have market capitalizations that are usually within the range of companies in the Russell 1000 Value Index.

Risk [Heading]

rr_RiskHeading

PRINCIPAL RISKS

Risk Narrative [Text Block]

rr_RiskNarrativeTextBlock

An investment in the Fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. The value of an investment in the Fund will fluctuate and is subject to investment risks, which means investors could lose money. The principal risks of investing in the Fund are listed below.

Derivatives Risk – Derivatives may pose risks in addition to those associated with investing directly in securities or other investments, including possible illiquidity of the derivative, limited ability to enter into or unwind a position, imperfect correlations with underlying investments or the Fund’s other portfolio holdings, leverage risk, lack of availability and the risk that the counterparty may default on its obligations. If the Investment Manager is incorrect about its expectations of market conditions, the use of derivatives could result in a loss, which in some cases may be unlimited.

Equity Securities Risk – Equity securities include common stocks and other equity securities (and securities convertible into stocks), and the prices of equity securities fluctuate in value more than other investments. They reflect changes in the issuing company’s financial condition and changes in the overall market. Common stocks generally represent the riskiest investment in a company. The Fund may lose a substantial part, or even all, of its investment in a company’s stock. Growth stocks may be more volatile than value stocks.

Foreign Securities Risk – Foreign securities, including investments in foreign securities through ADRs, carry additional risks when compared to U.S. securities, including currency fluctuations, adverse political and economic developments, unreliable or untimely information, less liquidity, limited legal recourse and higher transactional costs.

Investment in Investment Vehicles Risk – Investing in other investment vehicles, including ETFs and other mutual funds, subjects the Fund to those risks affecting the investment vehicle, including the possibility that the value of the underlying securities held by the investment vehicle could decrease. Moreover, the Fund and its shareholders will incur its pro rata share of the underlying vehicles’ expenses.

Large-Capitalization Securities Risk – The Fund is subject to the risk that large-capitalization stocks may underperform other segments of the equity market or the equity market as a whole. Larger, more established companies may be unable to respond quickly to new competitive challenges such as changes in technology and may not be able to attain the high growth rate of smaller companies, especially during extended periods of economic expansion.

Leverage Risk – The Fund’s use of leverage, through borrowings or instruments such as derivatives, may cause the Fund to be more volatile than if it had not been leveraged.

Liquidity and Valuation Risk – In certain circumstances, it may be difficult for the Fund to purchase and sell particular investments within a reasonable time at a fair price, or the price at which it has been valued by the Investment Manager for purposes of the Fund’s net asset value, causing the Fund to be less liquid and unable to realize what the Investment Manager believes should be the price of the investment.

Management Risk – The Fund is actively managed, which means that investment decisions are made based on investment views. There is no guarantee that the investment views will be successful. Furthermore, active trading that can accompany active management, also called “high turnover,” may have a negative impact on performance. Active trading may result in higher brokerage costs or mark-up charges, which are ultimately passed on to shareholders of the Fund.

Market Risk – The market value of the securities held by the Fund may fluctuate resulting from factors affecting the individual company or other factors such as changing economic, political or financial market conditions.

Non-Diversification Risk – The Fund is considered non-diversified because it invests a large portion of its assets in a small number of issuers. As a result, the Fund is more susceptible to risks associated with those issuers than a more diversified portfolio, and its performance may be more volatile.

Regulatory and Legal Risk – U.S. and other regulators and governmental agencies may implement additional regulations and legislators may pass new laws that affect the investments held by the Fund, the strategies used by the Fund or the level of regulation or taxation applying to the Fund (such as regulations related to investments in derivatives). These may impact the investment strategies, performance, costs and operations of the Fund or taxation of shareholders.

Value Stocks Risk – Value stocks are subject to the risk that the intrinsic value of the stock may never be realized by the market or that the price goes down.

Risk Lose Money [Text]

rr_RiskLoseMoney

The value of an investment in the Fund will fluctuate and is subject to investment risks, which means investors could lose money.

Risk Nondiversified Status [Text]

rr_RiskNondiversifiedStatus

Non-Diversification Risk – The Fund is considered non-diversified because it invests a large portion of its assets in a small number of issuers. As a result, the Fund is more susceptible to risks associated with those issuers than a more diversified portfolio, and its performance may be more volatile.

Risk Not Insured Depository Institution [Text]

rr_RiskNotInsuredDepositoryInstitution

An investment in the Fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.

Bar Chart and Performance Table [Heading]

rr_BarChartAndPerformanceTableHeading

PERFORMANCE INFORMATION

Performance Narrative [Text Block]

rr_PerformanceNarrativeTextBlock

The following chart and table provide some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year and by showing how the Fund’s average annual returns for the one year and since inception periods have compared to those of a broad measure of market performance. As with all mutual funds, past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. Updated performance information is available on the Fund’s website at www.guggenheiminvestments.com or by calling  1-800-820-0888.

Performance Information Illustrates Variability of Returns [Text]

rr_PerformanceInformationIllustratesVariabilityOfReturns

The following chart and table provide some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year and by showing how the Fund’s average annual returns for the one year and since inception periods have compared to those of a broad measure of market performance.

Performance Availability Phone [Text]

rr_PerformanceAvailabilityPhone

1-800-820-0888

Performance Availability Website Address [Text]

rr_PerformanceAvailabilityWebSiteAddress

www.guggenheiminvestments.com

Performance Past Does Not Indicate Future [Text]

rr_PerformancePastDoesNotIndicateFuture

As with all mutual funds, past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.

Bar Chart Closing [Text Block]

rr_BarChartClosingTextBlock

Highest Quarter Return	Lowest Quarter Return
2Q 2009 19.40%	3Q 2011 -18.41%

Highest Quarterly Return, Label

rr_HighestQuarterlyReturnLabel

Highest Quarter Return

Highest Quarterly Return, Date

rr_BarChartHighestQuarterlyReturnDate

Jun. 30, 2009

Highest Quarterly Return

rr_BarChartHighestQuarterlyReturn

19.40%

Lowest Quarterly Return, Label

rr_LowestQuarterlyReturnLabel

Lowest Quarter Return

Lowest Quarterly Return, Date

rr_BarChartLowestQuarterlyReturnDate

Sep. 30, 2011

Lowest Quarterly Return

rr_BarChartLowestQuarterlyReturn

(18.41%)

Performance Table Heading

rr_PerformanceTableHeading

AVERAGE ANNUAL TOTAL RETURNS

(For the periods ended December 31, 2012)

Index No Deduction for Fees, Expenses, Taxes [Text]

rr_IndexNoDeductionForFeesExpensesTaxes

(reflects no deductions for fees, expenses or taxes)

Performance Table Uses Highest Federal Rate

rr_PerformanceTableUsesHighestFederalRate

After-tax returns shown in the table are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of any state or local taxes.

Performance Table Not Relevant to Tax Deferred

rr_PerformanceTableNotRelevantToTaxDeferred

Actual after-tax returns depend on an investor’s 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 shown in the table are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of any state or local taxes. Actual after-tax returns depend on an investor’s 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.

Large Cap Value Fund | Class A | Security Large Cap Value Fund Class A,B And C

[RiskReturnAbstract]

rr_RiskReturnAbstract

Maximum Sales Charge (Load) Imposed on Purchases

rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice

4.75%

Maximum Deferred Sales Charge (Load)

rr_MaximumDeferredSalesChargeOverOfferingPrice

none

Management Fees

rr_ManagementFeesOverAssets

0.65%

Distribution and Service (12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

0.25%

Tax Expenses

rr_Component2OtherExpensesOverAssets

0.03%

Remaining Other Expenses

rr_Component3OtherExpensesOverAssets

0.72%

Other Expenses

rr_OtherExpensesOverAssets

0.75%

Total Annual Fund Operating Expenses

rr_ExpensesOverAssets

1.65%

Fee Waiver (and/or expense reimbursement)

rr_FeeWaiverOrReimbursementOverAssets

(0.47%)

^[1]

Total Annual Fund Operating Expenses After Fee Waiver (and/or expense reimbursement)

rr_NetExpensesOverAssets

1.18%

Expense Example, with Redemption, 1 Year

rr_ExpenseExampleYear01

590

3 Years

rr_ExpenseExampleYear03

927

Expense Example, with Redemption, 5 Years

rr_ExpenseExampleYear05

1,287

Expense Example, with Redemption, 10 Years

rr_ExpenseExampleYear10

2,299

Expense Example, No Redemption, 1 Year

rr_ExpenseExampleNoRedemptionYear01

590

Expense Example, No Redemption, 3 Years

rr_ExpenseExampleNoRedemptionYear03

927

Expense Example, No Redemption, 5 Years

rr_ExpenseExampleNoRedemptionYear05

1,287

Expense Example, No Redemption, 10 Years

rr_ExpenseExampleNoRedemptionYear10

2,299

Annual Return 2003

rr_AnnualReturn2003

27.30%

Annual Return 2004

rr_AnnualReturn2004

10.10%

Annual Return 2005

rr_AnnualReturn2005

9.60%

Annual Return 2006

rr_AnnualReturn2006

20.80%

Annual Return 2007

rr_AnnualReturn2007

4.60%

Annual Return 2008

rr_AnnualReturn2008

(38.30%)

Annual Return 2009

rr_AnnualReturn2009

27.20%

Annual Return 2010

rr_AnnualReturn2010

14.30%

Annual Return 2011

rr_AnnualReturn2011

(4.10%)

Annual Return 2012

rr_AnnualReturn2012

15.40%

Label

rr_AverageAnnualReturnLabel

Class A Return Before Taxes

1 Year

rr_AverageAnnualReturnYear01

9.87%

5 Years

rr_AverageAnnualReturnYear05

(1.35%)

10 Years

rr_AverageAnnualReturnYear10

6.13%

Large Cap Value Fund | Class B | Security Large Cap Value Fund Class A,B And C

[RiskReturnAbstract]

rr_RiskReturnAbstract

Maximum Sales Charge (Load) Imposed on Purchases

rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice

none

^[2]

Maximum Deferred Sales Charge (Load)

rr_MaximumDeferredSalesChargeOverOfferingPrice

5.00%

Management Fees

rr_ManagementFeesOverAssets

0.65%

Distribution and Service (12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

1.00%

Tax Expenses

rr_Component2OtherExpensesOverAssets

0.03%

Remaining Other Expenses

rr_Component3OtherExpensesOverAssets

1.25%

Other Expenses

rr_OtherExpensesOverAssets

1.28%

Total Annual Fund Operating Expenses

rr_ExpensesOverAssets

2.93%

Fee Waiver (and/or expense reimbursement)

rr_FeeWaiverOrReimbursementOverAssets

(1.00%)

^[1]

Total Annual Fund Operating Expenses After Fee Waiver (and/or expense reimbursement)

rr_NetExpensesOverAssets

1.93%

Expense Example, with Redemption, 1 Year

rr_ExpenseExampleYear01

696

3 Years

rr_ExpenseExampleYear03

1,113

Expense Example, with Redemption, 5 Years

rr_ExpenseExampleYear05

1,655

Expense Example, with Redemption, 10 Years

rr_ExpenseExampleYear10

2,875

Expense Example, No Redemption, 1 Year

rr_ExpenseExampleNoRedemptionYear01

196

Expense Example, No Redemption, 3 Years

rr_ExpenseExampleNoRedemptionYear03

813

Expense Example, No Redemption, 5 Years

rr_ExpenseExampleNoRedemptionYear05

1,455

Expense Example, No Redemption, 10 Years

rr_ExpenseExampleNoRedemptionYear10

2,875

Label

rr_AverageAnnualReturnLabel

Class B Return Before Taxes

1 Year

rr_AverageAnnualReturnYear01

10.68%

5 Years

rr_AverageAnnualReturnYear05

(0.43%)

10 Years

rr_AverageAnnualReturnYear10

6.42%

Large Cap Value Fund | Class C | Security Large Cap Value Fund Class A,B And C

[RiskReturnAbstract]

rr_RiskReturnAbstract

Maximum Sales Charge (Load) Imposed on Purchases

rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice

none

Maximum Deferred Sales Charge (Load)

rr_MaximumDeferredSalesChargeOverOfferingPrice

1.00%

Management Fees

rr_ManagementFeesOverAssets

0.65%

Distribution and Service (12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

1.00%

Tax Expenses

rr_Component2OtherExpensesOverAssets

0.03%

Remaining Other Expenses

rr_Component3OtherExpensesOverAssets

0.77%

Other Expenses

rr_OtherExpensesOverAssets

0.80%

Total Annual Fund Operating Expenses

rr_ExpensesOverAssets

2.45%

Fee Waiver (and/or expense reimbursement)

rr_FeeWaiverOrReimbursementOverAssets

(0.52%)

^[1]

Total Annual Fund Operating Expenses After Fee Waiver (and/or expense reimbursement)

rr_NetExpensesOverAssets

1.93%

Expense Example, with Redemption, 1 Year

rr_ExpenseExampleYear01

296

3 Years

rr_ExpenseExampleYear03

714

Expense Example, with Redemption, 5 Years

rr_ExpenseExampleYear05

1,259

Expense Example, with Redemption, 10 Years

rr_ExpenseExampleYear10

2,747

Expense Example, No Redemption, 1 Year

rr_ExpenseExampleNoRedemptionYear01

196

Expense Example, No Redemption, 3 Years

rr_ExpenseExampleNoRedemptionYear03

714

Expense Example, No Redemption, 5 Years

rr_ExpenseExampleNoRedemptionYear05

1,259

Expense Example, No Redemption, 10 Years

rr_ExpenseExampleNoRedemptionYear10

2,747

Label

rr_AverageAnnualReturnLabel

Class C Return Before Taxes

1 Year

rr_AverageAnnualReturnYear01

13.49%

5 Years

rr_AverageAnnualReturnYear05

(1.03%)

10 Years

rr_AverageAnnualReturnYear10

5.91%

Large Cap Value Fund | Institutional Class | Security Large Cap Value Institutional Fund

[RiskReturnAbstract]

rr_RiskReturnAbstract

Maximum Sales Charge (Load) Imposed on Purchases

rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice

none

Maximum Deferred Sales Charge (Load)

rr_MaximumDeferredSalesChargeOverOfferingPrice

none

Management Fees

rr_ManagementFeesOverAssets

0.65%

Distribution and Service (12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

none

Tax Expenses

rr_Component2OtherExpensesOverAssets

0.03%

Remaining Other Expenses

rr_Component3OtherExpensesOverAssets

3.41%

Other Expenses

rr_OtherExpensesOverAssets

3.44%

Total Annual Fund Operating Expenses

rr_ExpensesOverAssets

4.09%

Fee Waiver (and/or expense reimbursement)

rr_FeeWaiverOrReimbursementOverAssets

(3.06%)

^[3]

Total Annual Fund Operating Expenses After Fee Waiver (and/or expense reimbursement)

rr_NetExpensesOverAssets

1.03%

Expense Example, with Redemption, 1 Year

rr_ExpenseExampleYear01

105

3 Years

rr_ExpenseExampleYear03

963

Expense Example, with Redemption, 5 Years

rr_ExpenseExampleYear05

1,837

Expense Example, with Redemption, 10 Years

rr_ExpenseExampleYear10

4,093

Annual Return 2009

rr_AnnualReturn2009

26.80%

Annual Return 2010

rr_AnnualReturn2010

16.00%

Annual Return 2011

rr_AnnualReturn2011

(3.30%)

Annual Return 2012

rr_AnnualReturn2012

14.70%

Label

rr_AverageAnnualReturnLabel

Institutional Fund Return Before Taxes

1 Year

rr_AverageAnnualReturnYear01

14.73%

Since Inception

rr_AverageAnnualReturnSinceInception

3.91%

Inception Date

rr_AverageAnnualReturnInceptionDate

Jul. 14, 2008

Large Cap Value Fund | After Taxes On Distributions | Class A | Security Large Cap Value Fund Class A,B And C

[RiskReturnAbstract]

rr_RiskReturnAbstract

Label

rr_AverageAnnualReturnLabel

Class A Return After Taxes on Distributions

1 Year

rr_AverageAnnualReturnYear01

9.52%

5 Years

rr_AverageAnnualReturnYear05

(1.62%)

10 Years

rr_AverageAnnualReturnYear10

5.87%

Large Cap Value Fund | After Taxes On Distributions | Institutional Class | Security Large Cap Value Institutional Fund

[RiskReturnAbstract]

rr_RiskReturnAbstract

Label

rr_AverageAnnualReturnLabel

Institutional Fund Return After Taxes on Distributions

1 Year

rr_AverageAnnualReturnYear01

14.35%

Since Inception

rr_AverageAnnualReturnSinceInception

3.59%

Inception Date

rr_AverageAnnualReturnInceptionDate

Jul. 14, 2008

Large Cap Value Fund | After Taxes On Distributions And Sales | Class A | Security Large Cap Value Fund Class A,B And C

[RiskReturnAbstract]

rr_RiskReturnAbstract

Label

rr_AverageAnnualReturnLabel

Class A Return After Taxes on Distributions and Sale of Fund Shares

1 Year

rr_AverageAnnualReturnYear01

6.41%

5 Years

rr_AverageAnnualReturnYear05

(1.30%)

10 Years

rr_AverageAnnualReturnYear10

5.26%

Large Cap Value Fund | After Taxes On Distributions And Sales | Institutional Class | Security Large Cap Value Institutional Fund

[RiskReturnAbstract]

rr_RiskReturnAbstract

Label

rr_AverageAnnualReturnLabel

Institutional Fund Return After Taxes on Distributions and Sale of Fund Shares

1 Year

rr_AverageAnnualReturnYear01

9.57%

Since Inception

rr_AverageAnnualReturnSinceInception

3.15%

Inception Date

rr_AverageAnnualReturnInceptionDate

Jul. 14, 2008

Large Cap Value Fund | Russell 1000 Value Index | Security Large Cap Value Fund Class A,B And C

[RiskReturnAbstract]

rr_RiskReturnAbstract

Label

rr_AverageAnnualReturnLabel

Russell 1000 Value Index (reflects no deductions for fees, expenses or taxes)

1 Year

rr_AverageAnnualReturnYear01

17.51%

5 Years

rr_AverageAnnualReturnYear05

0.59%

10 Years

rr_AverageAnnualReturnYear10

7.38%

Large Cap Value Fund | Russell 1000 Value Index | Security Large Cap Value Institutional Fund

[RiskReturnAbstract]

rr_RiskReturnAbstract

Label

rr_AverageAnnualReturnLabel

Russell 1000 Value Index (reflects no deductions for fees, expenses or taxes)

1 Year

rr_AverageAnnualReturnYear01

17.51%

Since Inception

rr_AverageAnnualReturnSinceInception

4.91%

Inception Date

rr_AverageAnnualReturnInceptionDate

Jul. 14, 2008

[1] The Investment Manager has contractually agreed through February 1, 2014 to waive fees and or reimburse expenses to the extent necessary to limit the ordinary operating expenses (including distribution (12b-1) fees, but exclusive of brokerage costs, dividends on securities sold short, acquired fund fees and expenses, interest, taxes, litigation, indemnification, and extraordinary expenses) ('Operating Expenses') of the Fund to the annual percentage of average daily net assets for each class of shares as follows: Class A - 1.15%, Class B - 1.90% and Class C - 1.90%. The Fund may have 'Total annual fund operating expenses after fee waiver' greater than the expense cap as a result of any acquired fund fees and expenses or other expenses that are excluded from the calculation. The Investment Manager is entitled to reimbursement by the Fund of fees waived during any of the previous 36 months beginning on the date of the expense limitation agreement. The agreement will expire when it reaches its termination or when the investment adviser ceases to serve as such (subject to recoupment rights).

[2] Closed to new subscriptions

[3] The Investment Manager has contractually agreed through February 1, 2014 to waive fees and or reimburse expenses to the extent necessary to limit the ordinary operating expenses (including distribution (12b-1) fees, but exclusive of brokerage costs, dividends on securities sold short, acquired fund fees and expenses, interest, taxes, litigation, indemnification, and extraordinary expenses) ('Operating Expenses') of the Fund to the annual percentage of 0.96% of the average daily net assets for the Fund. The Fund may have 'Total annual fund operating expenses after fee waiver' greater than the expense cap as a result of any acquired fund fees and expenses or other expenses that are excluded from the calculation. The Investment Manager is entitled to reimbursement by the Fund of fees waived during any of the previous 36 months beginning on the date of the expense limitation agreement. The agreement will expire when it reaches its termination or when the investment adviser ceases to serve as such (subject to rec