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Risk/Return: rr_RiskReturnAbstract  
Registrant Name dei_EntityRegistrantName CALAMOS INVESTMENT TRUST/IL
Prospectus Date rr_ProspectusDate Mar. 01, 2019
Calamos Growth Fund  
Risk/Return: rr_RiskReturnAbstract  
Risk/Return [Heading] rr_RiskReturnHeading Calamos Growth Fund
Objective [Heading] rr_ObjectiveHeading Investment Objective
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock Calamos Growth Fund’s investment objective is long-term capital growth.
Expense [Heading] rr_ExpenseHeading Fees and Expenses of the Fund
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock The following 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 on purchases of Class A if you and your family invest, or agree to invest in the future, at least $50,000 in Calamos Funds. More information about these and other discounts is available from your financial professional and under “Fund Facts — What classes of shares do the Funds offer?” on page 123 of the Fund’s prospectus, in the Appendix to this prospectus and “Share Classes and Pricing of Shares” on page 73 of the Fund’s statement of additional information.
Shareholder Fees Caption [Text] rr_ShareholderFeesCaption <b>Shareholder Fees (fees paid directly from your investment):</b>
Operating Expenses Caption [Text] rr_OperatingExpensesCaption <b>Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment):</b>
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 the 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 71.7% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 71.70%
Expense Breakpoint Discounts [Text] rr_ExpenseBreakpointDiscounts You may qualify for sales charge discounts on purchases of Class A if you and your family invest, or agree to invest in the future, at least $50,000 in Calamos Funds. More information about these and other discounts is available from your financial professional and under “Fund Facts — What classes of shares do the Funds offer?” on page 123 of the Fund’s prospectus, in the Appendix to this prospectus and “Share Classes and Pricing of Shares” on page 73 of the Fund’s statement of additional information.
Expense Breakpoint, Minimum Investment Required [Amount] rr_ExpenseBreakpointMinimumInvestmentRequiredAmount $ 50,000
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 either redeem or do not redeem your shares at the end of the reflected time periods. The example also assumes that your investment has a 5% return each year, that all dividends and capital gain distributions are reinvested, that you pay a maximum initial or contingent deferred sales charge and that the Fund’s operating expenses remain the same. Although your actual performance and costs may be higher or lower, based on these assumptions, your costs would be:
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption You would pay the following expenses if you redeemed your shares at the end of the period:
Expense Example, No Redemption, By Year, Caption [Text] rr_ExpenseExampleNoRedemptionByYearCaption You would pay the following expenses if you did not redeem your shares:
Strategy [Heading] rr_StrategyHeading Principal Investment Strategies
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock The Fund invests primarily in equity securities issued by U.S. companies. The Fund currently anticipates that substantially all of its portfolio will consist of securities of companies with large and mid-sized market capitalizations. The Fund’s investment adviser generally defines a large cap company to have a market capitalization in excess of $25 billion and a mid-sized company to have a market capitalization greater than $1 billion, up to $25 billion. The Fund may invest up to 25% of its net assets in foreign securities. Foreign securities are securities issued by issuers that are organized under the laws of a foreign country or that have a substantial portion of their operations or assets in a foreign country or countries, or that derive a substantial portion of their revenue or profits from businesses, investments or sales outside of the United States. The Fund may also invest in foreign securities that are represented in the United States securities markets by American Depositary Receipts (“ADRs”) or similar depository arrangements. The Fund’s foreign debt investments can be denominated in U.S. dollars or in foreign currencies. Debt securities issued by a foreign government may not be supported by the “full faith and credit” of that government.

In pursuing its investment objective, the Fund seeks out securities that, in the investment adviser’s opinion, offer the best opportunities for growth. The Fund’s investment adviser typically considers the company’s financial soundness, earnings and cash flow forecast and quality of management. The Fund’s investment adviser seeks to lower the risks of investing in stocks by using a “top-down approach” of diversification by company, industry, sector, country and currency and focusing on macro-level investment themes.
Risk [Heading] rr_RiskHeading Principal Risks
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock An investment in the Fund is subject to risks, and you could lose money on your investment in the Fund. There can be no assurance that the Fund will achieve its investment objective. The risks associated with an investment in the Fund can increase during times of significant market volatility. Your investment in the Fund is not a deposit in a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. The principal risks of investing in the Fund include:
  • American Depositary Receipts Risk — The stocks of most foreign companies that trade in the U.S. markets are traded as American Depositary Receipts (ADRs). U.S. depositary banks issue these stocks. Each ADR represents one or more shares of foreign stock or a fraction of a share. The price of an ADR corresponds to the price of the foreign stock in its home market, adjusted to the ratio of the ADRs to foreign company shares. Therefore while purchasing a security on a U.S. exchange, the risks inherently associated with foreign investing still apply to ADRs.
  • Equity Securities Risk — The securities markets are volatile, and the market prices of the Fund’s securities may decline generally. The price of equity securities fluctuates based on changes in a company’s financial condition and overall market and economic conditions. If the market prices of the securities owned by the Fund fall, the value of your investment in the Fund will decline.
  • Foreign Securities Risk — Risks associated with investing in foreign securities include fluctuations in the exchange rates of foreign currencies that may affect the U.S. dollar value of a security, the possibility of substantial price volatility as a result of political and economic instability in the foreign country, less public information about issuers of securities, different securities regulation, different accounting, auditing and financial reporting standards and less liquidity than in U.S. markets.
  • Forward Foreign Currency Contract Risk — Forward foreign currency contracts are contractual agreements to purchase or sell a specified currency at a specified future date (or within a specified time period) at a price set at the time of the contract. The Fund may not fully benefit from, or may lose money on, forward foreign currency transactions if changes in currency exchange rates do not occur as anticipated or do not correspond accurately to changes in the value of the Fund’s holdings.
  • Growth Stock Risk — Growth securities typically trade at higher multiples of current earnings than other securities and, therefore, may be more sensitive to changes in current or expected earnings than other equity securities and may be more volatile.
  • Mid-Sized Company Risk — Mid-sized company stocks have historically been subject to greater investment risk than large company stocks. The prices of mid-sized company stocks tend to be more volatile than prices of large company stocks.
  • Options Risk — The Fund’s ability to close out its position as a purchaser or seller of an over-the-counter or exchange-listed put or call option is dependent, in part, upon the liquidity of the option market. There are significant differences between the securities and options markets that could result in an imperfect correlation among these markets, causing a given transaction not to achieve its objectives. The Fund’s ability to utilize options successfully will depend on the ability of the Fund’s investment adviser to predict pertinent market movements, which cannot be assured.
  • Portfolio Selection Risk — The value of your investment may decrease if the investment adviser’s judgment about the attractiveness, value or market trends affecting a particular security, issuer, industry or sector or about market movements is incorrect.
  • Portfolio Turnover Risk — The portfolio managers may actively and frequently trade securities or other instruments in the Fund’s portfolio to carry out its investment strategies. A high portfolio turnover rate increases transaction costs, which may increase the Fund’s expenses. Frequent and active trading may also cause adverse tax consequences for investors in the Fund due to an increase in short-term capital gains.
  • Sector Risk — To the extent the Fund invests a significant portion of its assets in a particular sector, a greater portion of the Fund’s performance may be affected by the general business and economic conditions affecting that sector. Each sector may share economic risk with the broader market, however there may be economic risks specific to each sector. As a result, returns from those sectors may trail returns from the overall stock market and it is possible that the Fund may underperform the broader market, or experience greater volatility.
  • Securities Lending Risk — The Fund may lend its portfolio securities to broker-dealers and banks in order to generate additional income for the Fund. Any such loan must be continuously secured by collateral in cash or cash equivalents maintained on a current basis in an amount at least equal to the market value of the securities loaned by the Fund. In the event of bankruptcy or other default of a borrower of portfolio securities, the Fund could experience both delays in liquidating the loan collateral or recovering the loaned securities and losses, including (a) possible decline in the value of the collateral or in the value of the securities loaned during the period while the Fund seeks to enforce its rights thereto, (b) possible subnormal levels of income and lack of access to income during this period, and (c) expenses of enforcing its rights. In an effort to reduce these risks, the Fund’s securities lending agent monitors, and reports to Calamos Advisors on, the creditworthiness of the firms to which a Fund lends securities. The Fund may also experience losses as a result of a diminution in value of its cash collateral investments.
Risk Lose Money [Text] rr_RiskLoseMoney An investment in the Fund is subject to risks, and you could lose money on your investment in the Fund.
Risk Not Insured Depository Institution [Text] rr_RiskNotInsuredDepositoryInstitution Your investment in the Fund is not a deposit in 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 Fund Performance
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock The following bar chart and table indicate the risks of investing in the Fund by showing changes in the Fund’s performance from calendar year to calendar year and how the Fund’s average annual total returns compare with those of a broad measure of market performance. All returns include the reinvestment of dividends and distributions. As always, please note that the Fund’s past performance (before and after taxes) cannot predict how it will perform in the future. Updated performance information is available at no cost by visiting www.calamos.com or by calling 800.582.6959.
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The following bar chart and table indicate the risks of investing in the Fund by showing changes in the Fund’s performance from calendar year to calendar year and how the Fund’s average annual total returns compare with those of a broad measure of market performance.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone 800.582.6959
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.calamos.com
Performance Past Does Not Indicate Future [Text] rr_PerformancePastDoesNotIndicateFuture As always, please note that the Fund’s past performance (before and after taxes) cannot predict how it will perform in the future.
Bar Chart [Heading] rr_BarChartHeading <b>CLASS I ANNUAL TOTAL RETURN FOR YEARS ENDED 12.31</b>
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Highest Quarterly Return:   21.30% (6.30.09)      Lowest Quarterly Return:   -19.05% (9.30.11)
Performance Table Heading rr_PerformanceTableHeading Average Annual Total Returns as of 12.31.18
Performance Table Market Index Changed rr_PerformanceTableMarketIndexChanged Effective October 1, 2018, the S&P 1500 Growth Index replaced the Russell Midcap<sup>®</sup> Growth Index as the Fund’s primary benchmark because the Fund’s portfolio managers believe the S&P 1500 Growth Index more closely represents the Fund’s investment universe. The S&P 1500 Index is a composite index that includes securities that account for 90% of the total market capitalization of the U.S.’s stocks. The index includes small, mid and large cap stocks. The S&P 1500 Growth Index is a subset of the securities appearing in the S&P 1500 Index, which includes the S&P 500, S&P 400, and S&P 600 indices. The S&P 1500 Growth Index is designed to provide investors with a measure of the performance of U.S. growth equities. The S&P 500 Index is provided as it is generally representative of the U.S. stock market. The Russell Midcap<sup>®</sup> Growth Index measures the performance of those Russell Midcap companies with higher price-to-book ratios and higher growth values.
Performance Table Uses Highest Federal Rate rr_PerformanceTableUsesHighestFederalRate are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred Actual after-tax returns depend on an investor’s tax situation and may differ from those shown, and the after-tax returns shown are not relevant to investors who hold their Fund shares through tax-advantaged arrangements, such as 401(k) plans or individual retirement accounts.
Performance Table One Class of after Tax Shown [Text] rr_PerformanceTableOneClassOfAfterTaxShown The after-tax returns are shown only for Class I shares<br/><br/>After-tax returns for classes other than Class I will vary from returns shown for Class I.
Performance Table Explanation after Tax Higher rr_PerformanceTableExplanationAfterTaxHigher “Return After Taxes on Distributions and Sale of Fund Shares” may be higher than other returns for the same period due to a tax benefit of realizing a capital loss on the sale of Fund shares.
Performance Table Narrative rr_PerformanceTableNarrativeTextBlock The following table shows how the Fund’s average annual performance (before and after taxes) for the one-, five- and ten-year periods ended December 31, 2018 and since the Fund’s inception compared with broad measures of market performance. “Since Inception” returns shown for each index are returns since the inception of the Fund’s Class A shares, or since the nearest subsequent month end when comparative index data is available only for full monthly periods. The after-tax returns show the impact of assumed federal income taxes on an investment in the Fund. “Return After Taxes on Distributions” shows the effect of taxable distributions, but assumes that you still hold the Fund shares at the end of the period and so do not have any taxable gain or loss on your investment. “Return After Taxes on Distributions and Sale of Fund Shares” shows the effect of taxable distributions and any taxable gain or loss that would be realized if the Fund shares were purchased at the beginning and sold at the end of the specified period.

The after-tax returns are shown only for Class I shares, and are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown, and the after-tax returns shown are not relevant to investors who hold their Fund shares through tax-advantaged arrangements, such as 401(k) plans or individual retirement accounts. After-tax returns for classes other than Class I will vary from returns shown for Class I. “Return After Taxes on Distributions and Sale of Fund Shares” may be higher than other returns for the same period due to a tax benefit of realizing a capital loss on the sale of Fund shares.
Performance Table Closing [Text Block] rr_PerformanceTableClosingTextBlock Effective October 1, 2018, the S&P 1500 Growth Index replaced the Russell Midcap® Growth Index as the Fund’s primary benchmark because the Fund’s portfolio managers believe the S&P 1500 Growth Index more closely represents the Fund’s investment universe. The S&P 1500 Index is a composite index that includes securities that account for 90% of the total market capitalization of the U.S.’s stocks. The index includes small, mid and large cap stocks. The S&P 1500 Growth Index is a subset of the securities appearing in the S&P 1500 Index, which includes the S&P 500, S&P 400, and S&P 600 indices. The S&P 1500 Growth Index is designed to provide investors with a measure of the performance of U.S. growth equities. The S&P 500 Index is provided as it is generally representative of the U.S. stock market. The Russell Midcap® Growth Index measures the performance of those Russell Midcap companies with higher price-to-book ratios and higher growth values.
Average Annual Return, Caption rr_AverageAnnualReturnCaption <b>AVERAGE ANNUAL TOTAL RETURNS — FOR THE PERIODS ENDED 12.31.18</b>
Calamos Growth Fund | Class A  
Risk/Return: rr_RiskReturnAbstract  
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice 4.75%
Maximum Deferred Sales Charge (Load) (as a percentage of the lesser of the redemption price or offering price) rr_MaximumDeferredSalesChargeOverOther none
Management Fees rr_ManagementFeesOverAssets 0.89%
Distribution and/or Service Fees (12b-1) rr_DistributionAndService12b1FeesOverAssets 0.25%
Other Expenses rr_OtherExpensesOverAssets 0.15%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.29%
One Year rr_ExpenseExampleYear01 $ 600
Three Years rr_ExpenseExampleYear03 865
Five Years rr_ExpenseExampleYear05 1,149
Ten Years rr_ExpenseExampleYear10 1,958
One Year rr_ExpenseExampleNoRedemptionYear01 600
Three Years rr_ExpenseExampleNoRedemptionYear03 865
Five Years rr_ExpenseExampleNoRedemptionYear05 1,149
Ten Years rr_ExpenseExampleNoRedemptionYear10 $ 1,958
ONE YEAR rr_AverageAnnualReturnYear01 (10.34%)
FIVE YEAR rr_AverageAnnualReturnYear05 4.41%
TEN YEAR rr_AverageAnnualReturnYear10 11.64%
SINCE INCEPTION rr_AverageAnnualReturnSinceInception 12.02%
INCEPTION DATE OF CLASS rr_AverageAnnualReturnInceptionDate Sep. 04, 1990
Calamos Growth Fund | Class C  
Risk/Return: rr_RiskReturnAbstract  
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (Load) (as a percentage of the lesser of the redemption price or offering price) rr_MaximumDeferredSalesChargeOverOther 1.00%
Management Fees rr_ManagementFeesOverAssets 0.89%
Distribution and/or Service Fees (12b-1) rr_DistributionAndService12b1FeesOverAssets 1.00%
Other Expenses rr_OtherExpensesOverAssets 0.15%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 2.04%
One Year rr_ExpenseExampleYear01 $ 307
Three Years rr_ExpenseExampleYear03 640
Five Years rr_ExpenseExampleYear05 1,099
Ten Years rr_ExpenseExampleYear10 2,369
One Year rr_ExpenseExampleNoRedemptionYear01 207
Three Years rr_ExpenseExampleNoRedemptionYear03 640
Five Years rr_ExpenseExampleNoRedemptionYear05 1,099
Ten Years rr_ExpenseExampleNoRedemptionYear10 $ 2,369
ONE YEAR rr_AverageAnnualReturnYear01 (7.32%)
FIVE YEAR rr_AverageAnnualReturnYear05 4.64%
TEN YEAR rr_AverageAnnualReturnYear10 11.34%
SINCE INCEPTION rr_AverageAnnualReturnSinceInception 10.70%
INCEPTION DATE OF CLASS rr_AverageAnnualReturnInceptionDate Sep. 03, 1996
Calamos Growth Fund | Class I  
Risk/Return: rr_RiskReturnAbstract  
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (Load) (as a percentage of the lesser of the redemption price or offering price) rr_MaximumDeferredSalesChargeOverOther none
Management Fees rr_ManagementFeesOverAssets 0.89%
Distribution and/or Service Fees (12b-1) rr_DistributionAndService12b1FeesOverAssets none
Other Expenses rr_OtherExpensesOverAssets 0.15%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.04%
One Year rr_ExpenseExampleYear01 $ 106
Three Years rr_ExpenseExampleYear03 331
Five Years rr_ExpenseExampleYear05 574
Ten Years rr_ExpenseExampleYear10 1,271
One Year rr_ExpenseExampleNoRedemptionYear01 106
Three Years rr_ExpenseExampleNoRedemptionYear03 331
Five Years rr_ExpenseExampleNoRedemptionYear05 574
Ten Years rr_ExpenseExampleNoRedemptionYear10 $ 1,271
2009 rr_AnnualReturn2009 52.85% [1]
2010 rr_AnnualReturn2010 20.37% [1]
2011 rr_AnnualReturn2011 (8.84%) [1]
2012 rr_AnnualReturn2012 9.62% [1]
2013 rr_AnnualReturn2013 33.47% [1]
2014 rr_AnnualReturn2014 8.71% [1]
2015 rr_AnnualReturn2015 3.28% [1]
2016 rr_AnnualReturn2016 (1.91%) [1]
2017 rr_AnnualReturn2017 26.90% [1]
2018 rr_AnnualReturn2018 (5.64%) [1]
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel <b>Highest Quarterly Return:</b>
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Jun. 30, 2009
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 21.30%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel <b>Lowest Quarterly Return:</b>
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Sep. 30, 2011
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (19.05%)
ONE YEAR rr_AverageAnnualReturnYear01 (5.64%)
FIVE YEAR rr_AverageAnnualReturnYear05 5.69%
TEN YEAR rr_AverageAnnualReturnYear10 12.46%
SINCE INCEPTION rr_AverageAnnualReturnSinceInception 10.19%
INCEPTION DATE OF CLASS rr_AverageAnnualReturnInceptionDate Sep. 18, 1997
Calamos Growth Fund | Return after taxes on distributions | Class I  
Risk/Return: rr_RiskReturnAbstract  
ONE YEAR rr_AverageAnnualReturnYear01 (8.52%) [2]
FIVE YEAR rr_AverageAnnualReturnYear05 2.31% [2]
TEN YEAR rr_AverageAnnualReturnYear10 9.85% [2]
SINCE INCEPTION rr_AverageAnnualReturnSinceInception 8.21% [2]
INCEPTION DATE OF CLASS rr_AverageAnnualReturnInceptionDate Sep. 18, 1997 [2]
Calamos Growth Fund | Return after taxes on distributions and sale of Fund shares | Class I  
Risk/Return: rr_RiskReturnAbstract  
ONE YEAR rr_AverageAnnualReturnYear01 (1.98%) [2]
FIVE YEAR rr_AverageAnnualReturnYear05 4.01% [2]
TEN YEAR rr_AverageAnnualReturnYear10 10.06% [2]
SINCE INCEPTION rr_AverageAnnualReturnSinceInception 8.29% [2]
INCEPTION DATE OF CLASS rr_AverageAnnualReturnInceptionDate Sep. 18, 1997 [2]
Calamos Growth Fund | S&P 1500 Growth Index  
Risk/Return: rr_RiskReturnAbstract  
ONE YEAR rr_AverageAnnualReturnYear01 (0.82%)
FIVE YEAR rr_AverageAnnualReturnYear05 10.17%
TEN YEAR rr_AverageAnnualReturnYear10 14.83%
SINCE INCEPTION rr_AverageAnnualReturnSinceInception
Calamos Growth Fund | S&P 500 Index  
Risk/Return: rr_RiskReturnAbstract  
ONE YEAR rr_AverageAnnualReturnYear01 (4.38%)
FIVE YEAR rr_AverageAnnualReturnYear05 8.49%
TEN YEAR rr_AverageAnnualReturnYear10 13.12%
SINCE INCEPTION rr_AverageAnnualReturnSinceInception 9.77%
Calamos Growth Fund | Russell Midcap® Growth Index  
Risk/Return: rr_RiskReturnAbstract  
ONE YEAR rr_AverageAnnualReturnYear01 (4.75%)
FIVE YEAR rr_AverageAnnualReturnYear05 7.42%
TEN YEAR rr_AverageAnnualReturnYear10 15.12%
SINCE INCEPTION rr_AverageAnnualReturnSinceInception 10.47%
[1] Annual returns for Class I are provided because Class I shares represent the largest percentage of assets in the Calamos Family of Funds.
[2] Returns after taxes for Class I are provided because Class I shares represent the largest percentage of assets in the Calamos Family of Funds.