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Aristotle Floating Rate Income Fund  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk/Return [Heading] rr_RiskReturnHeading ARISTOTLE FLOATING RATE INCOME FUND
Supplement to Prospectus [Text Block] rr_SupplementToProspectusTextBlock
Aristotle Funds logo_shaded grey_grey Funds.jpg

ARISTOTLE FLOATING RATE INCOME FUND (THE “FUND”)
a series of Aristotle Funds Series Trust (the “Trust”)
Supplement dated April 1, 2024 to the Summary Prospectus and Prospectus dated October 19, 2023,
as may be supplemented and/or revised from time to time, as it relates to the Fund.
Effective April 1, 2024, the following changes have been made to the Fund’s Advisory Fee and Supervision and Administration Fee rates: (i) the Fund’s Advisory Fee applicable to all share classes has been reduced from 0.62% to 0.55%; (ii) the Supervision and Administration Fee for Class A, Class C and Class I-2 has been increased from 0.13% to 0.20%; and (iii) the Supervision and Administration Fee for Class I has been increased from 0.05% to 0.12%. As a result, there has been no change to the Fund’s total Management Fee for any share class.
Effective April 1, 2024, all references to the Fund’s Advisory Fee and Supervision and Administration Fee rates in the Summary Prospectus and Prospectus are hereby revised to reflect the changes described herein. Further, the Fees and Expenses of the Fund tables and Examples in the Summary Prospectus and the “Fund Summaries - Aristotle Floating Rate Income Fund” section of the Prospectus are hereby restated to reflect the changes described herein, as set forth below.
Expense [Heading] rr_ExpenseHeading Fees and Expenses of the Fund
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock
The tables that follow describe the fees and expenses that you may pay if you buy, hold, and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the table and examples below. If these fees were included, the fees and expenses shown would be higher. 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 Class A shares of eligible Funds of the Trust. More information about these and other discounts is available from your financial professional and in the Overview of the Share Classes section on page 114 in the Fund’s prospectus (the “Prospectus”) and in the appendix to this Prospectus titled Variations in Sales Charge Waivers and Discounts Available Through Specific Financial Intermediaries.

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 July 31, 2025
Acquired Fund Fees and Expenses, Based on Estimates [Text] rr_AcquiredFundFeesAndExpensesBasedOnEstimates Acquired Fund Fees and Expenses are expenses incurred indirectly by the Fund through its ownership of shares in other investment companies and have been estimated based on expected allocations to underlying funds.
Expenses Other Expenses Had Extraordinary Expenses Been Included [Text] rr_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded “Other Expenses” include interest expense of 0.01%. Interest expense is borne by the Fund separately from the management fees paid to Aristotle Investment Services, LLC.
Expense Example [Heading] rr_ExpenseExampleHeading Examples
Expense Example Narrative [Text Block] rr_ExpenseExampleNarrativeTextBlock
The examples are intended to help you compare the cost of investing in the Fund with the cost of investing in other Funds of the Trust or other mutual funds. Each Example assumes that you invest $10,000 in the noted share class of the Fund for the time periods indicated, that your investment has a 5% return each year, and that the Fund’s annual operating expenses remain as stated in the previous table for the time periods shown, except for the ten-year amounts for Class C shares that reflect the conversion to Class A shares six years after the end of the calendar month in which the shares were purchased and the fee waiver (expense limitation), which is only reflected for the contractual periods. Although your actual costs may be higher or lower, the examples show what your costs would be based on these assumptions.
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption Your expenses (in dollars) if you SELL your shares
Expense Example, No Redemption, By Year, Caption [Text] rr_ExpenseExampleNoRedemptionByYearCaption Your expenses (in dollars) if you DON’T SELL your shares
Supplement Closing [Text Block] ck0001959372_SupplementClosing
Please retain this Supplement with your Summary Prospectus and Prospectus for future reference.
Aristotle Floating Rate Income Fund | Class A  
Prospectus [Line Items] rr_ProspectusLineItems  
Trading Symbol dei_TradingSymbol PLFLX
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice 3.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.75% [1]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.01% [2]
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.02% [3]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.03%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.01%) [4]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 1.02%
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 Class A shares of eligible Funds of the Trust.
Expense Breakpoint, Minimum Investment Required [Amount] rr_ExpenseBreakpointMinimumInvestmentRequiredAmount $ 100,000
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 401
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 616
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 850
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 1,520
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 401
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 616
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 850
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 1,520
Aristotle Floating Rate Income Fund | Class C  
Prospectus [Line Items] rr_ProspectusLineItems  
Trading Symbol dei_TradingSymbol PLBCX
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice 1.00%
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.75% [1]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.01% [2]
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.02% [3]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.78%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.01%) [4]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 1.77%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 280
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 558
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 963
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 2,093
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 180
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 558
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 963
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 2,093
Aristotle Floating Rate Income Fund | Class I  
Prospectus [Line Items] rr_ProspectusLineItems  
Trading Symbol dei_TradingSymbol PLFRX
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.67% [1]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.01% [2]
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.02% [3]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 0.70%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets none [4]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 0.70%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 72
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 224
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 390
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 871
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 72
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 224
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 390
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 871
Aristotle Floating Rate Income Fund | Class I-2  
Prospectus [Line Items] rr_ProspectusLineItems  
Trading Symbol dei_TradingSymbol PLFDX
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.75% [1]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.01% [2]
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.02% [3]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 0.78%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.01%) [4]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 0.77%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 79
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 247
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 431
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 964
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 79
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 247
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 431
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 964
[1]
The Management Fee consists of an Advisory Fee and a Supervision and Administration Fee paid to Aristotle Investment Services, LLC. The Advisory Fee is borne by the Fund at the same annual rate for all share classes of 0.55% of the average net assets. The Supervision and Administration Fee is borne separately by each class at an annual rate of 0.20% for Class A, Class C and Class I-2 and 0.12% for Class I of the average net assets of the class.
[2] “Other Expenses” include interest expense of 0.01%. Interest expense is borne by the Fund separately from the management fees paid to Aristotle Investment Services, LLC.
[3] Acquired Fund Fees and Expenses are expenses incurred indirectly by the Fund through its ownership of shares in other investment companies and have been estimated based on expected allocations to underlying funds.
[4]
Aristotle Investment Services, LLC has contractually agreed, through July 31, 2025, to waive its management fees to the extent that the Fund’s Total Annual Fund Operating Expenses exceed 1.02% for Class A, 1.77% for Class C, 0.72% for Class I and 0.77% for Class I-2. Aristotle Investment Services, LLC may not recoup these waivers in future periods.