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S000034097 [Member] Investment Objectives and Goals - Loomis Sayles Senior Floating Rate and Fixed Income Fund
Nov. 30, 2025
Prospectus [Line Items]  
Risk/Return [Heading] Loomis Sayles Senior Floating Rate and Fixed Income Fund
Objective [Heading] Investment Goal
Objective, Primary [Text Block]
The Fund seeks to provide a high level of current income.