v3.25.2
Expense Example - Putnam Floating Rate Income Fund
Jun. 30, 2025
USD ($)
Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 325
Expense Example, with Redemption, 3 Years 536
Expense Example, with Redemption, 5 Years 765
Expense Example, with Redemption, 10 Years 1,422
Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 278
Expense Example, with Redemption, 3 Years 551
Expense Example, with Redemption, 5 Years 949
Expense Example, with Redemption, 10 Years 1,864
Class R  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 127
Expense Example, with Redemption, 3 Years 397
Expense Example, with Redemption, 5 Years 686
Expense Example, with Redemption, 10 Years 1,511
Class R6  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 70
Expense Example, with Redemption, 3 Years 221
Expense Example, with Redemption, 5 Years 384
Expense Example, with Redemption, 10 Years 859
Class Y  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 77
Expense Example, with Redemption, 3 Years 240
Expense Example, with Redemption, 5 Years 417
Expense Example, with Redemption, 10 Years $ 930