v3.26.1
Expense Example - Putnam Floating Rate Income Fund
Feb. 28, 2026
USD ($)
Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 276
Expense Example, with Redemption, 3 Years 546
Expense Example, with Redemption, 5 Years 940
Expense Example, with Redemption, 10 Years 1,844
Class R  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 125
Expense Example, with Redemption, 3 Years 390
Expense Example, with Redemption, 5 Years 675
Expense Example, with Redemption, 10 Years 1,487
Class Y  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 75
Expense Example, with Redemption, 3 Years 234
Expense Example, with Redemption, 5 Years 407
Expense Example, with Redemption, 10 Years 908
Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 323
Expense Example, with Redemption, 3 Years 531
Expense Example, with Redemption, 5 Years 755
Expense Example, with Redemption, 10 Years 1,400
Class R6  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 68
Expense Example, with Redemption, 3 Years 214
Expense Example, with Redemption, 5 Years 373
Expense Example, with Redemption, 10 Years $ 834