v3.26.1
Description of the Plan (Narrative) (Details) - EBP 007 - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
EBP, Description of Plan    
Maximum contribution by participant (percent) 50.00%  
Maximum catch-up contribution by participant (percent) 3.00%  
Vesting percentage (percent) 100.00%  
Forfeited nonvested account $ 321,198 $ 234,843
Decrease related to forfeiture of nonvested account 318,992  
Decrease related to administrative expenses in nonvested forfeited accounts $ 90,202  
Maximum notes receivable borrowing (percentage) 50.00%  
Maximum notes receivable borrowing $ 50,000  
EBP, Asset Held for Investment, Participant Loan, Interest Rate 4.25% 9.50%
Donaldson Company, Inc. Common Stock Fund    
EBP, Description of Plan    
Maximum contribution by participant (percent) 15.00%