v3.26.1
Investments (Details) - EBP 007 - USD ($)
Dec. 31, 2025
Dec. 31, 2024
Investments    
Investments, at fair value $ 927,731,551 $ 812,396,436
Investment, Identifier [Axis]: American Beacon Small Cap Value    
Investments    
Investments, at fair value 8,755,621  
Investment, Identifier [Axis]: BlackRock Total Return    
Investments    
Investments, at fair value 20,209,742  
Investment, Identifier [Axis]: Boston Partners Large Cap Value    
Investments    
Investments, at fair value 38,126,237  
Investment, Identifier [Axis]: Brokeragelink Fund    
Investments    
Investments, at fair value 11,691,478  
Investment, Identifier [Axis]: Dodge & Cox International    
Investments    
Investments, at fair value 15,342,300  
Investment, Identifier [Axis]: Donaldson Company, Inc. Common Stock Fund    
Investments    
Investments, at fair value 210,973,632 177,822,400
Investment, Identifier [Axis]: Fidelity Contrafund Pool    
Investments    
Investments, at fair value 159,304,101 $ 145,639,354
Investment, Identifier [Axis]: Fidelity Diversified International K6    
Investments    
Investments, at fair value 20,992,349  
Investment, Identifier [Axis]: Fidelity Government Money Market    
Investments    
Investments, at fair value 101,820  
Investment, Identifier [Axis]: Fidelity Managed Income Portfolio II Fund    
Investments    
Investments, at fair value 23,793,274  
Investment, Identifier [Axis]: Hood River Small Cap Growth Fund    
Investments    
Investments, at fair value 26,808,396  
Investment, Identifier [Axis]: Legal & General MSCI EAFE Fund    
Investments    
Investments, at fair value 6,932,159  
Investment, Identifier [Axis]: Legal & General Russell 3000 Fund    
Investments    
Investments, at fair value 75,466,631  
Investment, Identifier [Axis]: Schroder U.S. Small Cap Equity Trust    
Investments    
Investments, at fair value 17,978,981  
Investment, Identifier [Axis]: State Street Target Retirement 2025    
Investments    
Investments, at fair value 24,256,830  
Investment, Identifier [Axis]: State Street Target Retirement 2030    
Investments    
Investments, at fair value 49,281,516  
Investment, Identifier [Axis]: State Street Target Retirement 2035    
Investments    
Investments, at fair value 51,782,689  
Investment, Identifier [Axis]: State Street Target Retirement 2040    
Investments    
Investments, at fair value 46,849,076  
Investment, Identifier [Axis]: State Street Target Retirement 2045    
Investments    
Investments, at fair value 29,313,462  
Investment, Identifier [Axis]: State Street Target Retirement 2050    
Investments    
Investments, at fair value 29,452,236  
Investment, Identifier [Axis]: State Street Target Retirement 2055    
Investments    
Investments, at fair value 22,499,407  
Investment, Identifier [Axis]: State Street Target Retirement 2060    
Investments    
Investments, at fair value 13,725,467  
Investment, Identifier [Axis]: State Street Target Retirement 2065    
Investments    
Investments, at fair value 2,782,109  
Investment, Identifier [Axis]: State Street Target Retirement 2070    
Investments    
Investments, at fair value 343,548  
Investment, Identifier [Axis]: State Street Target Retirement Income    
Investments    
Investments, at fair value 13,122,712  
Investment, Identifier [Axis]: Vanguard Inflation Protected Fund    
Investments    
Investments, at fair value $ 7,845,778