v3.25.1
EQUITY, ROYALTY AND INTEREST INCOME FROM INVESTEES (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Schedule of Equity Method Investments [Line Items]    
Atmus share of net income $ 7.6 $ 8.8
Royalty and interest income 1.6 1.6
Equity, royalty and interest income from investees 9.2 10.4
Fleetguard Filters Pvt. Ltd.    
Schedule of Equity Method Investments [Line Items]    
Atmus share of net income 6.3 7.6
Shanghai Fleetguard Filter Co. Ltd    
Schedule of Equity Method Investments [Line Items]    
Atmus share of net income 1.2 1.1
Filtrum Fibretechnologies Pvt. Ltd    
Schedule of Equity Method Investments [Line Items]    
Atmus share of net income $ 0.1 $ 0.1