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DEBT AND BORROWING ARRANGEMENTS - Narrative (Details) - USD ($)
$ in Millions
6 Months Ended
May 30, 2024
May 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Line of Credit Facility [Line Items]        
Long-term debt proceeds     $ 0.0 $ 650.0
Long-term debt fair value     $ 600.0  
Revolving Credit Facility | Atmus Credit Agreement | Line of Credit        
Line of Credit Facility [Line Items]        
Long-term debt proceeds $ 650.0      
Borrowed Amount   $ 650.0    
Revolving Credit Facility | Atmus Credit Agreement | Line of Credit | Secured Overnight Financing Rate | Variable Rate Component One        
Line of Credit Facility [Line Items]        
Interest rate     0.10%  
Revolving Credit Facility | Atmus Credit Agreement | Line of Credit | Secured Overnight Financing Rate | Minimum | Variable Rate Component Two        
Line of Credit Facility [Line Items]        
Interest rate     1.125%  
Revolving Credit Facility | Atmus Credit Agreement | Line of Credit | Secured Overnight Financing Rate | Maximum | Variable Rate Component Two        
Line of Credit Facility [Line Items]        
Interest rate     1.75%  
Revolving Credit Facility | Atmus Term Loan Facility | Line of Credit        
Line of Credit Facility [Line Items]        
Borrowed Amount     $ 600.0  
Revolving Credit Facility | Atmus Revolving Credit Facility | Line of Credit        
Line of Credit Facility [Line Items]        
Borrowed Amount     $ 0.0