v3.26.1
Organization and Basis of Presentation (Details) - USD ($)
$ in Millions
3 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Jan. 29, 2026
Organization and Basis of Presentation      
Transaction costs $ 1.3    
Supplier finance program, termination period 90 days    
Supplier finance program, outstanding amount $ 1.7 $ 1.8  
Supplier Finance Program, Obligation, Current, Statement of Financial Position [Extensible Enumeration] Accounts Payable, Current Accounts Payable, Current  
Minimum      
Organization and Basis of Presentation      
Supplier finance program, payment period 60 days    
Maximum      
Organization and Basis of Presentation      
Supplier finance program, payment period 120 days    
Modine      
Organization and Basis of Presentation      
Post spinoff ownership percentage     40.00%
Gentherm      
Organization and Basis of Presentation      
Post spinoff ownership percentage     60.00%