v3.26.1
Goodwill and Intangible Assets (Details)
$ in Millions
3 Months Ended
Apr. 01, 2026
USD ($)
segment
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Mar. 31, 2026
USD ($)
Goodwill and Intangible Assets        
Number of New Segments Due to Split of Operating Segment | segment 2      
Goodwill [Roll Forward]        
Goodwill, beginning balance $ 292.1 $ 292.1    
Effect of exchange rate changes   (1.9)    
Goodwill, ending balance   290.2    
Finite-Lived Intangible Assets, Net [Abstract]        
Gross Carrying Value   302.0   $ 304.7
Accumulated Amortization   (111.8)   (107.7)
Net Intangible Assets   190.2   197.0
Amortization expense   5.2 $ 5.7  
Estimated Future Amortization Expense [Abstract]        
2027   15.0    
2028   21.0    
2029   20.0    
2030   19.0    
2031   19.0    
2032   19.0    
Data Centers        
Goodwill [Roll Forward]        
Goodwill, beginning balance 87.0 87.0    
Effect of exchange rate changes   (1.3)    
Goodwill, ending balance   85.7    
Commercial HVAC        
Goodwill [Roll Forward]        
Goodwill, beginning balance $ 205.1 205.1    
Effect of exchange rate changes   (0.6)    
Goodwill, ending balance   204.5    
Customer relationships        
Finite-Lived Intangible Assets, Net [Abstract]        
Gross Carrying Value   196.0   198.2
Accumulated Amortization   (65.6)   (63.1)
Net Intangible Assets   130.4   135.1
Trade names        
Finite-Lived Intangible Assets, Net [Abstract]        
Gross Carrying Value   69.4   69.7
Accumulated Amortization   (26.1)   (25.2)
Net Intangible Assets   43.3   44.5
Acquired technology        
Finite-Lived Intangible Assets, Net [Abstract]        
Gross Carrying Value   36.6   36.8
Accumulated Amortization   (20.1)   (19.4)
Net Intangible Assets   $ 16.5   $ 17.4