XML 65 R54.htm IDEA: XBRL DOCUMENT v3.24.3
Goodwill and Intangibles - Summary of Change in Carrying Amount of Goodwill (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2024
Dec. 31, 2023
Goodwill [Roll Forward]    
Goodwill (gross), beginning balance $ 468.8  
Business combinations 16.2  
Other adjustments 0.1  
Goodwill (gross), ending balance 485.1  
Accumulated impairment losses (70.0)  
Goodwill (net) 415.1 $ 398.8
Installation    
Goodwill [Roll Forward]    
Goodwill (gross), beginning balance 375.2  
Business combinations 15.6  
Other adjustments 0.1  
Goodwill (gross), ending balance 390.9  
Accumulated impairment losses (70.0)  
Goodwill (net) 320.9  
Other    
Goodwill [Roll Forward]    
Goodwill (gross), beginning balance 93.6  
Business combinations 0.6  
Other adjustments 0.0  
Goodwill (gross), ending balance 94.2  
Accumulated impairment losses 0.0  
Goodwill (net) $ 94.2