v3.26.1
Goodwill and Other Intangible Assets - Schedule of Changes in the Carrying Value of Goodwill (Details)
$ in Millions
3 Months Ended
Jun. 30, 2026
USD ($)
Goodwill [Roll Forward]  
Balance, beginning $ 4,780.4
Foreign exchange impact (1.5)
Adjustments to Acquisition of The AZEK Company (3.1)
Balance, ending 4,775.8
Europe  
Goodwill [Roll Forward]  
Balance, beginning 205.0
Foreign exchange impact (1.5)
Adjustments to Acquisition of The AZEK Company 0.0
Balance, ending 203.5
Siding & Trim  
Goodwill [Roll Forward]  
Balance, beginning 1,141.2
Foreign exchange impact 0.0
Adjustments to Acquisition of The AZEK Company (0.8)
Balance, ending 1,140.4
Deck, Rail & Accessories  
Goodwill [Roll Forward]  
Balance, beginning 3,434.2
Foreign exchange impact 0.0
Adjustments to Acquisition of The AZEK Company (2.3)
Balance, ending $ 3,431.9