v3.26.1
Business Combination - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
9 Months Ended 12 Months Ended
Mar. 31, 2026
Jul. 01, 2025
Mar. 31, 2026
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Business Combination [Line Items]            
Goodwill $ 4,780.4   $ 4,780.4 $ 4,780.4 $ 193.7 $ 192.6
Acquisition related expenses       $ 206.9 $ 16.5 $ 0.0
AZEK Company Inc.            
Business Combination [Line Items]            
Cash consideration per share of AZEK common stock (in dollars per share)   $ 26.45        
Exchange ratio (in shares)   1.0340        
Consideration transferred, liabilities incurred   $ 437.8        
Goodwill   4,575.4        
Intangible assets acquired   $ 3,370.0        
Acquired finite-lived intangible assets, weighted average useful life   17 years 4 months 24 days   16 years 8 months 12 days    
Acquisition related expenses       $ 206.9    
Transaction costs $ 94.7   94.7 94.7    
Integration costs       $ 112.2    
Inventory step-up adjustment     47.9      
Additional amortization     178.7      
Acquisition-related cost, intangible expense     $ 44.6      
AZEK Company Inc. | AZEK Company Inc.            
Business Combination [Line Items]            
Acquisition-related cost incurred   $ 50.0        
AZEK Company Inc. | Customer Relationships            
Business Combination [Line Items]            
Intangible assets acquired   2,830.0        
Acquired finite-lived intangible assets, weighted average useful life 17 years 3 months 18 days          
AZEK Company Inc. | Trade names            
Business Combination [Line Items]            
Intangible assets acquired   330.0        
Acquired finite-lived intangible assets, weighted average useful life 13 years 4 months 24 days          
AZEK Company Inc. | Technology            
Business Combination [Line Items]            
Intangible assets acquired   $ 210.0        
Acquired finite-lived intangible assets, weighted average useful life 9 years 3 months 18 days