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Commitments and Contingencies - Additional Information (Detail)
$ in Millions
9 Months Ended
Sep. 30, 2024
USD ($)
Oct. 26, 2021
USD ($)
a
Schedule Of Commitments And Contingencies [Line Items]    
Change in warranty reserve for disclosure purposes only $ 0.7  
Area of Land | a   300
Warranty reserve increase (decrease) 1.1  
Land and Land Improvements   $ 550.0
Cost of land and land improvements incurred $ 340.0  
Surface Flaking Warranty Reserve [Member]    
Schedule Of Commitments And Contingencies [Line Items]    
Percentage change in warranty claims used as a threshold for disclosure 10.00%  
Residential Use [Member] | Products Sold Prior to January One, Two Thousand and Twenty Three [Member]    
Schedule Of Commitments And Contingencies [Line Items]    
Warranty period 25 years  
Commercial Use [Member]    
Schedule Of Commitments And Contingencies [Line Items]    
Warranty period 10 years  
Commercial Use [Member] | Products Sold Prior to January One, Two Thousand and Twenty Three [Member]    
Schedule Of Commitments And Contingencies [Line Items]    
Warranty period 10 years  
Signature Railing And Transcend Cladding [Member] | Commercial Use [Member]    
Schedule Of Commitments And Contingencies [Line Items]    
Warranty period 25 years  
Transcend Decking [Member] | Residential Use [Member] | Products Sold on or After January One, Two Thousand and Twenty Three [Member]    
Schedule Of Commitments And Contingencies [Line Items]    
Warranty period 50 years  
Select Decking And Universal Fascia [Member] | Residential Use [Member] | Products Sold on or After January One, Two Thousand and Twenty Three [Member]    
Schedule Of Commitments And Contingencies [Line Items]    
Warranty period 35 years  
Enhance Decking And Transcend, Select, Enhance And Signature Railing [Member] | Residential Use [Member] | Products Sold on or After January One, Two Thousand and Twenty Three [Member]    
Schedule Of Commitments And Contingencies [Line Items]    
Warranty period 25 years  
Signature Railing [Member] | Residential and Commercial Use [Member] | Products Sold Prior to January One, Two Thousand and Twenty Three [Member]    
Schedule Of Commitments And Contingencies [Line Items]    
Warranty period 25 years