v3.26.1
Concentrations of Risk (Tables)
12 Months Ended
Mar. 31, 2026
Risks and Uncertainties [Abstract]  
Schedule of Gross Sales by Major Customers The following represents net sales generated by this customer, which is from the Siding & Trim and Deck, Rail & Accessories segments:
 
Years Ended March 31
(Millions of US dollars)202620252024
Customer A$546.4 11.3 %$586.6 15.1 %$558.2 14.2 %