Revenues
The Company's presentation of revenue by reportable segment most reasonably depicts how the nature, amount, timing and uncertainty of the Company's revenue and cash flows are affected by economic and market-specific factors. The Company recognizes revenues when the requisite performance obligation has been met, that is, when the Company transfers control of its products to customers per the arranged shipping terms, which may be at time of shipment or upon delivery depending on the terms of the underlying contract.
The following represents the Company’s disaggregated revenues:
Years Ended March 31
(Millions of US dollars)202620252024
Siding & Trim$2,963.1 $2,863.3 $2,891.4 
Deck, Rail & Accessories795.2 — — 
Australia & New Zealand520.6 519.9 562.8 
Europe556.9 494.3 482.1 
Total$4,835.8 $3,877.5 $3,936.3 
The process by which the Company recognizes revenues is similar across each of the Company's reportable segments. The Company records estimated reductions in sales for customer rebates and discounts including volume, promotional, cash and other discounts. Rebates and discounts are recorded in Net sales based on management’s best estimate when products are sold. The estimates are based on historical experience for similar programs and products, and contractual obligations. Management reviews these rebates and discounts on an ongoing basis and the related accruals are adjusted, if necessary, as additional information becomes available.

About Revenue Disclosures

Revenue disclosures under ASC 606 explain how a company identifies performance obligations, allocates transaction prices, and determines when revenue is recognized. This section is essential for understanding whether reported revenue reflects genuine economic activity or aggressive accounting choices. Analysts examine the mix of point-in-time versus over-time recognition, which directly affects revenue timing and comparability.

Key signals: rising contract liabilities (deferred revenue) suggest strong future revenue visibility, while declining contract assets may indicate slowing project milestones. Watch for variable consideration estimates — rebates, returns, and performance bonuses that require management judgment. Significant changes in disaggregated revenue by geography or product line can reveal shifting business mix before it appears in headline numbers. Compare revenue growth against contract liability growth to assess sustainability, and scrutinize any changes in the timing of recognition that coincide with earnings pressure.