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| Product Warranties | Product Warranties The Company offers various warranties on its products, including a 30-year limited warranty on certain fiber cement siding products in the United States. A typical warranty program requires the Company to replace defective products within a specified time period from the date of sale. It is possible that future warranty costs could differ from those estimates. The following are the changes in the product warranty provision: 
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- References No definition available. 
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- Definition The entire disclosure for standard and extended product warranties and other product guarantee contracts, including a tabular reconciliation of the changes in the guarantor's aggregate product warranty liability for the reporting period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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