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Product Warranties | 12 Months Ended
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Mar. 31, 2016
Guarantees [Abstract] |
Product Warranties | 10. Product Warranties The Company offers various warranties on its products, including a 30-year limited warranty on certain of its 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:
|  | Years Ended 31 March |
(Millions of US dollars) |  | 2016 |  |  | 2015 |
Balance at beginning of period |  | $ | 35.2 |  |  | $ | 31.4 |
Accruals for product warranties |  |  | 28.0 |  |  |  | 16.0 |
Settlements made in cash or in kind |  |  | (17.9) |  |  |  | (12.2) |
Balance at end of period |  | $ | 45.3 |  |  | $ | 35.2 |

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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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=51674963&loc=d3e12565-110249 + Details
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