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Product Warranties | 12 Months Ended
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Dec. 31, 2014
Product Warranties Disclosures [Abstract] |
Product Warranties | Product Warranties The Company warrants certain qualitative attributes of its products for up to 50 years. The Company records a provision for estimated warranty and related costs in accrued expenses, based on historical experience and periodically adjusts these provisions to reflect actual experience. Product warranties are as follows:
| 2014 |  | 2013 |  | 2012
Balance at beginning of year | $ | 35,818 |  |  | 32,930 |  |  | 30,144 |
Acquisitions | — |  |  | 3,389 |  |  | — |
Warranty claims paid during the period | (51,941 | ) |  | (52,011 | ) |  | (55,314 | )
Pre-existing warranty accrual adjustments during the year | — |  |  | — |  |  | — |
Warranty expense during the period | 45,473 |  |  | 51,510 |  |  | 58,100 |
Balance at end of year | $ | 29,350 |  |  | 35,818 |  |  | 32,930 |

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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=6398077&loc=d3e12565-110249 + Details
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