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Warranty | 9 Months Ended
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Sep. 30, 2018
Product Warranties Disclosures [Abstract] |
Warranty |
9. | Warranty
We record a liability for warranty claims at the time of sale. The amount of the liability is based on the trend in the historical ratio of claims to sales, the historical length of time between the sale and resulting warranty claim, new product introductions and other factors. Warranty terms on machines generally range from one to four years. However, the majority of our claims are paid out within the first six to nine months following a sale. The majority of the liability for estimated warranty claims represents amounts to be paid out in the near term for qualified warranty issues, with immaterial amounts reserved to be paid for older equipment warranty issues. The changes in warranty reserves for the nine months ended September 30, 2018 and 2017 were as follows:
| Nine Months Ended
| September 30
| 2018 |  | 2017
Beginning balance | $ | 12,676 |  |  | $ | 10,960 |
Additions charged to expense | 10,883 |  |  | 8,879 |
Acquired warranty obligations | — |  |  | 384 |
Foreign currency fluctuations | (193 | ) |  | 225 |
Claims paid | (9,805 | ) |  | (8,912 | )
Ending balance | $ | 13,561 |  |  | $ | 11,536 |

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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 -URI http://asc.fasb.org/topic&trid=2155896 + Details
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