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WARRANTIES | 3 Months Ended
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Mar. 31, 2020
WARRANTIES |
WARRANTIES | NOTE 15. WARRANTIES Provisions of our sales agreements include customary product warranties, ranging from 12 months to 24 months following installation. The estimated cost of our warranty obligation is recorded when revenue is recognized and is based upon our historical experience by product and configuration. Our estimated warranty obligation is included in Other accrued expenses in our Unaudited Consolidated Balance Sheets. Changes in our product warranty obligation are as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended March 31, | ​
​ |  | 2020 |  | 2019 | ​
Balances at beginning of period | ​ | $ | 6,413 | ​ | $ | 2,084 | ​
Increases to accruals | ​ |  | 758 | ​ |  | 519 | ​
Warranty expenditures | ​ |  | (856) | ​ |  | (345) | ​
Effect of changes in exchange rates | ​ |  | — | ​ |  | 6 | ​
Balances at end of period | ​ | $ | 6,315 | ​ | $ | 2,264 | ​
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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -URI http://asc.fasb.org/topic&trid=2155896 + Details
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