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WARRANTY COSTS AND OTHER CONTINGENCIES (Tables) | 6 Months Ended
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Jun. 30, 2019
WARRANTY COSTS AND OTHER CONTINGENCIES |
Schedule of analysis of warranty accruals | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
(in thousands) |  | 2019 |  | 2018
Balance at beginning of period | ​ | $ | 5,607 | ​ | $ | 5,373
Less: Payments made during the period | ​ |  | (2,002) | ​ |  | (1,945)
Add: Warranty provision for the period | ​ |  | 2,191 | ​ |  | 2,093
Changes to warranty provision for prior periods | ​ |  | 93 | ​ |  | 52
Balance at June 30 | ​ | $ | 5,889 | ​ | $ | 5,573

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- Definition Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 + Details
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