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Commitments and contingent liabilities (Tables) | 3 Months Ended
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Mar. 31, 2013
Changes in the Company's Product Warranty Liability Accruals | The following table provides information regarding changes in the Company’s product warranty liability accruals for the three months ended March 31, 2013 (dollars in thousands):
Balance — December 31, 2012 |  | $ | 472 |
Accruals for warranties issued in 2013 |  |  | 189 |
Settlements (cash and in kind) |  |  | (106 | )
Translation |  |  | (2 | )
Balance — March 31, 2013 |  | $ | 553 |

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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://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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Namespace Prefix: | us-gaap_
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Period Type: | duration