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Accumulated Other Comprehensive Loss (Tables) | 9 Months Ended
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Sep. 30, 2019
Stockholders' Equity Note [Abstract] |
Schedule of Accumulated Other Comprehensive Loss | The changes in the balances of accumulated other comprehensive loss by component are as follows:
(in thousands) | Foreign currency translation adjustment |  | Defined benefit pension plan |  | Derivative financial instruments |  | Liquidation of non-US entity and purchase of non-controlling interests |  | Total
Balance at December 31, 2018 | $ | (36,669) |  |  | $ | (2,647) |  |  | $ | — |  |  | $ | 338 |  |  | $ | (38,978) |
Other comprehensive income (loss) | (6,787) |  |  | 207 |  |  | (798) |  |  | 256 |  |  | (7,122) |
Balance at September 30, 2019 | $ | (43,456) |  |  | $ | (2,440) |  |  | $ | (798) |  |  | $ | 594 |  |  | $ | (46,100) |

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669686-108580 + Details
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