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ACCUMULATED OTHER COMPREHENSIVE INCOME/(LOSS) (Tables) | 12 Months Ended
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Dec. 31, 2017
Equity [Abstract] |
Components of accumulated other comprehensive income (loss) | Accumulated other comprehensive income/ (loss) consist of the following (in thousands):
| Pension Liability Adjustment |  | Foreign Currency Translation |  | Total
Balance at December 31, 2015 | $ | (50,905 | ) |  | $ | (20,273 | ) |  | $ | (71,178 | )
Change during 2016: |  |  |  |  |  |  |  |
Before-tax amount | 3,045 |  |  | (602 | ) |  | 2,443 |
Tax benefit | (1,340 | ) |  | — |  |  | (1,340 | )
| 1,705 |  |  | (602 | ) |  | 1,103 |
Balance at December 31, 2016 | (49,200 | ) |  | (20,875 | ) |  | (70,075 | )
Change during 2017 |  |  |  |  |  |  |  |
Before-tax amount | 18,980 |  |  | 9,960 |  |  | 28,940 |
Tax benefit | (4,821 | ) |  | — |  |  | (4,821 | )
| 14,159 |  |  | 9,960 |  |  | 24,119 |
Balance at December 31, 2017 | $ | (35,041 | ) |  | $ | (10,915 | ) |  | $ | (45,956 | )

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669686-108580 + Details
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