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Accumulated Other Comprehensive Income (Tables) | 6 Months Ended
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Jun. 30, 2017
Accumulated Other Comprehensive Income [Abstract] |
Changes in Accumulated Other Comprehensive Income | Changes in Accumulated Other Comprehensive Income by Component (in thousands)
|  | Three Months Ended June 30, 2017 |
|  | Foreign Currency Translation Adjustments |  |  | Unrecognized Postretirement Benefit Costs (Credit) |  |  | Total |
Balance at March 31, 2017 |  | $ | (8,529 | ) |  | $ | 189 |  |  | $ | (8,340 | )
Other comprehensive income before reclassifications |  |  | 2,733 |  |  |  | 283 |  |  |  | 3,016 |
Amounts reclassified from accumulated other comprehensive income |  |  | — |  |  |  | (163 | ) |  |  | (163 | )
Other comprehensive income, net |  |  | 2,733 |  |  |  | 120 |  |  |  | 2,853 |
Balance at June 30, 2017 |  | $ | (5,796 | ) |  | $ | 309 |  |  | $ | (5,487 | )
|  | Six Months Ended June 30, 2017 |
|  | Foreign Currency Translation Adjustments |  |  | Unrecognized Postretirement Benefit Costs (Credit) |  |  | Total |
Balance at December 31, 2016 |  | $ | (11,252 | ) |  | $ | 224 |  |  | $ | (11,028 | )
Other comprehensive income before reclassifications |  |  | 5,456 |  |  |  | 283 |  |  |  | 5,739 |
Amounts reclassified from accumulated other comprehensive income |  |  | — |  |  |  | (198 | ) |  |  | (198 | )
Other comprehensive income, net |  |  | 5,456 |  |  |  | 85 |  |  |  | 5,541 |
Balance at June 30, 2017 |  | $ | (5,796 | ) |  | $ | 309 |  |  | $ | (5,487 | )
Reclassifications out of Accumulated Other Comprehensive Income | Reclassifications Out of Accumulated Other Comprehensive Income (in thousands)
Details About Accumulated Other Comprehensive Income Components |  | Three Months Ended June 30, 2017 |  |  | Six Months Ended June 30, 2017 |
Amortization of postretirement benefit plans: |  |  |  |  |  |
Prior service benefit (1) |  | $ | — |  |  | $ | — |
Unrecognized (gain) loss (1) |  |  | (271 | ) |  |  | (330 | )
Total before income tax |  |  | (271 | ) |  |  | (330 | )
Income tax expense |  |  | 108 |  |  |  | 132 |
Total reclassifications for the period |  | $ | (163 | ) |  | $ | (198 | )
| (1) | These accumulated other comprehensive income components are included in the computation of net periodic postretirement benefit costs, which are included in selling, general and administrative expenses in our consolidated statements of operations (see Note 11 for additional details).

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- Definition Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss). + References No definition available. + Details
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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=66004124&loc=SL7669686-108580 + Details
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