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Accumulated Other Comprehensive Income (Loss) (Tables) | 3 Months Ended
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Mar. 31, 2018
Accumulated Other Comprehensive Income (Loss) [Abstract] |
Summary of components of other comprehensive income | The cumulative balance of each component of other comprehensive income (loss) and the income tax effects allocated to each component are as follows:
|  | Pension and other post-retirement actuarial items |  |  | Currency translation adjustment |  |  | Unrealized gain (loss) on available-for-sale securities |  |  | Total |
Balance at January 1, 2018 |  | $ | (69,041 | ) |  | $ | 92,954 |  |  | $ | 1,801 |  |  | $ | 25,714 |
Cumulative effect of accounting for adoption of ASU 2016-01 |  |  | - |  |  |  | - |  |  |  | (1,801 | ) |  | $ | (1,801 | )
Other comprehensive income before reclassifications |  |  | - |  |  |  | 27,024 |  |  |  | - |  |  | $ | 27,024 |
Tax effect |  |  | - |  |  |  | - |  |  |  | - |  |  | $ | - |
Other comprehensive income before reclassifications, net of tax |  |  | - |  |  |  | 27,024 |  |  |  | - |  |  | $ | 27,024 |
Amounts reclassified out of AOCI |  |  | 2,296 |  |  |  | - |  |  |  | - |  |  | $ | 2,296 |
Tax effect |  |  | (689 | ) |  |  | - |  |  |  | - |  |  | $ | (689 | )
Amounts reclassified out of AOCI, net of tax |  |  | 1,607 |  |  |  | - |  |  |  | - |  |  | $ | 1,607 |
Net other comprehensive income |  | $ | 1,607 |  |  | $ | 27,024 |  |  | $ | - |  |  | $ | 28,631 |
Balance at March 31, 2018 |  | $ | (67,434 | ) |  | $ | 119,978 |  |  | $ | - |  |  | $ | 52,544 |

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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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