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Accumulated Other Comprehensive Income (Loss) (Tables) | 6 Months Ended
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Jun. 30, 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 |  |  | - |  |  |  | (34,513 | ) |  |  | - |  |  | $ | (34,513 | )
Tax effect |  |  | - |  |  |  | - |  |  |  | - |  |  | $ | - |
Other comprehensive income before reclassifications, net of tax |  |  | - |  |  |  | (34,513 | ) |  |  | - |  |  | $ | (34,513 | )
Amounts reclassified out of AOCI |  |  | 4,547 |  |  |  | - |  |  |  | - |  |  | $ | 4,547 |
Tax effect |  |  | (1,365 | ) |  |  | - |  |  |  | - |  |  | $ | (1,365 | )
Amounts reclassified out of AOCI, net of tax |  |  | 3,182 |  |  |  | - |  |  |  | - |  |  | $ | 3,182 |
Net other comprehensive income |  | $ | 3,182 |  |  | $ | (34,513 | ) |  | $ | - |  |  | $ | (31,331 | )
Balance at June 30, 2018 |  | $ | (65,859 | ) |  | $ | 58,441 |  |  | $ | - |  |  | $ | (7,418 | )

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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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