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Accumulated Other Comprehensive Income (Loss) (Tables) | 12 Months Ended
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Dec. 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, 2016 |  | $ | (136,422 | ) |  | $ | 4,597 |  |  | $ | 498 |  |  | $ | (131,327 | )
Other comprehensive income before reclassifications |  |  | (32,398 | ) |  |  | (35,863 | ) |  |  | 941 |  |  | $ | (67,320 | )
Tax effect |  |  | 9,815 |  |  |  | - |  |  |  | (329 | ) |  | $ | 9,486 |
Other comprehensive income before reclassifications, net of tax |  |  | (22,583 | ) |  |  | (35,863 | ) |  |  | 612 |  |  | $ | (57,834 | )
Amounts reclassified out of AOCI |  |  | 91,014 |  |  |  | - |  |  |  | - |  |  | $ | 91,014 |
Tax effect |  |  | 3,495 |  |  |  | - |  |  |  | - |  |  | $ | 3,495 |
Amounts reclassified out of AOCI, net of tax |  |  | 94,509 |  |  |  | - |  |  |  | - |  |  | $ | 94,509 |
Net comprehensive income (loss) |  | $ | 71,926 |  |  | $ | (35,863 | ) |  | $ | 612 |  |  | $ | 36,675 |
Balance at December 31, 2016 |  | $ | (64,496 | ) |  | $ | (31,266 | ) |  | $ | 1,110 |  |  | $ | (94,652 | )
Other comprehensive income before reclassifications |  |  | (15,671 | ) |  |  | 124,220 |  |  |  | 1,881 |  |  | $ | 110,430 |
Tax effect |  |  | 4,373 |  |  |  | - |  |  |  | (659 | ) |  | $ | 3,714 |
Other comprehensive income before reclassifications, net of tax |  |  | (11,298 | ) |  |  | 124,220 |  |  |  | 1,222 |  |  | $ | 114,144 |
Amounts reclassified out of AOCI |  |  | 9,147 |  |  |  | - |  |  |  | (817 | ) |  | $ | 8,330 |
Tax effect |  |  | (2,394 | ) |  |  | - |  |  |  | 286 |  |  | $ | (2,108 | )
Amounts reclassified out of AOCI, net of tax |  |  | 6,753 |  |  |  | - |  |  |  | (531 | ) |  | $ | 6,222 |
Net comprehensive income (loss) |  | $ | (4,545 | ) |  | $ | 124,220 |  |  | $ | 691 |  |  | $ | 120,366 |
Balance at December 31, 2017 |  | $ | (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 |  |  | 5,617 |  |  |  | (41,454 | ) |  |  | - |  |  | $ | (35,837 | )
Tax effect |  |  | (1,032 | ) |  |  | - |  |  |  | - |  |  | $ | (1,032 | )
Other comprehensive income before reclassifications, net of tax |  |  | 4,585 |  |  |  | (41,454 | ) |  |  | - |  |  | $ | (36,869 | )
Amounts reclassified out of AOCI |  |  | 8,343 |  |  |  | - |  |  |  | - |  |  | $ | 8,343 |
Tax effect |  |  | (2,178 | ) |  |  | - |  |  |  | - |  |  | $ | (2,178 | )
Amounts reclassified out of AOCI, net of tax |  |  | 6,165 |  |  |  | - |  |  |  | - |  |  | $ | 6,165 |
Net comprehensive income (loss) |  | $ | 10,750 |  |  | $ | (41,454 | ) |  | $ | - |  |  | $ | (30,704 | )
Balance at December 31, 2018 |  | $ | (58,291 | ) |  | $ | 51,500 |  |  | $ | - |  |  | $ | (6,791 | )

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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=114867106&loc=SL7669686-108580 + Details
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