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Other Comprehensive Income (Tables) | 12 Months Ended
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Dec. 31, 2016
Other Comprehensive Income [Abstract] |
Schedule of Changes in Other Comprehensive income | The Company’s changes in other comprehensive income for the years ended December 31, 2016, 2015 and 2014 were as follows (in thousands):
|  | 2016 |  |  | 2015 |  |  | 2014 |
|  | Gross Amount |  |  | Income Tax (Provision) Benefit |  |  | Net Amount |  |  | Gross Amount |  |  | Income Tax (Provision) Benefit |  |  | Net Amount |  |  | Gross Amount |  |  | Income Tax (Provision) Benefit |  |  | Net Amount |
Pension and postretirement benefits (a): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization of net actuarial loss |  | $ | 4,763 |  |  | $ | (1,825 | ) |  | $ | 2,938 |  |  | $ | 6,963 |  |  | $ | (2,667 | ) |  | $ | 4,296 |  |  | $ | 68 |  |  | $ | (26 | ) |  | $ | 42 |
Actuarial gains (losses) |  |  | (15,013 | ) |  |  | 5,754 |  |  |  | (9,259 | ) |  |  | 19,482 |  |  |  | (7,456 | ) |  |  | 12,026 |  |  |  | (71,843 | ) |  |  | 27,507 |  |  |  | (44,336 | )
Foreign currency translation adjustments |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 29 |  |  |  | — |  |  |  | 29 |  |  |  | (35 | ) |  |  | — |  |  |  | (35 | )
Change in fair value of derivative instruments (b): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unrealized gains (losses) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 24 |  |  |  | (9 | ) |  |  | 15 |
Reclassified to net earnings |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 121 |  |  |  | (51 | ) |  |  | 70 |
Total |  | $ | (10,250 | ) |  | $ | 3,929 |  |  | $ | (6,321 | ) |  | $ | 26,474 |  |  | $ | (10,123 | ) |  | $ | 16,351 |  |  | $ | (71,665 | ) |  | $ | 27,421 |  |  | $ | (44,244 | )
(a) | Actuarial gains (losses) are amortized into costs of sales and operating expenses or selling, general and administrative expenses as appropriate. (See Note 9 – Retirement Plans)
(b) | Reclassifications to net earnings of derivatives qualifying as effective hedges are recognized in costs of sales and operating expenses.

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- Definition Tabular disclosure of the net gain (loss) and net prior service cost or credit recognized in other comprehensive income (loss) for the period for pension plans and/or other employee benefit plans, and reclassification adjustments of other comprehensive income (loss) for the period, as those amounts, including amortization of the net transition asset or obligation, are recognized as components of net periodic benefit cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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