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Accumulated Other Comprehensive Income (Loss) | 12 Months Ended
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Dec. 31, 2016
Accumulated Other Comprehensive Income (Loss) | I. ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) Changes in accumulated other comprehensive income (loss), which is presented net of tax, consists of the following:
|  | Foreign Currency Translation Adjustment |  |  | Unrealized Gains (Losses) on Marketable Securities |  |  | Retirement Plans Prior Service Credit |  |  | Total |
|  | (in thousands) |
Balance at December 31, 2014, net of tax of $1,598, $(453) |  | $ | — |  |  | $ | 2,365 |  |  | $ | 2,324 |  |  | $ | 4,689 |
Other comprehensive loss before reclassifications, net of tax of $0, $(1,667) |  |  | (8,759 | ) |  |  | (3,075 | ) |  |  | — |  |  |  | (11,834 | )
Amounts reclassified from accumulated other comprehensive income, net of tax of $(390), $(169) |  |  | — |  |  |  | (704 | ) |  |  | (295 | ) |  |  | (999 | )
Net current period other comprehensive loss, net of tax of $0, $(2,057), $(169) |  |  | (8,759 | ) |  |  | (3,779 | ) |  |  | (295 | ) |  |  | (12,833 | )
Balance at December 31, 2015, net of tax of $0, $(459), $(622) |  | $ | (8,759 | ) |  | $ | (1,414 | ) |  | $ | 2,029 |  |  | $ | (8,144 | )
Other comprehensive (loss) income before reclassifications, net of tax of $0, $923, $34 |  |  | (13,162 | ) |  |  | 2,037 |  |  |  | 59 |  |  |  | (11,125 | )
Amounts reclassified from accumulated other comprehensive income, net of tax of $(255), $(190) |  |  | — |  |  |  | (683 | ) |  |  | (321 | ) |  |  | (945 | )
Net current period other comprehensive (loss) income, net of tax of $0, $668, $(156) |  |  | (13,162 | ) |  |  | 1,354 |  |  |  | (262 | ) |  |  | (12,070 | )
Balance at December 31, 2016, net of tax of $0, $209, $(778) |  | $ | (21,921 | ) |  | $ | (60 | ) |  | $ | 1,767 |  |  | $ | (20,214 | )
Reclassifications out of accumulated other comprehensive income to the statements of operations for the years ended December 31, 2016, 2015 and 2014, were as follows:
Details about Accumulated Other Comprehensive Income Components |  | For the year ended |  |  | Affected Line Item in the Statements of Operations |
|  | December 31, 2016 |  |  | December 31, 2015 |  |  | December 31, 2014 |  |  |  |
|  | (in thousands) |  |  |  |
Available-for-sale marketable securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unrealized gains, net of tax of $255, $390, $645 |  | $ | 683 |  |  | $ | 704 |  |  | $ | 1,433 |  |  |  | Interest income |
Defined benefit pension and postretirement plans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization of prior service credit, net of tax of $190, $169, $169 |  |  | 321 |  |  |  | 295 |  |  |  | 295 |  |  |  | (1) |
Prior service income arising during period, net of tax of $(34), $0, $0 |  |  | (59 | ) |  |  | — |  |  |  | — |  |  |  |  |
|  |  | 262 |  |  |  | 295 |  |  |  | 295 |  |  |  |  |
Total reclassifications, net of tax of $411, $559, $814 |  | $ | 945 |  |  | $ | 999 |  |  | $ | 1,728 |  |  |  | Net income |
(1) | The amortization of prior service credit is included in the computation of net periodic pension cost and postretirement benefit; see Note N: “Retirement Plans.”

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e689-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669619-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e640-108580 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e716-108580 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e709-108580 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e637-108580 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e681-108580 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Reclassification Adjustments -URI http://asc.fasb.org/extlink&oid=6522872 + Details
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