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Accumulated Other Comprehensive Loss (AOCL) (Tables) | 12 Months Ended
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Dec. 31, 2017
Additional financial information disclosures [Abstract] |
Components of Accumulated Other Comprehensive Loss |
Components of AOCL | 2017 |  | 2016
Defined benefit plan liabilities | $ | (102,053 | ) |  | $ | (125,917 | )
Gain (loss) on financial instruments | 2,673 |  |  | 2,860 |
Other comprehensive loss before income tax effect | (99,380 | ) |  | (123,057 | )
Income tax effect (1) | 7,638 |  |  | 9,164 |
Accumulated other comprehensive loss | $ | (91,742 | ) |  | $ | (113,893 | )
(1) | The allocation of the income tax effect to the components of other comprehensive loss is as follows:
| 2017 |  | 2016
Defined benefit plan liabilities | $ | 8,173 |  |  | $ | 9,736 |
Gain (loss) on financial instruments | (535 | ) |  | (572 | )
The following table summarizes the changes in the accumulated balances for each component of AOCL:
| Defined benefit plan and other postretirement liabilities |  | Gain (loss) on financial instruments |  | Total, net of tax
Balance, December 31, 2014 | $ | (115,852 | ) |  | $ | (1,830 | ) |  | $ | (117,682 | )
Other comprehensive income (loss) before reclassifications | 7,311 |  |  | — |  |  | 7,311 |
Net amount reclassified to net loss | (2,126 | ) |  | (153 | ) |  | (2,279 | )
Balance, December 31, 2015 | (110,667 | ) |  | (1,983 | ) |  | (112,650 | )
Other comprehensive income before reclassifications | (9,521 | ) |  | — |  |  | (9,521 | )
Net amount reclassified to net loss | 4,007 |  |  | 4,271 |  |  | 8,278 |
Balance, December 31, 2016 | (116,181 | ) |  | 2,288 |  |  | (113,893 | )
Other comprehensive income before reclassifications | 20,204 |  |  | — |  |  | 20,204 |
Net amount reclassified to net income | 2,097 |  |  | (150 | ) |  | 1,947 |
Balance, December 31, 2017 | $ | (93,880 | ) |  | $ | 2,138 |  |  | $ | (91,742 | )
Reclassification out of AOCI | Reclassifications out of AOCL were included in the consolidated statements of operations as follows:
|  |  |  | Gains (Losses) Reclassified from AOCL to the Consolidated Statements of Operations
AOCL Components |  | Location |  | 2017 |  | 2016 |  | 2015
Defined benefit plan and other postretirement liabilities |  | Cost of goods sold |  | $ | 3,075 |  |  | $ | 3,464 |  |  | $ | (1,696 | )
|  | Selling, general and administrative expenses |  | (429 | ) |  | 465 |  |  | 235 |
|  | Other operating expense, net |  | 1,015 |  |  | 1,585 |  |  | 904 |
|  | Income tax expense |  | (1,564 | ) |  | (1,507 | ) |  | (1,569 | )
|  | Net of tax |  | $ | 2,097 |  |  | $ | 4,007 |  |  | $ | (2,126 | )
Gain (loss) on financial instruments |  | Cost of goods sold |  | $ | (186 | ) |  | $ | (185 | ) |  | $ | (186 | )
|  | Helguvik impairment |  | — |  |  | 4,480 |  |  | — |
|  | Income tax benefit |  | 36 |  |  | (24 | ) |  | 33 |
|  | Net of tax |  | $ | (150 | ) |  | $ | 4,271 |  |  | $ | (153 | )

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- Definition Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss). + References No definition available. + Details
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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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