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Accumulated Other Comprehensive Loss (AOCL) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2017 | Dec. 31, 2016
Additional financial information disclosures [Abstract] |  |
Accumulated Other Comprehensive Loss (AOCL) | Components of accumulated other comprehensive loss
| March 31, 2017 | December 31, 2016
Defined benefit plan liabilities | $ | (124,085 | ) | $ | (125,917 | )
Unrealized loss on financial instruments | 2,814 |  | 2,860 |
Other comprehensive loss before income tax effect | (121,271 | ) | (123,057 | )
Income tax effect (1) | 8,090 |  | 9,164 |
Accumulated other comprehensive loss | $ | (113,181 | ) | $ | (113,893 | )
(1) The allocation of the income tax effect to the components of other comprehensive loss is as follows:
| March 31, 2017 | December 31, 2016
Defined benefit plan liabilities | $ | 8,654 |  | $ | 9,736 |
Unrealized loss on financial instruments | (564 | ) | (572 | )
The following table summarizes the changes in the accumulated balances for each component of accumulated other comprehensive loss ("AOCL"):
| Defined benefit plan and other postretirement liabilities | Unrealized loss on financial instruments | Total, net of tax
Balance, December 31, 2016 | $ | (116,181 | ) | $ | 2,288 |  | $ | (113,893 | )
Net amount reclassified to net loss | 750 |  | (38 | ) | 712 |
Balance, March 31, 2017 | $ | (115,431 | ) | $ | 2,250 |  | $ | (113,181 | )
Balance, December 31, 2015 | $ | (110,667 | ) | $ | (1,983 | ) | $ | (112,650 | )
Net amount reclassified to net loss | 861 |  | (38 | ) | 823 |
Balance, March 31, 2016 | $ | (109,806 | ) | $ | (2,021 | ) | $ | (111,827 | )
Reclassifications out of AOCL were included in the consolidated statements of operations as follows:
|  | For the three months ended March 31
AOCL Components | Location | 2017 | 2016
Defined benefit plan and other postretirement liabilities | Cost of goods sold | $ | 1,307 |  | $ | 777 |
| Selling, general and administrative expenses | 132 |  | 125 |
| Other operating expense, net | 394 |  | 350 |
| Income tax expense | (1,083 | ) | (391 | )
| Net of tax | $ | 750 |  | $ | 861 |
Unrealized loss on financial instruments | Cost of goods sold | $ | (46 | ) | $ | (46 | )
| Income tax benefit | 8 |  | 8 |
| Net of tax | $ | (38 | ) | $ | (38 | )
Components of AOCL | 2016 | 2015
Defined benefit plan liabilities | $ | (125,917 | ) | $ | (121,910 | )
Gain (loss) on financial instruments | 2,860 |  | (1,435 | )
Other comprehensive loss before income tax effect | (123,057 | ) | (123,345 | )
Income tax effect (1) | 9,164 |  | 10,695 |
Accumulated other comprehensive loss | $ | (113,893 | ) | $ | (112,650 | )
(1) | The allocation of the income tax effect to the components of other comprehensive income is as follows:
| 2016 | 2015
Defined benefit plan liabilities | $ | 9,736 |  | $ | 11,243 |
Gain (loss) on financial instruments | (572 | ) | (548 | )
The following table summarizes the changes in the accumulated balances for each component of AOCL:
| Defined benefit plan and other postretirement liabilities | Equity in investee other comprehensive income | Gain (loss) on financial instruments | Total, net of tax
Balance, December 31, 2013 | (77,921 | ) | (12,232 | ) | (1,679 | ) | (91,832 | )
Other comprehensive income (loss) before reclassifications | (42,926 | ) | (419 | ) | — |  | (43,345 | )
Net amount reclassified to net income | 4,995 |  | — |  | (151 | ) | 4,844 |
Elimination of equity in investee resulting from acquisition | — |  | 12,651 |  | — |  | 12,651 |
Balance, December 31, 2014 | (115,852 | ) | — |  | (1,830 | ) | (117,682 | )
Other comprehensive income 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 | )
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 | 2016 | 2015 | 2014
Defined benefit plan and other postretirement liabilities | Cost of goods sold | $ | 3,464 |  | $ | (1,696 | ) | $ | 6,237 |
| Selling, general and administrative expenses | 465 |  | 235 |  | 569 |
| Other operating expense, net | 1,585 |  | 904 |  | — |
| Income tax expense | (1,507 | ) | (1,569 | ) | (1,811 | )
| Net of tax | $ | 4,007 |  | $ | (2,126 | ) | $ | 4,995 |
Equity in investee other comprehensive income | Cost of goods sold | $ | — |  | $ | — |  | $ | — |
| Income tax expense | — |  | — |  | (419 | )
| Net of tax | $ | — |  | $ | — |  | $ | (419 | )
Gain (loss) on financial instruments | Cost of goods sold | $ | (185 | ) | $ | (186 | ) | $ | (185 | )
| Helguvik impairment | 4,480 |  | — |  | — |
| Income tax benefit | (24 | ) | 33 |  | 34 |
| Net of tax | $ | 4,271 |  | $ | (153 | ) | $ | (151 | )

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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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