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Changes in Accumulated Other Comprehensive Income (Loss) | 6 Months Ended
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Jun. 30, 2017
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] |
Changes in Accumulated Other Comprehensive Income (Loss) | Changes in Accumulated Other Comprehensive Income (Loss) The following table presents the changes in accumulated other comprehensive income (loss) by component for the six months ended June 30, 2017 and 2016 (in thousands):
| Accumulated Other Comprehensive Income (Loss) for the Six Months Ended June 30, 2017 |  | Accumulated Other Comprehensive Income (Loss) for the Six Months Ended June 30, 2016
| Changes related to cash flow derivative hedges |  | Changes in defined benefit plans |  | Foreign currency translation adjustments |  | Accumulated other comprehensive loss |  | Changes related to cash flow derivative hedges |  | Changes in defined benefit plans |  | Foreign currency translation adjustments |  | Accumulated other comprehensive loss
Accumulated comprehensive loss at beginning of the year | $ | (820,850 | ) |  | $ | (28,083 | ) |  | $ | (67,551 | ) |  | $ | (916,484 | ) |  | $ | (1,232,073 | ) |  | $ | (26,447 | ) |  | $ | (69,913 | ) |  | $ | (1,328,433 | )
Other comprehensive income (loss) before reclassifications | 43,408 |  |  | (4,847 | ) |  | 8,321 |  |  | 46,882 |  |  | (24,062 | ) |  | (8,184 | ) |  | 4,380 |  |  | (27,866 | )
Amounts reclassified from accumulated other comprehensive loss | 108,007 |  |  | 557 |  |  | — |  |  | 108,564 |  |  | 183,150 |  |  | 1,087 |  |  | — |  |  | 184,237 |
Net current-period other comprehensive income (loss) | 151,415 |  |  | (4,290 | ) |  | 8,321 |  |  | 155,446 |  |  | 159,088 |  |  | (7,097 | ) |  | 4,380 |  |  | 156,371 |
Ending balance | $ | (669,435 | ) |  | $ | (32,373 | ) |  | $ | (59,230 | ) |  | $ | (761,038 | ) |  | $ | (1,072,985 | ) |  | $ | (33,544 | ) |  | $ | (65,533 | ) |  | $ | (1,172,062 | )
The following table presents reclassifications out of accumulated other comprehensive income (loss) for the quarters and six months ended June 30, 2017 and 2016 (in thousands):
|  | Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income |  |
Details About Accumulated Other Comprehensive Income (Loss) Components |  | Quarter Ended June 30, 2017 |  | Quarter Ended June 30, 2016 |  | Six Months Ended June 30, 2017 |  | Six Months Ended June 30, 2016 |  | Affected Line Item in Statements of Comprehensive Income (Loss)
Loss on cash flow derivative hedges: |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps |  | $ | (7,863 | ) |  | $ | (10,938 | ) |  | $ | (16,720 | ) |  | $ | (20,066 | ) |  | Interest expense, net of interest capitalized
Foreign currency forward contracts |  | (2,710 | ) |  | (1,980 | ) |  | (5,420 | ) |  | (2,698 | ) |  | Depreciation and amortization expenses
Foreign currency forward contracts |  | (4,105 | ) |  | (12,830 | ) |  | (7,675 | ) |  | (6,742 | ) |  | Other expense
Foreign currency forward contracts |  | — |  |  | (207 | ) |  | — |  |  | (207 | ) |  | Other operating
Foreign currency collar options |  | (602 | ) |  | (601 | ) |  | (1,204 | ) |  | (1,204 | ) |  | Depreciation and amortization expenses
Fuel swaps |  | 2,498 |  |  | 13,933 |  |  | 4,775 |  |  | 6,597 |  |  | Other expense
Fuel swaps |  | (41,835 | ) |  | (68,129 | ) |  | (81,763 | ) |  | (158,830 | ) |  | Fuel
|  | (54,617 | ) |  | (80,752 | ) |  | (108,007 | ) |  | (183,150 | ) |  |
Amortization of defined benefit plans: |  |  |  |  |  |  |  |  |  |  |
Actuarial loss |  | (293 | ) |  | (285 | ) |  | (557 | ) |  | (1,087 | ) |  | Payroll and related
|  | (293 | ) |  | (285 | ) |  | (557 | ) |  | (1,087 | ) |  |
Total reclassifications for the period |  | $ | (54,910 | ) |  | $ | (81,037 | ) |  | $ | (108,564 | ) |  | $ | (184,237 | ) |  |

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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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