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Changes in Accumulated Other Comprehensive (Loss) Income (Tables) | 6 Months Ended
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Jun. 30, 2016
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] |
Schedule of changes in accumulated other comprehensive income (loss) by component | The following table presents the changes in accumulated other comprehensive income (loss) by component for the six months ended June 30, 2016 and 2015 (in thousands):
| Accumulated Other Comprehensive Income (Loss) for the Six Months Ended June 30, 2016 |  | Accumulated Other Comprehensive Income (Loss) for the Six Months Ended June 30, 2015
| 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 | $ | (1,232,073 | ) |  | $ | (26,447 | ) |  | $ | (69,913 | ) |  | $ | (1,328,433 | ) |  | $ | (826,026 | ) |  | $ | (31,207 | ) |  | $ | (39,761 | ) |  | $ | (896,994 | )
Other comprehensive (loss) income before reclassifications | (24,062 | ) |  | (8,184 | ) |  | 4,380 |  |  | (27,866 | ) |  | (183,646 | ) |  | 1,249 |  |  | (19,803 | ) |  | (202,200 | )
Amounts reclassified from accumulated other comprehensive loss | 183,150 |  |  | 1,087 |  |  | — |  |  | 184,237 |  |  | 125,170 |  |  | 1,000 |  |  | — |  |  | 126,170 |
Net current-period other comprehensive income (loss) | 159,088 |  |  | (7,097 | ) |  | 4,380 |  |  | 156,371 |  |  | (58,476 | ) |  | 2,249 |  |  | (19,803 | ) |  | (76,030 | )
Ending balance | $ | (1,072,985 | ) |  | $ | (33,544 | ) |  | $ | (65,533 | ) |  | $ | (1,172,062 | ) |  | $ | (884,502 | ) |  | $ | (28,958 | ) |  | $ | (59,564 | ) |  | $ | (973,024 | )
Schedule of reclassifications out of accumulated other comprehensive income (loss) | The following table presents reclassifications out of accumulated other comprehensive income (loss) for the quarters and six months ended June 30, 2016 and 2015 (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, 2016 |  | Quarter Ended June 30, 2015 |  | Six Months Ended June 30, 2016 |  | Six Months Ended June 30, 2015 |  | Affected Line Item in Statements of Comprehensive Income (Loss)
Loss on cash flow derivative hedges: |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps |  | $ | (10,938 | ) |  | $ | (9,962 | ) |  | $ | (20,066 | ) |  | $ | (16,748 | ) |  | Interest expense, net of interest capitalized
Foreign currency forward contracts |  | (1,980 | ) |  | (685 | ) |  | (2,698 | ) |  | (1,402 | ) |  | Depreciation and amortization expenses
Foreign currency forward contracts |  | (12,830 | ) |  | (239 | ) |  | (6,742 | ) |  | (477 | ) |  | Other income (expense)
Foreign currency forward contracts |  | (207 | ) |  | — |  |  | (207 | ) |  | — |  |  | Other operating
Foreign currency collar options |  | (601 | ) |  | (435 | ) |  | (1,204 | ) |  | (435 | ) |  | Depreciation and amortization expenses
Fuel swaps |  | 13,933 |  |  | — |  |  | 6,597 |  |  | — |  |  | Other income (expense)
Fuel swaps |  | (68,129 | ) |  | (52,416 | ) |  | (158,830 | ) |  | (106,108 | ) |  | Fuel
|  | (80,752 | ) |  | (63,737 | ) |  | (183,150 | ) |  | (125,170 | ) |  |
Amortization of defined benefit plans: |  |  |  |  |  |  |  |  |  |  |
Actuarial loss |  | (285 | ) |  | (354 | ) |  | (1,087 | ) |  | (707 | ) |  | Payroll and related
Prior service costs |  | — |  |  | (84 | ) |  | — |  |  | (293 | ) |  | Payroll and related
|  | (285 | ) |  | (438 | ) |  | (1,087 | ) |  | (1,000 | ) |  |
Total reclassifications for the period |  | $ | (81,037 | ) |  | $ | (64,175 | ) |  | $ | (184,237 | ) |  | $ | (126,170 | ) |  |

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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=36458714&loc=SL7669686-108580 + Details
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