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Accumulated Other Comprehensive Income / (Loss) (Tables) | 12 Months Ended
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Dec. 31, 2013
Accumulated Other Comprehensive Income / (Loss) |
Changes in accumulated other comprehensive income / (loss) by component, net of tax |
(In thousands) |  | Net Gains / (Losses) on Cash Flow Hedges |  | Defined Benefit Pension and Postretirement Benefits |  | Foreign Currency Translation Adjustment |  | Total |
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Balance at December 31, 2010 |  | $ | 10,494 |  | $ | (14,122 | ) | $ | (55 | ) | $ | (3,683 | )
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Other comprehensive income before reclassifications |  |  | 163,704 |  |  | (13,814 | ) |  | — |  |  | 149,890 |
Amounts reclassified from accumulated other comprehensive income |  |  | (52,840 | ) |  | 11,125 |  |  | 55 |  |  | (41,660 | )
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Net current-period other comprehensive income |  |  | 110,864 |  |  | (2,689 | ) |  | 55 |  |  | 108,230 |
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Balance at December 31, 2011 |  | $ | 121,358 |  | $ | (16,811 | ) | $ | — |  | $ | 104,547 |
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Other comprehensive income before reclassifications |  |  | 53,815 |  |  | 1,258 |  |  | — |  |  | 55,073 |
Amounts reclassified from accumulated other comprehensive income |  |  | (144,456 | ) |  | 8,716 |  |  | — |  |  | (135,740 | )
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Net current-period other comprehensive income |  |  | (90,641 | ) |  | 9,974 |  |  | — |  |  | (80,667 | )
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Balance at December 31, 2012 |  | $ | 30,717 |  | $ | (6,837 | ) | $ | — |  | $ | 23,880 |
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Other comprehensive income before reclassifications |  |  | (2,720 | ) |  | 4,641 |  |  | — |  |  | 1,921 |
Amounts reclassified from accumulated other comprehensive income |  |  | (34,548 | ) |  | 386 |  |  | — |  |  | (34,162 | )
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Net current-period other comprehensive income |  |  | (37,268 | ) |  | 5,027 |  |  | — |  |  | (32,241 | )
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Balance at December 31, 2013 |  | $ | (6,551 | ) | $ | (1,810 | ) | $ | — |  | $ | (8,361 | )
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Schedule of amount reclassified from accumulated other comprehensive income / (loss) into the Condensed Consolidated Statement of Operations |
|  | Year Ended December 31, |  |
--- | --- | --- | --- | ---
|  | Affected Line Item in the Condensed Consolidated Statement of Operations
(In thousands) |  | 2013 |  | 2012 |  | 2011
Net Gains / (Losses) on Cash Flow Hedges |  |  |  |  |  |  |  |  |  |  |
Commodity contracts |  | $ | 52,733 |  | $ | 225,108 |  | $ | 84,937 |  | Natural gas revenues
Commodity contracts |  |  | 4,269 |  |  | 11,218 |  |  | 1,403 |  | Crude oil and condensate revenues
Defined Benefit Pension and Postretirement Benefits |  |  |  |  |  |  |  |  |  |  |
Settlement |  |  | — |  |  | — |  |  | (5,523 | ) | General and administrative expense
Amortization of net obligation at transition |  |  | — |  |  | — |  |  | (632 | ) | General and administrative expense
Amortization of prior service cost |  |  | — |  |  | (221 | ) |  | (1,046 | ) | General and administrative expense
Amortization of net loss |  |  | (641 | ) |  | (13,906 | ) |  | (10,975 | ) | General and administrative expense
Foreign currency translation adjustment |  |  | — |  |  | — |  |  | (89 | ) |
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|  |  | 56,361 |  |  | 222,199 |  |  | 68,075 |  | Total before tax
|  |  | (22,199 | ) |  | (86,459 | ) |  | (26,415 | ) | Tax (expense) / benefit
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Total reclassifications for the period |  | $ | 34,162 |  | $ | 135,740 |  | $ | 41,660 |  | Net of tax
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