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CONDENSED CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2013 | Jun. 30, 2012
CONDENSED CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME |  |  |  |  |  |  |  |
Net income | $ 89,114 |  | $ 35,937 |  | $ 131,938 |  | $ 54,255 |
Other comprehensive income / (loss), net of taxes: |  |  |  |  |  |  |  |
Reclassification adjustment for settled hedge contracts | (1,105) | [1] | (44,579) | [1] | (10,430) | [1] | (78,649) | [1]
Changes in fair value of hedge contracts | 69,839 | [2] | 11,246 | [2] | 32,864 | [2] | 54,451 | [2]
Pension and postretirement benefits: |  |  |  |  |  |  |  |
Amortization of prior service cost |  |  | 67 | [3] |  |  | 135 | [3]
Amortization of net loss | 124 | [4] | 4,174 | [4] | 249 | [4] | 8,349 | [4]
Total other comprehensive income / (loss) | 68,858 |  | (29,092) |  | 22,683 |  | (15,714) |
Comprehensive income / (loss) | $ 157,972 |  | $ 6,845 |  | $ 154,621 |  | $ 38,541 |
[1] | Net of income taxes of $717 and $28,263 for the three months ended June 30, 2013 and 2012, respectively, and $6,762 and $49,863 for the six months ended June 30, 2013 and 2012, respectively.
[2] | Net of income taxes of $(45,274) and $(7,130) for the three months ended June 30, 2013 and 2012, respectively, and $(21,303) and $(34,653) for the six months ended June 30, 2013 and 2012, respectively.
[3] | Net of income taxes of $0 and $(43) for the three months ended June 30, 2013 and 2012, respectively, and $0 and $(86) for the six months ended June 30, 2013 and 2012, respectively.
[4] | Net of income taxes of $(81) and $(2,647) for the three months ended June 30, 2013 and 2012, respectively, and $(161) and $(5,294) for the six months ended June 30, 2013 and 2012, respectively.

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