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Comprehensive Income and Accumulated Other Comprehensive Income (Loss) (Tables) | 12 Months Ended
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Dec. 31, 2014
Equity [Abstract] |
Total Comprehensive Income | The following table summarizes total comprehensive income:
|  | Years ended December 31, |
|  | 2014 |  |  | 2013 |  |  | 2012 |
|  | (In thousands) |
Net income |  | $ | 74,449 |  |  | $ | 103,313 |  |  | $ | 194,490 |
Foreign currency translation loss, net of $1.8 million, $2.2 million, and $0.0 million tax, respectively |  |  | (10,387 | ) |  |  | (20,720 | ) |  |  | (1,414 | )
Foreign currency hedging instruments, net of $0.0 million, $0.0 million, and $1.6 million tax, respectively |  |  | — |  |  |  | — |  |  |  | 2,467 |
Adjustments to pension and postretirement liability, net of $3.6 million, $14.0 million, and $3.2 million tax, respectively |  |  | (6,463 | ) |  |  | 22,104 |  |  |  | (8,909 | )
Total comprehensive income |  | $ | 57,599 |  |  | $ | 104,697 |  |  | $ | 186,634 |
Components of Other Comprehensive Income (Loss), Net of Tax | The accumulated balances related to each component of other comprehensive income (loss), net of tax, are as follows:
|  | Foreign Currency Translation Component |  |  | Pension and Other Postretirement Benefit Plans |  |  | Accumulated Other Comprehensive Income (Loss) |
|  |  |  |  | (In thousands) |  |  |  |
Balance at December 31, 2012 |  | $ | 28,516 |  |  | $ | (59,081 | ) |  | $ | (30,565 | )
Other comprehensive income (loss) before reclassifications |  |  | (20,720 | ) |  |  | 17,570 |  |  |  | (3,150 | )
Amounts reclassified from accumulated other comprehensive income (loss) |  |  | — |  |  |  | 4,534 |  |  |  | 4,534 |
Net current period other comprehensive income (loss) |  |  | (20,720 | ) |  |  | 22,104 |  |  |  | 1,384 |
Balance at December 31, 2013 |  |  | 7,796 |  |  |  | (36,977 | ) |  |  | (29,181 | )
Other comprehensive loss before reclassifications |  |  | (10,387 | ) |  |  | (9,120 | ) |  |  | (19,507 | )
Amounts reclassified from accumulated other comprehensive income (loss) |  |  | — |  |  |  | 2,657 |  |  |  | 2,657 |
Net current period other comprehensive loss |  |  | (10,387 | ) |  |  | (6,463 | ) |  |  | (16,850 | )
Balance at December 31, 2014 |  | $ | (2,591 | ) |  | $ | (43,440 | ) |  | $ | (46,031 | )
Summary of Effects of Reclassifications from Accumulated Other Comprehensive Income (Loss) | The following table summarizes the effects of reclassifications from accumulated other comprehensive income (loss):
|  | Amount Reclassified from Accumulated Other Comprehensive Income (Loss) |  |  | Affected Line Item in the Consolidated Statements of Operations and Comprehensive Income |
|  | (In thousands) |  |  |  |
Amortization of pension and other postretirement benefit plan items: |  |  |  |  |  |  |  |
Actuarial losses |  | $ | 4,469 |  |  |  | (1 | )
Prior service credit |  |  | (148 | ) |  |  | (1 | )
Total before tax |  |  | 4,321 |  |  |  |  |
Tax benefit |  |  | (1,664 | ) |  |  |  |
Total net of tax |  | $ | 2,657 |  |  |  |  |
(1) | The amortization of these accumulated other comprehensive income (loss) components are included in the computation of net periodic benefit costs (see Note 16).

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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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- Definition Tabular disclosure of components of comprehensive income (loss). Includes, but is not limited to, foreign currency translation adjustments, foreign currency transactions designated as economic hedges of a net investment in foreign entity, gain (loss) and prior service cost (credit) for pension plans and other postretirement benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e526-108580 + Details
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