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Accumulated Other Comprehensive Income (Tables) | 12 Months Ended
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Dec. 31, 2017
Accumulated Other Comprehensive Income [Abstract] |
Summary of Changes in OCI | The following table summarizes the changes in OCI for 2017:
(In thousands) |  | Cash Flow Hedges (a) |  |  | Pension Items (a) |  |  | Foreign Currency Items |  |  | Total |
Balance as of December 31, 2016 |  | $ | (85 | ) |  | $ | (2,537 | ) |  | $ | (210,843 | ) |  | $ | (213,465 | )
Other comprehensive income before reclassifications |  |  | (768 | ) |  |  | 921 |  |  |  | 55,705 |  |  |  | 55,858 |
Amounts reclassified from OCI |  |  | 184 |  |  |  | 1,307 |  |  |  | 6,782 |  |  |  | 8,273 |
Balance as of December 31, 2017 |  | $ | (669 | ) |  | $ | (309 | ) |  | $ | (148,356 | ) |  | $ | (149,334 | )
| (a) | Cash Flow Hedges and Pension Items are net of tax.

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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=84228862&loc=SL7669686-108580 + Details
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