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Accumulated Other Comprehensive Income Loss (Tables) | 6 Months Ended
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Jun. 30, 2013
Accumulated Other Comprehensive Income (Loss) [Abstract] |
Summary of changes in accumulated other comprehensive income (loss) | The changes in accumulated other comprehensive income (loss) for the six-month period ended June 30, 2013 are as follows:
|  | Changes in Accumulated Other Comprehensive Income (Loss) by Component for the Six Months Ended June 30, 2013 |
|  | Gains and Losses on Cash Flow Hedges |  |  | Defined Benefit Pension Plan |  |  | Total Accumulated Other Comprehensive Income (Loss) |
|  | (In thousands) |
Beginning balance at December 31, 2012 |  | $ | (19,488 | ) |  | $ | (475 | ) |  | $ | (19,963 | )
Other comprehensive income (loss) before reclassifications (1) |  |  | 4,440 |  |  |  | — |  |  |  | 4,440 |
Amounts reclassified out of accumulated other comprehensive income (loss) (2) |  |  | 3,637 |  |  |  | — |  |  |  | 3,637 |
Net current-period other comprehensive income (loss) |  |  | 8,077 |  |  |  | — |  |  |  | 8,077 |
Ending balance at June 30, 2013 |  | $ | (11,411 | ) |  | $ | (475 | ) |  | $ | (11,886 | )
(1) | Net of tax expense of $2,721.
(2) | Net of tax expense of $2,229.

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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=28358780&loc=SL7669686-108580 + Details
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