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Accumulated Other Comprehensive Loss (Tables) | 6 Months Ended
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Jun. 30, 2013
Equity [Abstract] |
Amounts Included in Accumulated Other Comprehensive Loss, Net of Tax | Amounts included in accumulated other comprehensive loss, net of tax, are as follows:
| Unrecognized Net Defined Benefit Plan Costs |  | Change in Fair Value of Derivatives |  | Foreign Currency Translation |  | Total
| (Dollars in thousands)
Balance at December 31, 2012 | $ | (105,675 | ) |  | $ | (7,727 | ) |  | $ | 3,489 |  |  | $ | (109,913 | )
Other comprehensive loss before reclassifications | 318 |  |  | 1,144 |  |  | (16,589 | ) |  | (15,127 | )
Amounts reclassified from accumulated other comprehensive loss | 3,441 |  |  | 1,717 |  |  | — |  |  | 5,158 |
Other comprehensive loss | 3,759 |  |  | 2,861 |  |  | (16,589 | ) |  | (9,969 | )
Balance at June 30, 2013 | $ | (101,916 | ) |  | $ | (4,866 | ) |  | $ | (13,100 | ) |  | $ | (119,882 | )

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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=20435746&loc=SL7669686-108580 + Details
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