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Other Comprehensive Income (Tables) | 9 Months Ended
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Sep. 30, 2014 | Sep. 30, 2013
Other Comprehensive Income [Abstract] |  |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] | Changes in AOCI by component for the nine months ended September 30, 2014 are summarized as follows:
|  | Defined Benefit Plans |  | Derivative Instruments |  | Foreign Currency Translation |  | Total
|  | (dollars in thousands)
Balance, December 31, 2013 |  | $ | (10,840 | ) |  | $ | 1,060 |  |  | $ | 37,610 |  |  | $ | 27,830 |
Net unrealized (losses) arising during the period |  | — |  |  | (90 | ) |  | (5,760 | ) |  | (5,850 | )
Less: Net realized (losses) reclassified to net income (a) |  | (530 | ) |  | (120 | ) |  | — |  |  | (650 | )
Net current-period change |  | 530 |  |  | 30 |  |  | (5,760 | ) |  | (5,200 | )
Balance, September 30, 2014 |  | $ | (10,310 | ) |  | $ | 1,090 |  |  | $ | 31,850 |  |  | $ | 22,630 |
__________________________ (a) Defined benefit plans, net of income tax of $0.2 million. See Note 17, "Defined Benefit Plans," for additional details. Derivative instruments, net of income tax of $0.2 million. See Note 12, "Derivative Instruments," for further details. | Changes in AOCI by component for the nine months ended September 30, 2013 are summarized as follows:
|  | Defined Benefit Plans |  | Derivative Instruments |  | Foreign Currency Translation |  | Total
|  | (dollars in thousands)
Balance, December 31, 2012 |  | $ | (12,440 | ) |  | $ | (1,680 | ) |  | $ | 53,380 |  |  | $ | 39,260 |
Net unrealized gains (losses) arising during the period |  | 600 |  |  | 3,340 |  |  | (4,630 | ) |  | (690 | )
Less: Net realized gains (losses) reclassified to net income (a) |  | — |  |  | (610 | ) |  | 7,910 |  |  | 7,300 |
Net current-period change |  | 600 |  |  | 3,950 |  |  | (12,540 | ) |  | (7,990 | )
Balance, September 30, 2013 |  | $ | (11,840 | ) |  | $ | 2,270 |  |  | $ | 40,840 |  |  | $ | 31,270 |
__________________________ (a) Derivative instruments, net of income tax of $0.4 million. See Note 12, "Derivative Instrument s," for additional details. Foreign currency translation, see Note 4, "Facility Closure and Sale of Business," for further details.

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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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