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Accumulated Other Comprehensive Income (Tables) | 9 Months Ended
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Sep. 30, 2016
Accumulated Other Comprehensive Income [Abstract] |
Summary Of Accumulated Other Comprehensive Income |
﻿ |  |  |  |  |  |  |  |  |  |  |  |
﻿(Dollars in thousands) |  | Foreign Currency Items |  | Unrealized Gain (Losses) on Available-for-Sale Investments |  | Accrued Pension Service Costs |  | Total
﻿Balance at January 1, 2016 |  | $ | 14,642 |  | $ | 12 |  | $ | (2,848) |  | $ | 11,806
﻿Net current-period other comprehensive income |  |  | 9,296 |  |  | 2 |  |  | 116 |  |  | 9,414
﻿Balance at September 30, 2016 |  | $ | 23,938 |  | $ | 14 |  | $ | (2,732) |  | $ | 21,220
﻿

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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=66004124&loc=d3e526-108580 + Details
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