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Other Comprehensive Income (Loss) (Tables) | 3 Months Ended
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Mar. 31, 2013
Other Comprehensive Income (Loss) [Abstract] |
Other Comprehensive Income (Loss) Components And Related Taxes | Other comprehensive income (loss) components, net of tax, are shown in the following table for the three-month periods ended March 31, 2013 and 2012:
(in thousands) |  | Changes in pension plan assets and benefit obligations |  | Unrealized gains and losses on available for sale securities |  | Unrealized net holding loss on cash flow hedge |  | Total
Beginning balance at December 31, 2012 |  | $ | (27,134 | ) |  | $ | 9,616 |  |  | $ | — |  |  | $ | (17,518 | )
| Other comprehensive loss before reclassifications |  | — |  |  | (2,379 | ) |  | — |  |  | (2,379 | )
| Amounts reclassified from accumulated other comprehensive income |  | — |  |  | — |  |  | — |  |  | — |
Net current period other comprehensive loss |  | — |  |  | (2,379 | ) |  | — |  |  | (2,379 | )
Ending balance at March 31, 2013 |  | $ | (27,134 | ) |  | $ | 7,237 |  |  | $ | — |  |  | $ | (19,897 | )
Beginning balance at December 31, 2011 |  | $ | (20,954 | ) |  | $ | 12,673 |  |  | $ | (550 | ) |  | $ | (8,831 | )
Net current period other comprehensive income (loss) |  | 412 |  |  | (2,202 | ) |  | 113 |  |  | (1,677 | )
Ending balance at March 31, 2012 |  | $ | (20,542 | ) |  | $ | 10,471 |  |  | $ | (437 | ) |  | $ | (10,508 | )

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- Definition Tabular disclosure of components of comprehensive income (loss) including, but not limited to: (a) foreign currency translation adjustments; (b) gains (losses) on foreign currency transactions that are designated as, and are effective as, economic hedges of a net investment in a foreign entity; (c) gains (losses) on intercompany foreign currency transactions that are of a long-term-investment nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements; (d) change in the market value of a futures contract that qualifies as a hedge of an asset reported at fair value; (e) unrealized holding gains (losses) on available-for-sale securities and that resulting from transfers of debt securities from the held-to-maturity category to the available-for-sale category; (f) a net loss recognized as an additional pension liability not yet recognized as net periodic pension cost; and (g) the net gain (loss) and net prior service cost or 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=20435746&loc=d3e526-108580 + Details
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