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Stockholders' Equity and Accumulated Other Comprehensive Loss (Tables) | 12 Months Ended
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Dec. 31, 2013
Stockholders' Equity and Accumulated Other Comprehensive Loss |
Schedule of components of accumulated other comprehensive loss, net of related taxes |
|  | Cumulative |  |  |  |  |  |  |  |  |
|  | Foreign |  | Unrealized |  | Unrealized |  |  |  |  |
|  | Currency |  | Gain (Loss) |  | Loss on |  | Unrecognized |  |  |
|  | Translation |  | on |  | Cash Flow |  | Pension |  |  |
(Thousands of dollars) |  | Adjustment |  | Investments |  | Hedges |  | Cost |  | Total |
Balance December 31, 2011 |  | $ | (93,669) |  | $ | (311) |  | $ | - |  | $ | (62,085) |  | $ | (156,065 | )
Balance December 31, 2012 |  | $ | (109,457) |  | $ | 2,232 |  | $ | (113) |  | $ | (64,206) |  | $ | (171,544 | )
Other comprehensive income (loss) before reclassifications |  | (45,956) |  | (1,124) |  | - |  | 32,938 |  | (14,142 | )
Amounts reclassified from accumulated other comprehensive income (loss) |  | - |  | (627)(1) |  | - |  | 4,516(2) |  | 3,889 |
Net current-period other comprehensive income (loss) |  | (45,956) |  | (1,751) |  | - |  | 37,454 |  | (10,253 | )
Balance December 31, 2013 |  | $ | (155,413) |  | $ | 481 |  | $ | (113) |  | $ | (26,752) |  | $ | (181,797 | )
(1) This represents realized gains on the sale of available-for-sale securities and was recorded in other investment income, net. (2) This primarily represents the amortization of actuarial losses that were included in net periodic pension cost and was recorded in operating income. See Note 10 for further discussion.

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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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