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Accumulated Other Comprehensive Income | 12 Months Ended
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Dec. 31, 2017
Equity [Abstract] |
Accumulated Other Comprehensive Income | 14 Accumulated Other Comprehensive Income The components of accumulated other comprehensive income are detailed as follows (in thousands):
|  |  | Currency Translation |  | Unrealized Gain (Loss) on Retirement Plans |  | Unrealized Gain (Loss) on Investments |  | Accumulated Other Comprehensive Income (Loss)
Balance at December 31, 2016 |  | $ | (170,566) |  | $ | (43,894) |  | $ | (1,820) |  | $ | (216,280)
| Other comprehensive income (loss), net of tax |  |  | 101,148 |  |  | 6,791 |  |  | (1,726) |  |  | 106,213
Balance at December 31, 2017 |  | $ | (69,418) |  | $ | (37,103) |  | $ | (3,546) |  | $ | (110,067)

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI http://asc.fasb.org/topic&trid=2134417 + Details
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- References No definition available. + Details
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