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Accumulated Other Comprehensive Income ("AOCI") (Tables) | 3 Months Ended
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Mar. 31, 2015
Equity [Abstract] |
Summary of Total Changes in AOCI by Component, Net of Tax | The following tables set forth the total changes in AOCI by component, net of tax:
|  | Three Months Ended March 31, 2015 |  |  | Three Months Ended March 31, 2014 |
|  | Defined benefit pension plan activity |  |  | Currency Translation Adjustment |  |  | Total |  |  | Defined benefit pension plan activity |  |  | Currency Translation Adjustment |  |  | Total |
Balance at January 1 |  | $ | (7,007 | ) |  | $ | (28,127 | ) |  | $ | (35,134 | ) |  | $ | (1,905 | ) |  | $ | (15,797 | ) |  | $ | (17,702 | )
Other comprehensive income (loss) before reclassifications: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on foreign currency translation adjustment |  |  | 0 |  |  |  | (8,614 | ) |  |  | (8,614 | ) |  |  | 0 |  |  |  | 1,830 |  |  |  | 1,830 |
Amounts reclassified from AOCI: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization of defined benefit pension actuarial loss (a) |  |  | 86 |  |  |  | 0 |  |  |  | 86 |  |  |  | 2 |  |  |  | 0 |  |  |  | 2 |
Net current period other comprehensive income (loss) |  |  | 86 |  |  |  | (8,614 | ) |  |  | (8,528 | ) |  |  | 2 |  |  |  | 1,830 |  |  |  | 1,832 |
Balance at March 31 |  | $ | (6,921 | ) |  | $ | (36,741 | ) |  | $ | (43,662 | ) |  | $ | (1,903 | ) |  | $ | (13,967 | ) |  | $ | (15,870 | )
(a) | This AOCI component is included in the computation of net periodic pension costs.

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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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