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Accumulated Other Comprehensive Loss (Tables) | 3 Months Ended
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Mar. 31, 2017
Accumulated Other Comprehensive Loss [Line Items] |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] | The following tables represent changes in accumulated other comprehensive loss by component:
| Foreign currency translation adjustments |  | Pension liability adjustments, net of taxes |  | Accumulated other comprehensive loss
Balance at December 31, 2016 | $ | (24,701 | ) |  | $ | (10,511 | ) |  | $ | (35,212 | )
Other comprehensive income | 2,474 |  |  | — |  |  | 2,474 |
Amounts reclassified from accumulated other comprehensive loss, net of income taxes of $108 (1) | — |  |  | 202 |  |  | 202 |
Net current-period other comprehensive income, net of taxes | 2,474 |  |  | 202 |  |  | 2,676 |
Balance at March 31, 2017 | $ | (22,227 | ) |  | $ | (10,309 | ) |  | $ | (32,536 | )
| Foreign currency translation adjustments |  | Pension liability adjustments, net of taxes |  | Accumulated other comprehensive loss
Balance at December 31, 2015 | $ | (12,513 | ) |  | $ | (12,391 | ) |  | $ | (24,904 | )
Other comprehensive income | 6,230 |  |  | — |  |  | 6,230 |
Amounts reclassified from accumulated other comprehensive loss, net of income taxes of $134 (1) | — |  |  | 250 |  |  | 250 |
Net current-period other comprehensive income, net of taxes | 6,230 |  |  | 250 |  |  | 6,480 |
Balance at March 31, 2016 | $ | (6,283 | ) |  | $ | (12,141 | ) |  | $ | (18,424 | )

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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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=66004124&loc=SL7669686-108580 + Details
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