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Basis of Presentation (Details) (USD $) In Thousands, unless otherwise specified |  |  |  |  | 3 Months Ended | 6 Months Ended |  |  |  |  | 6 Months Ended |  |  |  |  | 3 Months Ended | 6 Months Ended
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Jun. 30, 2014 | Dec. 31, 2013 | Jun. 30, 2013 | Dec. 31, 2012 | Jun. 30, 2014 Subsidiary in Venezuela [Member] | Jun. 30, 2013 Subsidiary in Venezuela [Member] | Jun. 30, 2014 Subsidiary in Venezuela [Member] | Jun. 30, 2013 Subsidiary in Venezuela [Member] | Dec. 31, 2013 Subsidiary in Venezuela [Member] | Dec. 31, 2013 Subsidiary in Venezuela [Member] Currency Control Agency [Member] | Feb. 11, 2013 Subsidiary in Venezuela [Member] Currency Control Agency [Member] | Jun. 30, 2014 Subsidiary in Venezuela [Member] Currency Control Agency [Member] Medicinal Products [Member] | Dec. 31, 2013 Subsidiary in Venezuela [Member] Currency Control Agency [Member] Medicinal Products [Member] | Jun. 30, 2014 Subsidiary in Venezuela [Member] First Complementary System for Foreign Currency Administration [Member] | Jan. 24, 2014 Subsidiary in Venezuela [Member] First Complementary System for Foreign Currency Administration [Member] | Dec. 31, 2013 Subsidiary in Venezuela [Member] First Complementary System for Foreign Currency Administration [Member] | Dec. 31, 2013 Subsidiary in Venezuela [Member] First Complementary System for Foreign Currency Administration [Member] Other Beneficial Products [Member] | Jan. 24, 2014 Subsidiary in Venezuela [Member] New Currency Control Agency [Member] | Jun. 30, 2014 Subsidiary in Venezuela [Member] Second Complementary System for Foreign Currency Administration [Member] | Jun. 30, 2014 Belarusian Subsidiaries [Member] | Jun. 30, 2013 Belarusian Subsidiaries [Member] | Jun. 30, 2014 Belarusian Subsidiaries [Member] | Jun. 30, 2013 Belarusian Subsidiaries [Member]
Classification of Venezuela and Belarus as a Highly Inflationary Economy and Devaluation of Its Currencies |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exchange rate |  |  |  |  |  |  |  |  |  | 6.3 | 6.3 | 6.3 | 6.3 | 11.3 | 11.3 | 11.3 | 11.3 | 6.3 | 50.0 |  |  |  |
Foreign exchange loss from a re-measurement of assets and liabilities using official exchange rates |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 845 |  |  |  |  |  |  |  |  |
Net sales revenue as a percent of consolidated net sales revenue |  |  |  |  | 1.60% | 2.00% | 2.00% | 2.10% |  |  |  |  |  |  |  |  |  |  |  | 2.30% | 1.90% | 2.40% | 2.10%
Cash and cash equivalents | 68,555 | 77,247 | 87,295 | 79,241 | 2,906 |  | 2,906 |  | 3,922 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net assets |  |  |  |  | 4,884 |  | 4,884 |  | 5,721 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, plant and equipment, net | $ 41,066 | $ 32,022 |  |  | $ 3,016 |  | $ 3,016 |  | $ 3,207 |  |  |  |  |  |  |  |  |  |  |  |  |  |

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