Significant Accounting Policies (Details 2)
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6 Months Ended | 12 Months Ended |
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Jun. 30, 2013
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Dec. 31, 2012
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Foreign Currency Translation | ||
Threshold percentage used to determine if economic environment is highly inflationary | 100.00% | |
Number of years used to determine if economic environment is highly inflationary | 3 years | |
Operating income of Venezuelan subsidiary as percent of consolidated amount high end of range | 1.00% | |
Cumulative inflation rate of Venezuela in November 2009 and since, low end of range | 100.00% |