Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation (Details)

v2.4.0.8
Basis of Presentation (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended
Jun. 30, 2013
Dec. 31, 2012
Jun. 30, 2012
Dec. 31, 2011
Jun. 30, 2013
Subsidiary in Venezuela
Jun. 30, 2012
Subsidiary in Venezuela
Jun. 30, 2013
Subsidiary in Venezuela
Jun. 30, 2012
Subsidiary in Venezuela
Feb. 11, 2013
Subsidiary in Venezuela
Dec. 31, 2012
Subsidiary in Venezuela
Jun. 30, 2013
Belarusian subsidiary
Jun. 30, 2012
Belarusian subsidiary
Jun. 30, 2013
Belarusian subsidiary
Jun. 30, 2012
Belarusian subsidiary
Classification of Venezuela as a Highly Inflationary Economy and Devaluation of Its Currency                            
SICAD rate         6.3   6.3   6.3          
Net sales revenue as a percent of consolidated net sales revenue         2.00% 1.80% 2.10% 1.70%     1.90% 1.60% 2.10% 1.70%
Gains or losses from a re-measurement of the financial statements using official exchange rates                         $ 0  
Cash and cash equivalents $ 87,295 $ 79,241 $ 66,353 $ 58,969 $ 2,611   $ 2,611     $ 1,748