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Income taxes (Tables)
3 Months Ended
Mar. 31, 2016
Activities Related to Unrecognized Tax Benefits for Uncertain Tax Positions

The following table summarizes activities related to the Company’s unrecognized tax benefits for uncertain tax positions from January 1, 2016 to March 31, 2016:

 

     2016  

Opening Balance at January 1

   $ 26,357   

Increase related to prior year tax positions, including recorded in acquisition accounting

     13   

Decrease related to prior year tax positions

     (764

Decrease related to prior year tax position due to lapse of applicable statute of limitation

     (166

Decrease related to settlements with tax authorities

     (2,000

Effect of exchange rate changes

     119   
  

 

 

 

Closing Balance at March 31

   $ 23,559