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Supplemental Cash Flow Information (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Supplemental disclosure of cash flow information:    
Cash paid for interest $ 787 $ 1,028
Cash paid for taxes 537 5,881
Non-cash investing activities:    
Translation gain (loss) adjustment $ 1,976 $ (1,679)