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Supplemental Cash Flow Information (Detail) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Supplemental disclosure of cash flow information:    
Cash paid for interest $ 2,998 $ 3,636
Cash paid for taxes 6,361 6,883
Non-cash investing activities:    
Translation adjustment $ 7,140 $ 4,681