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Supplemental Cash Flow Information (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Supplemental disclosure of cash flow information:    
Cash paid for interest $ 1,028 $ 1,151
Cash paid for taxes 5,881 6,018
Non-cash investing activities:    
Translation adjustment $ 1,679 $ 2,705