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Supplemental Cash Flow Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Supplemental disclosure of cash flow information:      
Cash paid for interest $ 4,909 $ 5,035 $ 4,115
Cash paid for taxes 8,963 4,912 10,862
Non-cash investing activities:      
Translation adjustment $ (5,281) $ (4,736) $ (140)