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Supplemental Cash Flow Information (Detail) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Supplemental disclosure of cash flow information:    
Cash paid for interest $ 9,066 $ 5,614
Cash paid for taxes 993 2,763
Non-cash investing activities:    
Translation loss adjustment $ (1,647) $ (2,109)