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Supplemental Cash Flow Information (Detail) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Supplemental disclosure of cash flow information:    
Cash paid for interest $ 2,421 $ 1,842
Cash paid for taxes 4,406 4,891
Non-cash investing activities:    
Translation adjustment $ (1,732) $ 390