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Supplemental Cash Flow Information (Detail) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Supplemental disclosure of cash flow information:    
Cash paid for interest $ 1,842 $ 3,033
Cash paid for taxes 4,891 3,117
Non-cash investing activities:    
Translation adjustment $ 390 $ (207)