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OTHER - Supplemental Cash Flow Information (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Supplemental disclosure of cash flow information:    
Cash paid for interest $ 8,070 $ 9,066
Cash paid for taxes, net of refunds 173 993
Non-cash investing activities:    
Translation loss adjustment $ (7,207) $ (1,647)