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Trade and Other Accounts Receivable, Net
12 Months Ended
Dec. 31, 2020
Receivables [Abstract]  
Trade and Other Accounts Receivable, Net Trade and Other Accounts Receivable, Net
 December 31,
(in thousands)
20202019
Trade receivables$284,759 $289,737 
Income and other tax receivables40,708 34,465 
Other10,928 11,624 
$336,395 $335,826