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Supplemental Financial Information (Inventories) (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Receivables [Abstract]    
Raw materials $ 43,958 $ 43,257
Work-in-process 14,161 8,055
Finished goods 47,721 63,973
Inventories 105,840 115,285 [1]
Provision for obsolescence $ 8,900 $ 6,600
[1] The consolidated balance sheet as of December 31, 2020 has been revised. For further details refer to “Note 1. Nature of Operations.”