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Inventories (Schedule Of Inventories) (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Inventories:    
Raw materials and supplies $ 195,300 $ 132,113
Work in process 161,189 127,127
Finished goods 40,260 30,192
Total $ 396,749 $ 289,432