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Inventories (Tables)
9 Months Ended
Sep. 30, 2020
Inventory Disclosure [Abstract]  
Components Of Inventories
Components of inventories at September 30, 2020 and December 31, 2019 are summarized as follows:
(in thousands)September 30, 2020December 31, 2019
Raw materials$40,371 $42,066 
Work in process8,584 5,496 
Finished goods and parts77,927 63,544 
Inventories$126,882 $111,106