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Inventories
9 Months Ended
Sep. 30, 2022
Inventory Disclosure [Abstract]  
Inventories Inventories
Our significant components of inventory at September 30, 2022 and December 31, 2021 were as follows (in thousands):
September 30, 2022December 31, 2021
Raw materials and parts$97,409 $97,053 
Work in process29,805 24,618 
Finished goods185,159 182,954 
Gross inventories312,373 304,625 
Inventory reserve(41,747)(62,885)
Inventories$270,626 $241,740