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Inventories (Tables)
6 Months Ended
Jun. 30, 2023
Inventory Disclosure [Abstract]  
Components of Inventories
Components of inventories at June 30, 2023 and December 31, 2022 are summarized as follows:
(in thousands)June 30, 2023December 31, 2022
Raw materials$64,169 $59,907 
Work in process3,695 4,972 
Finished goods and parts88,289 72,953 
Total inventories$156,153 $137,832