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Inventories

9 Months Ended

Sep. 30, 2021

5.	Inventories

Inventories consisted of the following (dollars in millions):


	September 30, 2021		December 31, 2020
Raw materials	$	209.9	$	198.8
Work-in-process		272.5		245.7
Finished goods		155.9		152.1
Demonstration units		94.5		95.7

Inventories	$	732.8	$	692.3

Finished goods include

in-transit

systems that have been shipped to the Company’s customers for which control has not passed to the customers. As of September 30, 2021, and December 31, 2020, the value of

inventory-in-transit

was $53.9 million and $67.8 million, respectively.