Inventories

9 Months Ended

Sep. 30, 2019

Inventories

Inventories

8.    Inventories

Inventories consisted of the following (dollars in millions):

	September 30,		December 31,
	2019		2018
Raw materials	$	194.6	$	164.5
Work-in-process		216.3		182.4
Finished goods		101.8		94.8
Demonstration units		74.0		67.9
Inventories	$	586.7	$	509.6

Finished goods include in-transit systems that have been shipped to the Company's customers, but not yet installed and accepted by the customer. As of September 30, 2019 and December 31, 2018, the value of inventory-in-transit was $27.8 million and $38.3 million, respectively.