Inventories

3 Months Ended

Mar. 31, 2020

Inventories

Inventories

8.    Inventories

Inventories consisted of the following (dollars in millions):

	March 31,		December 31,
	2020		2019
Raw materials	$	194.9	$	188.8
Work-in-process		236.6		206.4
Finished goods		115.0		104.5
Demonstration units		79.0		77.5
Inventories	$	625.5	$	577.2

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 the systems were not installed and accepted by the customer. As of March 31, 2020, and December 31, 2019, the value of inventory-in-transit was $37.4 million and $36.0 million, respectively.