Inventories

9 Months Ended

Sep. 30, 2020

Inventories

Inventories

7.    Inventories

Inventories consisted of the following (dollars in millions):

	September 30,		December 31,
	2020		2019
Raw materials	$	205.1	$	188.8
Work-in-process		261.7		206.4
Finished goods		139.1		104.5
Demonstration units		90.0		77.5
Inventories	$	695.9	$	577.2

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, 2020 and December 31, 2019, the value of inventory-in-transit was $52.7 million and $36.0 million, respectively.