Inventories

6 Months Ended

Jun. 30, 2019

Inventories

Inventories

8.    Inventories

Inventories consisted of the following (dollars in millions):

	June 30,		December 31,
	2019		2018
Raw materials	$	195.0	$	164.5
Work-in-process		221.4		182.4
Finished goods		105.6		94.8
Demonstration units		72.6		67.9
Inventories	$	594.6	$	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 June 30, 2019 and December 31, 2018, the value of inventory-in-transit was $35.9 million and $38.3 million, respectively.