Inventories

12 Months Ended

Dec. 31, 2020

Inventories

Inventories

7.    Inventories

Inventories consisted of the following (in millions):

	2020		2019
Raw materials	$	198.8	$	188.8
Work-in-process		245.7		206.4
Finished goods		152.1		104.5
Demonstration units		95.7		77.5
Inventories	$	692.3	$	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. At December 31, 2020 and 2019, inventory-in-transit was $67.8 million and $36.0 million, respectively.