Inventories

3 Months Ended

Mar. 31, 2022

Inventories

Inventories

5.Inventories

Inventories consisted of the following (in millions):

	March 31, 2022		December 31, 2021
Raw materials	$	238.8	$	218.7
Work-in-process		266.3		254.9
Finished goods		145.3		144.9
Demonstration units		89.5		91.6
Inventories	$	739.9	$	710.1

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 of March 31, 2022, and December 31, 2021, the value of inventory-in-transit was $54.4 million and $49.5 million, respectively.