Inventory (Tables)

6 Months Ended

Jun. 30, 2023

Inventory Disclosure [Abstract]

Components of inventory

The components of inventory are summarized as follows:

(In millions)	As of June 30, 2023		As of December 31, 2022
Raw materials	$	452.8	$	413.2
Work in process	751.7		751.9
Finished goods	194.8		200.4
Total inventory	$	1,399.3	$	1,365.5
Balance Sheet Classification:
Inventory	$	1,333.5	$	1,344.4
Investments and other assets	65.8		21.1
Total inventory	$	1,399.3	$	1,365.5