Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets

Intangible assets consist of the following:

		September 30, 2022						December 31, 2021
(In millions)	Estimated Useful Life	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross carrying Amount		Accumulated Amortization		Net Carrying Amount
Acquired product rights - Libtayo	13 years	$	814.2	$	(15.3)	$	798.9	$	—	$	—	$	—
Other intangibles	5–8 years	10.0		(4.8)		5.2		29.3		(22.6)		6.7
Intangible assets, net		$	824.2	$	(20.1)	$	804.1	$	29.3	$	(22.6)	$	6.7