Segment Information - Reconciliation of Operating Profit (Loss) from Segments to Consolidated (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues	$ 307.5	$ 343.0
Gross margin	142.0	222.4
Changes in fair value of contingent consideration	0.5	1.1
Adjusted gross margin	142.5	223.5
Other
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues	9.6	21.3
Gross margin	0.0	0.0
Adjusted gross margin	0.0	0.0
Contracts and grants
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues	9.6	21.3
Contracts and grants | Other
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues	9.6	21.3
Product sales, net
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues	237.1	137.9
Cost of goods and services sold	(80.3)	(52.6)
Services
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues	51.8	67.6
Cost of goods and services sold	(75.6)	(46.7)
Products
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues	237.1	137.9
Gross margin	156.8	85.3
Changes in fair value of contingent consideration	0.5	1.1
Adjusted gross margin	157.3	86.4
Products | Product sales, net
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Cost of goods and services sold	(80.3)	(52.6)
Services
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues	60.8	183.8
Gross margin	(14.8)	137.1
Adjusted gross margin	(14.8)	137.1
Services | Services
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Cost of goods and services sold	$ (75.6)	$ (46.7)