Segment Information - Reconciliation of Operating Profit (Loss) from Segments to Consolidated (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total revenues	$ 240.0	$ 329.0	$ 790.2	$ 1,069.5
Gross margin	74.0	94.6	281.6	461.3
Changes in fair value of contingent consideration	0.6	0.9	2.4	2.6
Adjusted gross margin	74.6	95.5	284.0	463.9
Other
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues	17.4	16.9	34.3	63.6
Gross margin	0.0	0.0	0.0	0.0
Adjusted gross margin	0.0	0.0	0.0	0.0
Contracts and grants
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues	17.4	16.9	34.3	63.6
Contracts and grants | Other
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues	17.4	16.9	34.3	63.6
Product sales, net
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues	186.2	270.5	660.5	589.6
Cost of goods and services sold	(85.5)	(103.2)	(256.8)	(237.0)
Services
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues	36.2	112.6	90.7	283.7
Cost of goods and services sold	(63.1)	(114.3)	(217.5)	(307.6)
Products
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues	186.2	270.5	660.5	589.6
Gross margin	100.7	167.3	403.7	352.6
Changes in fair value of contingent consideration	0.6	0.9	2.4	2.6
Adjusted gross margin	101.3	168.2	406.1	355.2
Products | Product sales, net
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Cost of goods and services sold	(85.5)	(103.2)	(256.8)	(237.0)
Services
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Gross margin	(26.7)	(72.7)	(122.1)	108.7
Adjusted gross margin	(26.7)	(72.7)	(122.1)	108.7
Revenues	36.4	41.6	95.4	416.3
Services | Services
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Cost of goods and services sold	$ (63.1)	$ (114.3)	$ (217.5)	$ (307.6)