Condensed Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenues:
Total revenues	$ 307.5	$ 343.0
Operating expenses:
Research and development	46.4	52.5
Selling, general and administrative	84.8	80.9
Amortization of intangible assets	14.0	14.9
Total operating expenses	301.1	247.6
Income (loss) from operations	6.4	95.4
Other income (expense):
Interest expense	(8.2)	(8.5)
Other, net	(2.0)	(1.7)
Total other income (expense), net	(10.2)	(10.2)
Income (loss) before income taxes	(3.8)	85.2
Income taxes	0.1	(15.5)
Net income (loss)	$ (3.7)	$ 69.7
Net income (loss) per common share
Basic (in dollars per share)	$ (0.07)	$ 1.31
Diluted (in dollars per share)	$ (0.07)	$ 1.28
Shares used in computing net income (loss) per common share
Basic (in shares)	50.7	53.3
Diluted (in shares)	50.7	54.5
Product sales, net
Revenues:
Services	$ 237.1	$ 137.9
Operating expenses:
Cost of goods and services sold	80.3	52.6
Total contract development and manufacturing
Revenues:
Total contract development and manufacturing	60.8	183.8
Services
Revenues:
Services	51.8	67.6
Operating expenses:
Cost of goods and services sold	75.6	46.7
Leases
Revenues:
Leases	9.0	116.2
Contracts and grants
Revenues:
Services	$ 9.6	$ 21.3