Condensed Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions		3 Months Ended
		Mar. 31, 2025	Mar. 31, 2024
Revenues:
Total revenues		$ 222.2	$ 300.4
Operating expenses:
Cost of goods and services sold	[1]	88.5	144.6
Research and development		15.1	15.1
Selling, general and administrative		52.4	84.7
Amortization of intangible assets		16.3	16.2
Total operating expenses		172.3	260.6
Income from operations		49.9	39.8
Other income (expense):
Interest expense		(14.7)	(24.3)
Loss on assets held for sale		(12.2)	0.0
Other, net		69.7	(3.4)
Total other income (expense), net		42.8	(27.7)
Income before income taxes		92.7	12.1
Income tax provision		24.7	3.1
Net income		$ 68.0	$ 9.0
Earnings per common share
Basic (in dollars per share)		$ 1.25	$ 0.17
Diluted (in dollars per share)		$ 1.19	$ 0.17
Weighted average shares outstanding
Basic (in shares)		54.4	52.2
Diluted (in shares)		57.3	52.2
Product and services sales, net
Revenues:
Total revenues		$ 209.1	$ 292.4
Contracts and grants
Revenues:
Total revenues		$ 13.1	$ 8.0

[1] (1) Exclusive of intangible asset amortization