Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The following table shows changes in the carrying amount of goodwill by reportable segment as of December 31, 2025, December 31, 2024, and December 31, 2023 (in millions):

	Medical		Nuclear & Safety		Consolidated
Balance—December 31, 2023	$	633.4	$	814.2	$	1,447.6
Measurement period adjustment	1.3		—		1.3
Translation adjustment	—		(22.0)		(22.0)
Other	(0.7)		—		(0.7)
Balance—December 31, 2024	634.0		792.2		1,426.2
Acquisition of Certrec	—		55.7		55.7
Acquisition of Paragon	—		343.7		343.7
Translation adjustment	—		46.8		46.8
Balance—December 31, 2025	$	634.0	$	1,238.4	$	1,872.4

Gross carrying amounts and cumulative goodwill impairment losses are as follows (in millions):

	December 31, 2025				December 31, 2024
	Gross Carrying Amount		Cumulative Impairment		Gross Carrying Amount		Cumulative Impairment
Goodwill	$	2,084.2	$	(211.8)	$	1,638.0	$	(211.8)

Schedule of Finite-Lived Intangible Assets

A summary of intangible assets useful lives, gross carrying value and related accumulated amortization is below (in millions):

		December 31, 2025
	Original Average  Life in Years	Gross Carrying  Amount		Accumulated  Amortization		Net Book  Value
Customer relationships	6 - 13	$	524.6	$	(240.5)	$	284.1
Distributor relationships	7 - 13	61.2		(30.6)		30.6
Developed technology	5 - 16	345.0		(140.1)		204.9
Trade names	3 - 10	115.8		(43.1)		72.7
Remaining performance obligations and other	1 - 4	15.1		(1.1)		14.0
Total		$	1,061.7	$	(455.4)	$	606.3
		December 31, 2024
	Original Average  Life in Years	Gross Carrying  Amount		Accumulated  Amortization		Net Book  Value
Customer relationships	6 - 13	$	335.6	$	(190.9)	$	144.7
Distributor relationships	7 - 13	60.8		(23.2)		37.6
Developed technology	5 - 16	258.7		(100.2)		158.5
Trade names	3 - 10	97.8		(31.5)		66.3
Remaining performance obligations and other	1 - 4	23.3		(18.8)		4.5
Total		$	776.2	$	(364.6)	$	411.6

Schedule of Finite-lived Intangible Assets Amortization Expense

Aggregate amortization expense for intangible assets included in cost of revenues and operating expenses was as follows (in millions):

	Fiscal Year Ended December 31, 2025		Fiscal Year Ended December 31, 2024		Fiscal Year Ended December 31, 2023
Amortization expense for intangible assets in:
Cost of revenues	$	27.6	$	27.0	$	27.1
Operating expenses	$	74.8	$	91.5	$	104.2

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Estimated future annual amortization expense is as follows (in millions):

Fiscal year ending December 31:
2026	$	118.0
2027	103.2
2028	85.4
2029	69.1
2030	61.5
2031 and thereafter	169.1
Total	$	606.3