Segment Information - Schedule of Revenue from External Customers by Geographic Areas (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	$ 860.8	$ 800.9	$ 717.8
Medical
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	299.7	284.5	271.7
Nuclear & Safety
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	561.1	516.4	446.1
North America
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	542.2	512.3	462.7
North America | Medical
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	271.9	258.1	252.0
North America | Nuclear & Safety
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	270.3	254.2	210.7
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	305.6	272.1	241.8
Europe | Medical
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	27.8	26.4	19.7
Europe | Nuclear & Safety
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	277.8	245.7	222.1
Asia Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	13.0	16.5	13.3
Asia Pacific | Medical
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	0.0	0.0	0.0
Asia Pacific | Nuclear & Safety
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	$ 13.0	$ 16.5	$ 13.3