Restructuring and Related Impairments - Schedule of Restructuring Expenses (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Restructuring Cost and Reserve [Line Items]
Total	$ 1.2	$ 5.0	$ 1.6
Operating Segments | Medical
Restructuring Cost and Reserve [Line Items]
Total	0.8	4.5	0.3
Operating Segments | Nuclear & Safety
Restructuring Cost and Reserve [Line Items]
Total	0.4	0.5	0.2
Corporate and other
Restructuring Cost and Reserve [Line Items]
Total	$ 0.0	$ 0.0	$ 1.1