Restructuring and Asset Impairments - Summary of restructuring costs by segment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Restructuring charges
Restructuring expenses	$ 24.7	$ 22.3	$ 4.8
Corporate
Restructuring charges
Restructuring expenses	$ 0.5	$ 0.8	$ 2.1
Restructuring Incurred Cost Statement Of Income Or Comprehensive Income Extensible Enumeration Not Disclosed Flag	Other Nonrecurring Expense	Other Nonrecurring Expense	Other Nonrecurring Expense
Cost of revenues
Restructuring charges
Restructuring expenses	$ 11.6	$ 3.5	$ 0.9
Restructuring Incurred Cost Statement Of Income Or Comprehensive Income Extensible Enumeration Not Disclosed Flag	Cost of Revenue	Cost of Revenue	Cost of Revenue
Cost of revenues | BSI BioSpin
Restructuring charges
Restructuring expenses	$ 1.0	$ 0.0	$ 0.7
Cost of revenues | BSI CALID
Restructuring charges
Restructuring expenses	1.0	1.5	0.3
Cost of revenues | BSI Nano
Restructuring charges
Restructuring expenses	9.6	2.0	(0.1)
Other charges, net
Restructuring charges
Restructuring expenses	$ 13.1	$ 18.8	$ 3.9
Restructuring Incurred Cost Statement Of Income Or Comprehensive Income Extensible Enumeration Not Disclosed Flag	Other Nonrecurring Expense	Other Nonrecurring Expense	Other Nonrecurring Expense
Other charges, net | BSI BioSpin
Restructuring charges
Restructuring expenses	$ 1.6	$ 1.7	$ 1.3
Other charges, net | BSI CALID
Restructuring charges
Restructuring expenses	2.2	1.9	0.3
Other charges, net | BSI Nano
Restructuring charges
Restructuring expenses	$ 8.8	$ 14.4	$ 0.2