Shareholders' Equity - Expense (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense	$ 4.4	$ 3.8	$ 8.7	$ 7.6
Additional information
Weighted average remaining service period			1 year 10 months 24 days
Expected pre-tax stock-based compensation expense	2.4		$ 2.4
2016 Incentive Compensation Plan
Additional information
Weighted average remaining service period			2 years 1 month 6 days
Expected pre-tax stock-based compensation expense	25.8		$ 25.8
Cost of revenues
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense	0.4	0.3	0.7	0.8
Selling, general and administrative
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense	3.5	3.2	7.1	5.9
Research and development
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense	0.5	0.3	0.9	0.9
Mestrelab Preomics Biognosys Zontal Acquisitions and Majority Owned Acquisition
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense	1.2	5.9	3.4	10.1
Employee Stock Option
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense	0.4	0.4	0.8	0.8
Restricted stock units
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense	3.8	3.4	7.5	6.8
Employee Stock Purchase Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense	$ 0.2	$ 0.0	$ 0.4	$ 0.0