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Shareholders' Equity - Expense (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense	$ 3.9	$ 3.8	$ 11.5	$ 10.8
Additional information
Weighted average remaining service period			2 years 8 months 12 days
Pre-tax stock-based compensation expense Stock options	3.5		$ 3.5
Incentive Compensation Plan 2016 Member
Additional information
Weighted average remaining service period			2 years 8 months 12 days
Pre-tax stock-based compensation expense Stock options	34.1		$ 34.1
Cost of revenues
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense	0.2	0.6	1.0	1.6
Selling, general and administrative
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense	3.3	2.6	9.2	7.6
Research and development
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense	0.4	0.6	1.3	1.6
Mestrelab and PreOmics
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense	$ 1.3	$ 0.3	$ 11.4	$ 1.1