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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Shareholders' Equity - Expense (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense	$ 3.8	$ 3.6	$ 7.6	$ 7.0
Additional information
Weighted average remaining service period			2 years
Pre-tax stock-based compensation expense Stock options	2.4		$ 2.4
Incentive Compensation Plan 2016 Member
Additional information
Weighted average remaining service period			2 years
Pre-tax stock-based compensation expense Stock options	22.0		$ 22.0
Cost of revenues
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense	0.3	0.5	0.8	1.0
Selling, general and administrative
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense	3.2	2.6	5.9	5.0
Research and development
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense	0.3	0.5	0.9	1.0
Mestrelab and PreOmics
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense	$ 5.9	$ 0.4	$ 10.1	$ 0.8