Shareholders' Equity - Expense (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense	$ 4.3	$ 3.8
Additional information
Weighted average remaining service period	2 years 2 months 12 days
Expected pre-tax stock-based compensation expense	$ 2.8
2016 Incentive Compensation Plan
Additional information
Weighted average remaining service period	2 years 3 months 18 days
Expected pre-tax stock-based compensation expense	$ 29.6
Cost of revenues
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense	0.3	0.6
Selling, general and administrative
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense	3.6	2.6
Research and development
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense	0.4	0.6
Mestrelab and PreOmics
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense	2.2
Mestrelab, PreOmics, Biognosys And Majority Owned Acquisition [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense		4.2
Stock options
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense	0.4	0.4
Restricted stock units
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense	3.7	3.4
Employee Stock Purchase Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense	$ 0.2	$ 0.0

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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+ References

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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