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Summary of significant accounting policies - Schedule of Finite-Lived Intangible Assets (Details) | Sep. 30, 2025
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Patient database |
Indefinite-Lived Intangible Assets [Line Items] |
Estimated Useful Life | 7 years
Technology assets |
Indefinite-Lived Intangible Assets [Line Items] |
Estimated Useful Life | 5 years
Minimum | Customer relationships |
Indefinite-Lived Intangible Assets [Line Items] |
Estimated Useful Life | 8 years
Minimum | Order backlog |
Indefinite-Lived Intangible Assets [Line Items] |
Estimated Useful Life | 3 years
Maximum | Customer relationships |
Indefinite-Lived Intangible Assets [Line Items] |
Estimated Useful Life | 23 years
Maximum | Order backlog |
Indefinite-Lived Intangible Assets [Line Items] |
Estimated Useful Life | 5 years

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