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Subsequent events - Narrative (Details) - Oncacare - USD ($) $ in Millions	Apr. 20, 2023	Jul. 24, 2020
Business Acquisition [Line Items]
Business Combination, Consideration Transferred		$ 4.9
Percentage of share capital acquired		49.00%
Subsequent event
Business Acquisition [Line Items]
Business Combination, Consideration Transferred	$ 5.1
Percentage of share capital acquired	51.00%

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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