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Intangible assets and goodwill - Narrative (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment	$ 218,200,000	$ 0	$ 218,200,000	$ 0
Goodwill	0	$ 224,900,000	0	$ 224,900,000	$ 218,200,000
Products
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment	218,200,000
Goodwill	$ 0		$ 0		$ 218,200,000

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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