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Long-lived asset impairment and restructuring charges - Narrative (Details) $ in Millions	1 Months Ended		12 Months Ended
	Aug. 31, 2023 employee	Jan. 31, 2023 employee	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Restructuring Cost and Reserve [Line Items]
Total impairment of long-lived assets			$ 306.7	$ 0.0	$ 0.0
Restructuring charges			29.3
January 2023 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, number of positions eliminated | employee		125
Restructuring charges			9.3
August 2023 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, number of positions eliminated | employee	400
Restructuring charges			$ 20.0

X

- Definition

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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