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Property, plant, and equipment - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Property, Plant and Equipment [Line Items]
Tangible asset impairment charges	$ 29.0	$ 1.0	$ 29.0	$ 2.0
Impairment of assets held-for-sale	4.0		4.0
Kennewick, Washington Warehouse Fire
Property, Plant and Equipment [Line Items]
Tangible asset impairment charges	$ 24.0		$ 24.0

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- Definition

The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

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The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.

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