Related party transactions - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Related Party Transaction [Line Items]
Revenues	$ 4.2	$ 3.6
Accounts receivable, net	2.9		$ 1.0
Increase (decrease) in accounts receivable	1.9	0.4
Accrued liabilities	31.8		17.6
Accounts payable	118.6		134.5
Product revenue
Related Party Transaction [Line Items]
Revenues	1.9	3.1
Related Party
Related Party Transaction [Line Items]
Accounts receivable, net	1.3		0.3
Increase (decrease) in accounts receivable	1.3		0.0
Related party transaction, amounts of transaction	0.1
Accrued liabilities	0.0
Accounts payable	0.1		$ 0.1
Related Party \| Product revenue
Related Party Transaction [Line Items]
Revenues		$ 0.9
Revenue from contract with customer, gain (loss) from settlement of prior period sales	$ (0.3)

Revenue from Contract with Customer, Gain (Loss) From Settlement Of Prior Period Sales

No definition available.

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- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.

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- Definition

Amount of transactions with related party during the financial reporting period.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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