Supplemental financial information - Other Operating Expenses, Net (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2023 |
Jun. 30, 2022 |
Jun. 30, 2023 |
Jun. 30, 2022 |
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| Other Income and Expenses [Abstract] | ||||
| Acquisition and integration related expenses | $ 0.9 | $ 0.0 | $ 1.1 | $ 0.0 |
| Stock-based compensation expense | 5.5 | 7.8 | 16.1 | 21.7 |
| Restructuring charges | 2.1 | 0.0 | 2.9 | 0.0 |
| Gain on sale of property, plant, and equipment | (2.6) | (1.3) | (3.1) | (2.2) |
| Merger transaction costs | 5.8 | 0.0 | 19.6 | 0.0 |
| Other | 0.8 | (1.2) | 1.3 | 1.5 |
| Total other operating expenses, net | $ 12.5 | $ 5.3 | $ 37.9 | $ 21.0 |
| X | ||||||||||
- Definition Other operating expenses. No definition available.
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| X | ||||||||||
- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs. No definition available.
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| X | ||||||||||
- Definition Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of noncash expense for share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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