Nature of operations and presentation of financial statements (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2024 |
Jun. 30, 2023 |
Jun. 30, 2024 |
Jun. 30, 2023 |
|
| Business Acquisition [Line Items] | ||||
| Impairment charges | $ 0.0 | $ 160.8 | $ 0.0 | $ 160.8 |
| Ritter GmbH | Finite-Lived Intangible Assets | ||||
| Business Acquisition [Line Items] | ||||
| Impairment charges | 106.4 | |||
| Ritter GmbH | Property, Plant and Equipment | ||||
| Business Acquisition [Line Items] | ||||
| Impairment charges | $ 54.4 | |||