Restructuring and severance - charges (Details) - USD ($) $ in Millions |
12 Months Ended | ||
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Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
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Restructuring Cost and Reserve [Line Items] | |||
Expenses | $ 3.5 | $ 5.3 | $ 11.8 |
Expenses incurred | 9.6 | ||
2017 restructuring program | |||
Restructuring Cost and Reserve [Line Items] | |||
Expenses | 0.0 | 0.0 | 11.0 |
Expenses incurred | 129.8 | ||
Other | |||
Restructuring Cost and Reserve [Line Items] | |||
Expenses | $ 3.5 | $ 5.3 | $ 0.8 |
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- Definition Amount of costs incurred to date for the specified restructuring cost. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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. No definition available.
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