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Restructuring charges - Narrative (Details) $ in Millions | 1 Months Ended |
--- | --- | ---
Aug. 31, 2024 employee | May 31, 2024 employee positions | Aug. 31, 2023 employee | Jan. 31, 2023 employee | Mar. 31, 2025 USD ($)
January 2023 Restructuring Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Workforce reduction | employee |  |  |  | 125 |
Restructuring charges incurred since inception | $ |  |  |  |  | $ 9.3
August 2023 Restructuring Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Workforce reduction | employee |  |  | 400 |  |
Restructuring charges incurred since inception | $ |  |  |  |  | 19.4
May 2024 Restructuring Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Workforce reduction | employee |  | 300 |  |  |
Restructuring charges incurred since inception | $ |  |  |  |  | 19.1
Number of currently vacant positions eliminated | positions |  | 85 |  |  |
August 2024 Restructuring Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Workforce reduction | employee | 70 |  |  |  |
Restructuring charges incurred since inception | $ |  |  |  |  | $ 2.7

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- Definition Amount of costs incurred to date for the specified restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4.d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4.b.1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 + Details
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