Restructuring costs (Details) $ in Millions	3 Months Ended	9 Months Ended
	Dec. 31, 2023 USD ($)	Sep. 30, 2024 USD ($) individual
Restructuring Cost and Reserve [Line Items]
Workforce reduction costs accrued	$ 6.0
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration]	Selling General And Administrative Expense
Number of individuals impacted from workforce reductions | individual		100
Workforce reduction
Restructuring Cost and Reserve [Line Items]
Accrued workforce reduction costs, Beginning of period		$ 5.0
Workforce reduction costs accrued		2.0
Workforce reduction costs paid		(4.9)
Currency translation adjustments, net		(0.1)
Accrued workforce reduction costs, end of period	$ 5.0	2.0
Workforce reduction | Current Liability
Restructuring Cost and Reserve [Line Items]
Accrued workforce reduction costs, end of period		2.0
Facility Closing
Restructuring Cost and Reserve [Line Items]
Workforce reduction costs accrued		2.0
Accelerated depreciation		$ 14.0