Basis of presentation (Details) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2024 USD ($) segment	Mar. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2023 USD ($)	Jul. 18, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Number of operating segments | segment	4
Net monetary assets	$ 2,905.1			$ 2,788.3
Cash and cash equivalents	1,122.7			1,176.6
Goodwill	1,457.7			1,473.8
Maco
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Percentage of shares acquired					100.00%
Severance costs	$ 0.7	$ 3.3	$ 12.5
Argentina, Pesos | Argentina
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Percent of consolidated revenue	3.00%	4.00%
Net monetary assets	$ 85.9			72.1
Cash and cash equivalents	74.5			62.5
Nonmonetary assets	141.4			141.9
Goodwill	99.8			99.8
Equity securities	2.7			1.1
Debt securities	$ 6.7			$ 5.6