Basis of presentation (Details) $ in Millions	3 Months Ended
	Mar. 31, 2023 USD ($) segment $ / $	Mar. 31, 2022 USD ($) $ / $	Dec. 31, 2022 USD ($) $ / $	Dec. 31, 2021 $ / $
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Number of operating segments | segment	4
Change in allowance estimate	$ 6.3
Net monetary assets	2,448.1		$ 2,597.4
Cash and cash equivalents	816.6		972.0
Goodwill	1,459.2		1,450.9
Restricted cash	$ 401.8		$ 438.5
Uncollectible Receivables
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Change in allowance estimate		$ 16.7
Argentina, Pesos | Argentina
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Percent of Consolidated Revenue	4.00%	5.00%
Rate decrease percent	14.00%	7.00%	42.00%
Official exchange rate | $ / $	208.3	111.1	178.6	103.1
Currency remeasurement loss	$ 9.8	$ 4.9
Net monetary assets	66.0		$ 66.2
Cash and cash equivalents	58.9		57.7
Nonmonetary assets	168.6		168.2
Goodwill	99.8		99.8
Equity securities	1.7		1.9
Debt securities	28.2		27.4
Revolving Credit Facility
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Restricted cash	$ 42.0		$ 40.7