Credit losses (Details) $ in Millions	9 Months Ended
	Sep. 30, 2023 USD ($) country
Allowance for Credit Loss [Abstract]
Number of Countries in which Entity Operates | country	100
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for doubtful accounts, beginning balance	$ 38.3
Provision for uncollectible accounts receivable	12.1
Write-offs and recoveries	(16.7)
Foreign currency exchange effects	(0.1)
Allowance for doubtful accounts, ending balance	$ 33.6