Credit losses (Details) $ in Millions	6 Months Ended
	Jun. 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	9.6
Write-offs and recoveries	(7.8)
Foreign currency exchange effects	0.3
Allowance for doubtful accounts, ending balance	$ 40.4