Segment information - Revenue And Operating Profits (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Revenues			$ 4,200.2	$ 3,690.9	$ 3,683.2
Operating Profit			354.7	213.5	236.8
Foreign currency transaction gains (losses)			(30.5)	(11.2)	(22.9)
Reportable Segments:
Segment Reporting Information [Line Items]
Revenues			4,200.2	3,690.9	3,679.7
Operating Profit			627.0	493.6	519.3
Corporate items:
Segment Reporting Information [Line Items]
General, administrative and other expenses			(141.7)	(116.3)	(123.2)
Foreign currency transaction gains (losses)			2.7	(6.5)	(4.8)
Reconciliation of segment policies to GAAP			(17.5)	10.5	0.3
Other items not allocated to segments:
Segment Reporting Information [Line Items]
Acquisitions and dispositions, revenues			0.0	0.0	(0.5)
Reorganization and Restructuring			(43.6)	(66.6)	(28.8)
Acquisitions and dispositions			(71.9)	(83.1)	(88.5)
Chile antitrust matter(e)			(9.5)
Reporting compliance			0.0	(0.5)	(2.1)
ARGENTINA
Segment Reporting Information [Line Items]
Revenues			177.5	171.2	214.4
ARGENTINA | Other items not allocated to segments:
Segment Reporting Information [Line Items]
Argentina highly inflationary impact			(11.9)	(10.7)	(14.5)
North America | Reportable Segments:
Segment Reporting Information [Line Items]
Revenues			1,407.1	1,261.4	1,370.4
Operating Profit			148.4	91.7	104.1
Latin America | Reportable Segments:
Segment Reporting Information [Line Items]
Revenues			1,126.0	1,071.9	1,319.8
Operating Profit			257.3	233.6	296.9
Europe | Reportable Segments:
Segment Reporting Information [Line Items]
Revenues			917.3	753.8	549.6
Operating Profit			89.8	51.2	42.6
Rest of World | Reportable Segments:
Segment Reporting Information [Line Items]
Revenues			749.8	603.8	439.9
Operating Profit			131.5	117.1	75.7
Internal Loss AR Rebuild
Segment Reporting Information [Line Items]
Revenues		$ 4.0
Internal loss	$ (6.4)	$ (13.7)	(3.7)	(6.6)
Internal Loss AR Rebuild | Other items not allocated to segments:
Segment Reporting Information [Line Items]
Revenues			0.0	0.0	4.0
Internal loss			$ 21.1	$ (6.9)	$ (20.9)