Revenues - Revenue by geographic area (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Net sales	$ 1,391.5	$ 1,216.1	$ 1,292.9
North America
Disaggregation of Revenue [Line Items]
Net sales	763.3	676.9	795.7
Asia Pacific
Disaggregation of Revenue [Line Items]
Net sales	385.5	345.4	281.4
Europe, Middle East, and Africa
Disaggregation of Revenue [Line Items]
Net sales	219.6	174.9	193.6
South America
Disaggregation of Revenue [Line Items]
Net sales	$ 23.1	$ 18.9	$ 22.2