Segment financial information - reportable segments (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Information by reportable segment
Net sales	$ 1,702.8	$ 1,743.9	$ 3,382.6	$ 3,524.2
Adjusted Operating Income	277.2	318.9	535.6	642.0
Corporate
Information by reportable segment
Adjusted Operating Income	(17.7)	(15.0)	(34.4)	(31.6)
Laboratory Solutions
Information by reportable segment
Net sales	1,155.7	1,193.8	2,312.8	2,396.8
Laboratory Solutions \| Operating Segments
Information by reportable segment
Adjusted Operating Income	150.9	179.7	299.1	351.9
Bioscience Production
Information by reportable segment
Net sales	547.1	550.1	1,069.8	1,127.4
Bioscience Production \| Operating Segments
Information by reportable segment
Adjusted Operating Income	$ 144.0	$ 154.2	$ 270.9	$ 321.7

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details