Revenue - Disaggregation (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenues disaggregated by Group
Total revenue		$ 742.8	$ 638.9	$ 2,110.0	$ 1,822.3
Revenue recognized at a point in time
Revenues disaggregated by Group
Total revenue		643.1	557.0	1,828.5	1,580.2
Revenue recognized over time
Revenues disaggregated by Group
Total revenue		99.7	81.9	281.5	242.1
United States
Revenues disaggregated by Group
Total revenue		211.1	191.8	565.5	518.3
Germany
Revenues disaggregated by Group
Total revenue		78.0	51.9	202.1	177.7
Rest of Europe
Revenues disaggregated by Group
Total revenue		174.0	151.7	495.0	425.4
CHINA
Revenues disaggregated by Group
Total revenue		136.7	111.6	360.8	291.0
Rest of Asia Pacific
Revenues disaggregated by Group
Total revenue		92.6	85.1	332.0	271.1
Other
Revenues disaggregated by Group
Total revenue		50.4	46.8	154.6	138.8
Operating segments | Bruker BioSpin
Revenues disaggregated by Group
Total revenue		198.3	175.7	540.6	493.3
Operating segments | Bruker CALID
Revenues disaggregated by Group
Total revenue		239.3	207.5	703.2	601.0
Operating segments | Bruker NANO
Revenues disaggregated by Group
Total revenue		238.7	199.1	673.4	559.8
Operating segments | BEST
Revenues disaggregated by Group
Total revenue		70.6	59.3	205.5	178.2
Eliminations
Revenues disaggregated by Group
Total revenue	[1]	$ (4.1)	$ (2.7)	$ (12.7)	$ (10.0)

[1] Represents corporate costs and eliminations not allocated to the reportable segments.