Revenue - Disaggregation (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2023	Mar. 31, 2022
Revenues disaggregated by Group
Total revenue		$ 685.3	$ 595.0
Revenue recognized at a point in time
Revenues disaggregated by Group
Total revenue		598.7	514.0
Revenue recognized over time
Revenues disaggregated by Group
Total revenue		86.6	81.0
United States
Revenues disaggregated by Group
Total revenue		175.1	155.0
Germany
Revenues disaggregated by Group
Total revenue		62.6	58.5
Rest of Europe
Revenues disaggregated by Group
Total revenue		159.8	143.4
CHINA
Revenues disaggregated by Group
Total revenue		107.6	86.3
Rest of Asia Pacific
Revenues disaggregated by Group
Total revenue		132.6	102.6
Other
Revenues disaggregated by Group
Total revenue		47.6	49.2
Operating segments | Bruker BioSpin
Revenues disaggregated by Group
Total revenue		180.3	157.8
Operating segments | Bruker CALID
Revenues disaggregated by Group
Total revenue		236.7	203.2
Operating segments | Bruker Nano
Revenues disaggregated by Group
Total revenue		209.6	178.5
Operating segments | BEST
Revenues disaggregated by Group
Total revenue		62.2	59.7
Eliminations
Revenues disaggregated by Group
Total revenue	[1]	$ (3.5)	$ (4.2)

[1] Represents product and service revenue between reportable segments.