Revenue - Disaggregation (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Revenues disaggregated by Group
Total revenue		$ 800.7	$ 681.9	$ 1,522.4	$ 1,367.2
Revenue recognized at a point in time
Revenues disaggregated by Group
Total revenue		686.5	586.7	1,295.0	1,185.4
Revenue recognized over time
Revenues disaggregated by Group
Total revenue		114.2	95.2	227.4	181.8
United States
Revenues disaggregated by Group
Total revenue		243.7	179.3	438.5	354.4
Germany
Revenues disaggregated by Group
Total revenue		83.5	61.5	150.3	124.1
Rest of Europe
Revenues disaggregated by Group
Total revenue		192.3	161.2	370.4	321.0
CHINA
Revenues disaggregated by Group
Total revenue		120.4	116.5	236.1	224.1
Rest of Asia Pacific
Revenues disaggregated by Group
Total revenue		106.2	106.8	213.2	239.4
Other
Revenues disaggregated by Group
Total revenue		54.6	56.6	113.9	104.2
Operating segments | Bruker BioSpin
Revenues disaggregated by Group
Total revenue		217.5	162.0	400.3	342.3
Operating segments | Bruker CALID
Revenues disaggregated by Group
Total revenue		265.6	227.2	493.5	463.9
Operating segments | Bruker NANO
Revenues disaggregated by Group
Total revenue		252.5	225.1	492.9	434.7
Operating segments | BEST
Revenues disaggregated by Group
Total revenue		69.1	72.7	142.2	134.9
Eliminations
Revenues disaggregated by Group
Total revenue	[1]	$ (4.0)	$ (5.1)	$ (6.5)	$ (8.6)

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