Revenue - Disaggregation (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenues disaggregated by Group
Total revenue		$ 681.9	$ 588.4	$ 1,367.2	$ 1,183.4
Revenue recognized at a point in time
Revenues disaggregated by Group
Total revenue		586.7	509.2	1,185.4	1,023.2
Revenue recognized over time
Revenues disaggregated by Group
Total revenue		95.2	79.2	181.8	160.2
United States
Revenues disaggregated by Group
Total revenue		179.3	171.5	354.4	326.5
Germany
Revenues disaggregated by Group
Total revenue		61.5	67.3	124.1	125.8
Rest of Europe
Revenues disaggregated by Group
Total revenue		161.2	130.3	321.0	273.7
CHINA
Revenues disaggregated by Group
Total revenue		116.5	93.1	224.1	179.4
Rest of Asia Pacific
Revenues disaggregated by Group
Total revenue		106.8	83.4	239.4	186.0
Other
Revenues disaggregated by Group
Total revenue		56.6	42.8	104.2	92.0
Operating segments | Bruker BioSpin
Revenues disaggregated by Group
Total revenue		162.0	159.8	342.3	317.6
Operating segments | Bruker CALID
Revenues disaggregated by Group
Total revenue		227.2	190.3	463.9	393.5
Operating segments | Bruker NANO
Revenues disaggregated by Group
Total revenue		225.1	182.2	434.7	360.7
Operating segments | BEST
Revenues disaggregated by Group
Total revenue		72.7	59.2	134.9	118.9
Eliminations
Revenues disaggregated by Group
Total revenue	[1]	$ (5.1)	$ (3.1)	$ (8.6)	$ (7.3)

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