Other Charges, Net - Restructuring Plans (Details) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)
Restructuring charges
Restructuring charges		$ 7.5
Cost of revenue
Restructuring charges
Restructuring charges	$ 1.9	3.9
Other charges, net
Restructuring charges
Restructuring charges	1.8	3.6
BSI
Restructuring charges
Restructuring charges	3.7	7.5
Inventory provisions for excess inventory	0.9	1.1
Severance costs	1.0	3.3
Exit related costs	$ 1.8	3.1
BSI | Bruker BioSpin Group
Restructuring charges
Severance and exit costs		$ 3.3
Reduction in employee headcount (as a percent)	9.00%	9.00%
Cumulative restructuring expenses and other on-time charges from inception	$ 19.5	$ 19.5
BSI | Bruker BioSpin Group | Cost of revenue
Restructuring charges
Severance and exit costs		2.2
BSI | Bruker BioSpin Group | Other charges, net
Restructuring charges
Severance and exit costs		1.1
BSI | Bruker BioSpin Group | Inventory write-downs and asset impairments
Restructuring charges
Cumulative restructuring expenses and other on-time charges from inception	4.2	4.2
BSI | Bruker BioSpin Group | Severance and Exit Costs
Restructuring charges
Cumulative restructuring expenses and other on-time charges from inception	$ 15.3	$ 15.3