Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Summary of comprehensive income
Consolidated net income	$ 23.1	$ 16.8	$ 30.0	$ 26.8
Foreign currency translation adjustments	35.8	(3.5)	(37.1)	(0.6)
Pension liability adjustments	0.5		8.8	(0.1)
Other				0.3
Net comprehensive income	59.4	13.3	1.7	26.4
Less: Comprehensive income attributable to noncontrolling interests	0.8	0.5	1.2	2.1
Comprehensive income attributable to Bruker Corporation	$ 58.6	$ 12.8	$ 0.5	$ 24.3