Shareholders' Equity - Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract]
Consolidated net income	$ 57.8	$ 49.7	$ 135.2	$ 111.8
Foreign currency translation adjustments	10.3	(76.9)	36.1	(107.4)
Derivatives designated as hedging instruments, net of tax	(15.9)	41.5	(26.6)	62.6
Pension liability adjustments, net of tax	0.7	1.6	0.8	2.1
Comprehensive income	52.9	15.9	145.5	69.1
Less: Comprehensive income (loss) attributable to noncontrolling interests	1.3	(0.4)	2.6	(0.2)
Less: Comprehensive loss attributable to redeemable noncontrolling interest	(0.3)	(0.5)	(0.3)	(0.7)
Comprehensive income attributable to Bruker Corporation	$ 51.9	$ 16.8	$ 143.2	$ 70.0