Shareholders' Equity - Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract]
Consolidated net income	$ 77.4	$ 62.1
Foreign currency translation adjustments	25.8	(30.5)
Derivatives designated as hedging instruments, net of tax	(10.7)	21.1
Pension liability adjustments, net of tax	0.1	0.5
Comprehensive income	92.6	53.2
Less: Comprehensive income attributable to noncontrolling interests	1.3	0.2
Less: Comprehensive loss attributable to redeemable noncontrolling interest	0.0	(0.2)
Comprehensive income attributable to Bruker Corporation	$ 91.3	$ 53.2