Shareholders' Equity - Comprehensive Income (Loss) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Summary of comprehensive income (loss)
Consolidated net income	$ 62,100,000	$ 57,800,000
Foreign currency translation adjustments	(30,500,000)	(68,000,000.0)
Derivatives designated as hedging instruments, net of tax	21,100,000	48,500,000
Pension liability adjustments, net of tax	500,000	3,300,000
Net comprehensive income	53,200,000	41,600,000
Less: Comprehensive income attributable to noncontrolling interests	200,000	900,000
Less: Comprehensive loss attributable to redeemable noncontrolling interest	(0.2)	0
Comprehensive income attributable to Bruker Corporation	$ 53,200,000	$ 40,700,000