UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Statement of Comprehensive Income [Abstract]
Consolidated net (loss) income	$ (58.5)	$ 40.3	$ (37.5)	$ 99.9
Other comprehensive income (loss):
Foreign currency translation gain (loss) before income taxes	33.6	69.4	238.2	(39.1)
Income tax expense (benefit) on foreign currency translation adjustments	13.9	2.3	15.4	(0.1)
Foreign currency translation gain (loss) after income taxes	19.7	67.1	222.8	(39.0)
Designated hedging instruments:
Loss on designated hedging instruments before income taxes	(2.8)	(109.5)	(249.2)	(38.1)
Income tax (benefit) related to designated hedging instruments	(0.7)	(26.1)	(59.6)	(9.3)
Loss on designated hedging instruments after income taxes	(2.1)	(83.4)	(189.6)	(28.8)
Pension and other postretirement plans:
Total pension and other postretirement benefit liability adjustments gain (loss) before income taxes	0.1	(0.9)	(5.1)	(0.3)
Income tax benefit related to total pension and other postretirement benefit liability adjustments	0.0	0.2	1.1	0.1
Total pension and other postretirement benefit liability adjustments gain (loss) after income taxes	0.1	(0.7)	(4.0)	(0.2)
Total other comprehensive income (loss)	17.7	(17.0)	29.2	(68.0)
Total Comprehensive (loss) income	(40.8)	23.3	(8.3)	31.9
Less: Comprehensive income (loss) attributable to noncontrolling interests	0.0	0.3	0.0	1.6
Less: Comprehensive income (loss) attributable to redeemable noncontrolling interests	1.0	0.4	2.0	(0.8)
Total Comprehensive (loss) income attributable to Bruker Corporation	$ (41.8)	$ 22.6	$ (10.3)	$ 31.1

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to redeemable noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners.

No definition available.