v3.26.1
Earnings Per Share - Computation (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Earnings Per Share [Abstract]        
Net (loss) income attributable to Bruker Corporation $ (52.0) $ 7.6 $ (37.6) $ 25.0
Dividends on Series A Mandatory Convertible Preferred Stock 10.9 0.0 21.8 0.0
Net (loss) income attributable to Bruker Corporation common shareholders $ (62.9) $ 7.6 $ (59.4) $ 25.0
Weighted average common shares outstanding:        
Weighted average common shares outstanding - basic 152.3 151.6 152.2 151.6
Effect of dilutive securities:        
Stock options, restricted stock units, and employee stock purchase plan 0.0 0.1 0.0 0.2
Series A Mandatory Convertible Preferred Stock 0.0 0.0 0.0 0.0
Weighted average common shares outstanding - diluted 152.3 151.7 152.2 151.8
Net (loss) income per common share attributable to Bruker Corporation common shareholders:        
Basic $ (0.41) $ 0.05 $ (0.39) $ 0.16
Diluted $ (0.41) $ 0.05 $ (0.39) $ 0.16