v3.26.3
Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Earnings used in basic and diluted earnings per share        
Net income $ 7.1 $ 41.7 $ 28.9 $ 47.0
Net income attributable to noncontrolling interests 0.5 0.6 1.8 2.0
Net income attributable to Diebold Nixdorf $ 6.6 $ 41.1 $ 27.1 $ 45.0
Weighted-average common shares in basic earnings per share (in shares) 33.7 36.5 34.4 37.1
Effect of dilutive shares (in shares) 0.9 0.5 0.9 0.4
Weighted-average number of shares used in diluted earnings per share (in shares) 34.6 37.0 35.3 37.5
Net income attributable to Diebold Nixdorf        
Basic earnings per share (in dollars per share) $ 0.20 $ 1.13 $ 0.79 $ 1.21
Diluted earnings per share (in dollars per share) $ 0.19 $ 1.11 $ 0.77 $ 1.20
Anti-dilutive shares        
Anti-dilutive shares not used in calculating diluted weighted-average shares (in shares) 0.1 0.0 0.1 0.2