v3.26.1
Loss Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Basic loss per common share computation:        
Net loss attributable to Unisys Corporation $ (95.3) $ (20.1) $ (131.1) $ (49.6)
Weighted average shares (in shares) 72,914 71,261 72,358 70,683
Basic loss per common share (in dollars per share) $ (1.31) $ (0.28) $ (1.81) $ (0.70)
Diluted loss per common share computation:        
Net loss attributable to Unisys Corporation $ (95.3) $ (20.1) $ (131.1) $ (49.6)
Weighted average shares (in shares) 72,914 71,261 72,358 70,683
Plus incremental shares from assumed vesting of employee stock plans (in shares) 0 0 0 0
Adjusted weighted average shares (in shares) 72,914 71,261 72,358 70,683
Diluted loss per common share (in dollars per share) $ (1.31) $ (0.28) $ (1.81) $ (0.70)
Stock options and restricted stock units        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Anti-dilutive restricted stock units (in shares) 2,278 2,306 2,555 2,885