v3.26.1
NET LOSS ATTRIBUTABLE TO COTY INC. PER COMMON SHARE (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 9 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Amounts attributable to Coty Inc.:        
Net (loss) income attributable to Coty Inc. $ (408.1) $ (405.7) $ (463.8) $ (299.1)
Convertible Series B Preferred Stock dividends (3.3) (3.3) (9.9) (9.9)
Net loss attributable to common stockholders $ (411.4) $ (409.0) $ (473.7) $ (309.0)
Weighted-average common shares outstanding:        
Weighted-average common shares outstanding—Basic (in shares) 879.9 872.1 876.5 870.4
Effect of dilutive stock options and Series A Preferred Stock (in shares) 0.0 0.0 0.0 0.0
Effect of restricted stock and RSUs (in shares) 0.0 0.0 0.0 0.0
Effect of Convertible Series B Preferred Stock (in shares) 0.0 0.0 0.0 0.0
Effect of Forward Repurchase Contracts (in shares) 0.0 0.0 0.0 0.0
Weighted-average common shares outstanding—Diluted (in shares) 879.9 872.1 876.5 870.4
Earnings per common share:        
Earnings per common share - basic (in dollars per share) $ (0.47) $ (0.47) $ (0.54) $ (0.36)
Earnings per common share - diluted (in dollars per share) $ (0.47) $ (0.47) $ (0.54) $ (0.36)
Convertible Series B Preferred Stock dividends $ 3.3 $ 3.3 $ 9.9 $ 9.9
Antidilutive​ fair market value losses (gains) $ 40.7 $ 60.1 $ 105.8 $ 188.9
Stock Options and Series A Preferred Stock        
Earnings per common share:        
Anti-dilutive shares (in shares) 3.4 3.4 3.4 3.5
Series A Preferred Stock        
Earnings per common share:        
Anti-dilutive shares (in shares) 0.0      
RSUs        
Earnings per common share:        
Anti-dilutive shares (in shares) 14.8 14.9 16.1 9.5
Series B Preferred Stock        
Earnings per common share:        
Anti-dilutive shares (in shares) 0.0 0.0 0.0 0.0
Forward Contracts        
Earnings per common share:        
Anti-dilutive shares (in shares) 0.0 0.0 0.0 0.0