v3.26.1
SHARE-BASED COMPENSATION PLANS - Nonqualified Stock Options Narrative (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation expense $ 46.3 $ 50.0 $ 88.8
Nonqualified Options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 5 years    
Nonqualified stock options contractual life (in years) 10 years    
Outstanding, beginning balance (in shares) 2.8    
Intrinsic value of options exercised $ 0.0 0.0 1.2
Share-based compensation expense $ 0.0 $ 0.1 $ 0.3
Nonqualified Options | Tranche One      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vested and expected to vest (in shares) 1.1    
Nonqualified Options | Tranche Two      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vested and expected to vest (in shares) 1.7    
Nonqualified Options | Tranche Two, Subtranche One      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 3 years    
Award vesting rights, percentage 60.00%    
Nonqualified Options | Tranche Two, Subtranche Two      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 4 years    
Award vesting rights, percentage 20.00%    
Nonqualified Options | Tranche Two, Subtranche Three      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 5 years    
Award vesting rights, percentage 20.00%    
Nonqualified Options | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Outstanding options grant price (in dollars per share) $ 11.08    
Exercisable options grant price (in dollars per share) 11.08    
Nonqualified Options | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Outstanding options grant price (in dollars per share) 18.55    
Exercisable options grant price (in dollars per share) $ 18.55