v3.26.3
Stock-Based Compensation and Incentive Performance Plans - Weighted Average Assumptions Long-Term Incentive Program (Details) - $ / shares
12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2023
Relative TSR Performance Shares | 2025-2027 LTIP        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Grant date fair value (per target share)   $ 9.89    
Risk-free interest rate   4.09%    
Expected volatility   20.90%    
Expected term   3 years    
Relative TSR Performance Shares | 2024-2026 LTIP        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Grant date fair value (per target share)     $ 15.42  
Risk-free interest rate     4.98%  
Expected volatility     23.10%  
Expected term     3 years  
Relative TSR Performance Shares | 2023-2025 LTIP        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Grant date fair value (per target share)       $ 15.42
Risk-free interest rate       4.98%
Expected volatility       23.10%
Expected term       3 years
Relative TSR Performance Shares | 2026-2029 LTIP        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Grant date fair value (per target share) $ 0.89      
Risk-free interest rate 3.58%      
Expected volatility 18.80%      
Expected term 3 years      
Absolute TSR Performance Shares | 2024-2026 LTIP        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Grant date fair value (per target share)     $ 12.23  
Risk-free interest rate     4.98%  
Expected volatility     33.70%  
Expected term     3 years  
Absolute TSR Performance Shares | 2023-2025 LTIP        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Grant date fair value (per target share)       $ 12.23
Risk-free interest rate       4.98%
Expected volatility       33.70%
Expected term       3 years