v3.25.4
FAIR VALUE MEASUREMENTS - Valuation (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Jul. 01, 2025
Dec. 31, 2024
Fair value measurements      
Corporate borrowings, carrying value $ 4,018.6   $ 4,010.9
Significant other observable inputs (Level 2)      
Fair value measurements      
Corporate borrowings, fair value $ 3,864.0   $ 3,866.3
New exchangeable notes      
Fair value measurements      
Corporate borrowings, fair value   $ 159.0  
Nonrecurring basis | New exchangeable notes      
Fair value measurements      
Corporate borrowings, carrying value   159.0  
Nonrecurring basis | New exchangeable notes | Significant other observable inputs (Level 2)      
Fair value measurements      
Corporate borrowings, fair value   $ 159.0