v3.26.1
BASIS OF PRESENTATION - Cash and Cash Equivalents (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Cash and Cash Equivalents.    
Cash and cash equivalents $ 339.2 $ 428.5
U.S. Markets    
Cash and Cash Equivalents.    
Cash and cash equivalents 244.1 302.6
International Markets    
Cash and Cash Equivalents.    
Cash and cash equivalents $ 95.1 $ 125.9