v3.26.3
Segment Reporting (Performance Measures- Footnotes) (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Revenue $ 1,920.6 $ 1,207.1 $ 4,367.2 $ 3,647.4
Central and other        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Revenue 356.4 328.4 1,116.7 1,050.6
Central and other | JV Reportable Segments        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Revenue 147.5 151.8 483.3 430.1
Central and other | Consolidated reportable segments        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Revenue 78.5 48.4 171.1 129.5
Central and other | All other category        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Revenue 356.4 328.4 1,116.7 1,050.6
Central and other | Related party        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Revenue $ 130.4 $ 128.2 $ 462.3 $ 491.0