XML 78 R39.htm IDEA: XBRL DOCUMENT v3.25.2
Schedule of Intangible Assets (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Finite-Lived Intangible Assets [Line Items]    
Amortizable intangible assets, gross $ 123.5 $ 123.5
Accumulated intangible asset amortization (98.7) (93.9)
Amortizable intangible assets, net $ 24.8 29.6
Average useful life of finite-lived intangible assets 15 years  
Contract-Based Intangible Assets [Member]    
Finite-Lived Intangible Assets [Line Items]    
Amortizable intangible assets, gross $ 54.6 54.6
Accumulated intangible asset amortization (49.3) (46.8)
Amortizable intangible assets, net 5.3 7.8
Customer-Related Intangible Assets [Member]    
Finite-Lived Intangible Assets [Line Items]    
Amortizable intangible assets, gross 68.9 68.9
Accumulated intangible asset amortization (49.4) (47.1)
Amortizable intangible assets, net $ 19.5 $ 21.8