v3.26.1
Long-lived Assets (Changes in Carrying Amount of Goodwill) (Details)
$ in Millions
6 Months Ended
Jun. 30, 2026
USD ($)
Goodwill [Roll Forward]  
Goodwill beginning balance $ 3,502.8
Acquisitions and related adjustments 2.7
Foreign currency translation adjustments and other (90.0)
Goodwill ending balance 3,415.5
Telenet  
Goodwill [Roll Forward]  
Goodwill beginning balance 2,516.5
Acquisitions and related adjustments 0.0
Foreign currency translation adjustments and other (69.1)
Goodwill ending balance 2,447.4
Wyre  
Goodwill [Roll Forward]  
Goodwill beginning balance 457.0
Acquisitions and related adjustments 0.0
Foreign currency translation adjustments and other (12.5)
Goodwill ending balance 444.5
VM Ireland  
Goodwill [Roll Forward]  
Goodwill beginning balance 284.4
Acquisitions and related adjustments 0.0
Foreign currency translation adjustments and other (7.8)
Goodwill ending balance 276.6
Other  
Goodwill [Roll Forward]  
Goodwill beginning balance 244.9
Acquisitions and related adjustments 2.7
Foreign currency translation adjustments and other (0.6)
Goodwill ending balance $ 247.0