v3.25.4
Income Taxes (Summary Of Tax Loss And Tax Credit Carryforwards) (Details)
$ in Millions
Dec. 31, 2025
USD ($)
Total  
Tax Credit Carryforward [Line Items]  
2026-2030 $ 2.3
After 2030 7.4
Indefinite 30.8
Deferred tax asset on tax carryforwards 40.5
U.S. Federal Tax Credits  
Tax Credit Carryforward [Line Items]  
2026-2030 0.0
After 2030 1.3
Indefinite 0.0
Deferred tax asset on tax carryforwards 1.3
U.S. State Tax Credits  
Tax Credit Carryforward [Line Items]  
2026-2030 0.4
After 2030 0.3
Indefinite 15.7
Deferred tax asset on tax carryforwards 16.4
U.S. State Tax Effected Losses  
Tax Credit Carryforward [Line Items]  
2026-2030 1.1
After 2030 5.6
Indefinite 2.5
Deferred tax asset on tax carryforwards 9.2
Non- U.S. Tax Effected Losses  
Tax Credit Carryforward [Line Items]  
2026-2030 0.8
After 2030 0.2
Indefinite 12.6
Deferred tax asset on tax carryforwards $ 13.6