v3.26.3
Property (Carrying Value Of Property) (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Property, Plant and Equipment [Line Items]    
Total Property, at cost $ 1,183.6 $ 1,108.9
Accumulated depreciation and amortization (656.7) (628.5)
Net Property 526.9 480.4
Land [Member]    
Property, Plant and Equipment [Line Items]    
Total Property, at cost 84.7 96.8
Building [Member]    
Property, Plant and Equipment [Line Items]    
Total Property, at cost 634.3 595.9
Furniture and Fixtures [Member]    
Property, Plant and Equipment [Line Items]    
Total Property, at cost 407.2 359.9
Software [Member]    
Property, Plant and Equipment [Line Items]    
Total Property, at cost 52.2 50.9
Finance Leases [Member]    
Property, Plant and Equipment [Line Items]    
Total Property, at cost $ 5.2 $ 5.4