Pension And Other Benefit Plans - Changes in Fair Value of Plan Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Fair Value, Plan Assets Measured on Recurring Basis [Roll Forward]
Fair value of plan assets at beginning of year	$ 52.9	$ 75.5
Fair value of plan assets at end of year	61.9	52.9
Significant Unobservable Inputs (Level 3)
Fair Value, Plan Assets Measured on Recurring Basis [Roll Forward]
Fair value of plan assets at beginning of year	47.4	50.2
Return on Plan Assets	9.4	(3.0)
Net Purchases / (Settlements)	5.0	0.2
Transfers Into/(Out of) Level 3	0.0	0.0
Fair value of plan assets at end of year	$ 61.8	$ 47.4