Benefit Plans - Amounts Recognized in Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Pension Benefits [Member]
Benefit Plans [Abstract]
Net actuarial (gain) loss	$ (7.4)	$ 1.2
Prior service cost	0.1	0.1
Amount recognized end of year	(7.3)	1.3
Postretirement Benefits [Member]
Benefit Plans [Abstract]
Net actuarial (gain) loss	(3.0)	(3.2)
Prior service cost	0.0	0.0
Amount recognized end of year	$ (3.0)	$ (3.2)