Employee Benefit Plans - Fair Value Measurements (Details) - Quoted Prices in Active Markets for Identical Assets (Level 1) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Defined Benefit Plans
Fair value of plan assets	$ 54.7	$ 58.2
Cash
Defined Benefit Plans
Fair value of plan assets	3.5	4.7
U.S. treasury bonds
Defined Benefit Plans
Fair value of plan assets	6.7	6.4
Equity mutual funds
Defined Benefit Plans
Fair value of plan assets	6.7	5.6
Fixed income mutual funds
Defined Benefit Plans
Fair value of plan assets	$ 37.8	$ 41.5