Employee Benefits - Defined Benefit Plan Termination (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Employee Benefits
Fair value of plan assets	$ 107.1	$ 94.9
Frozen Defined Benefit Plan
Employee Benefits
Projected benefit obligation	49.8
Fair value of plan assets	47.8
Defined benefit plan, Accumulated comprehensive loss	$ 16.3

Amount, after tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit).

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- Definition

Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.

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Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

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