Employee Benefit Plans (Assets Held In Trust) (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]
Assets held-in-trust	$ 30.4	$ 33.7
Corporate-owned life insurance policies
Defined Benefit Plan Disclosure [Line Items]
Assets held-in-trust	24.6	28.5
Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Assets held-in-trust	$ 5.8	$ 5.2