Income Taxes (Summary of Operating Loss Carryforwards - U.S and Non-U.S) (Details) - Non-U.S. [Member] - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 74.7	$ 71.9
Operating loss carryforwards, not subject to valuation allowances	15.3	12.3
Subject to Expiration Date [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	22.8	17.8
No Expiration Date [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 51.9	$ 54.1