Pension and Postretirement Benefits (Fair Value of Pension Plan Assets) (Details) - Pension Plan - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	$ 76.5	$ 83.5	$ 79.2
Active Markets for Identical Assets Level 1
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	0.2	0.5
Other Observable Inputs Level 2
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	6.9	8.2
Unobservable Inputs Level 3
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	19.5	19.4
Net Asset Value ("NAV") Practical Expedient
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	49.9	55.4
Cash Equivalents and Money Markets
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	0.2	0.5
Cash Equivalents and Money Markets | Active Markets for Identical Assets Level 1
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	0.2	0.5
Cash Equivalents and Money Markets | Other Observable Inputs Level 2
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	0.0	0.0
Cash Equivalents and Money Markets | Unobservable Inputs Level 3
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	0.0	0.0
Non-U.S. Equity Funds
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	6.6	12.3
Non-U.S. Equity Funds | Net Asset Value ("NAV") Practical Expedient
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	6.6	12.3
Collective Trust
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	37.7	40.1
Collective Trust | Active Markets for Identical Assets Level 1
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	0.0	0.0
Collective Trust | Other Observable Inputs Level 2
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	0.0	0.0
Collective Trust | Unobservable Inputs Level 3
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	19.5	19.4
Collective Trust | Net Asset Value ("NAV") Practical Expedient
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	18.2	20.7
Non-U.S. Fixed Income, Government and Corporate
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	25.1	22.4
Non-U.S. Fixed Income, Government and Corporate | Net Asset Value ("NAV") Practical Expedient
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	25.1	22.4
Insurance / Annuity Contract(s)
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	6.9	8.2
Insurance / Annuity Contract(s) | Active Markets for Identical Assets Level 1
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	0.0	0.0
Insurance / Annuity Contract(s) | Other Observable Inputs Level 2
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	6.9	8.2
Insurance / Annuity Contract(s) | Unobservable Inputs Level 3
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	$ 0.0	$ 0.0