Pension and Other Benefit Programs (Schedule of Amounts Recognized in Assets and Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Defined Benefit Plan Disclosure [Line Items]
Prepaid pension costs	$ 88.3	$ 84.6
U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Prepaid pension costs	88.3	84.6
Accounts payable and accrued expenses	(2.9)	(2.7)
Postretirement benefit liabilities	0.0	0.0
Pension benefit liabilities	(22.7)	(25.0)
Net amount recognized	62.7	56.9
Non-U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Prepaid pension costs	0.0	0.0
Accounts payable and accrued expenses	(0.2)	(0.1)
Postretirement benefit liabilities	0.0	0.0
Pension benefit liabilities	(1.9)	(1.9)
Net amount recognized	(2.1)	(2.0)
U.S. Defined-Benefit Retiree Health And Life Insurance Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Prepaid pension costs	0.0	0.0
Accounts payable and accrued expenses	(4.1)	(5.2)
Postretirement benefit liabilities	(35.3)	(42.4)
Pension benefit liabilities	0.0	0.0
Net amount recognized	$ (39.4)	$ (47.6)