Pension and Postretirement Benefit Plans (Reconciliation of Level 3 Assets) (Details) - Pension plan - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	$ 572.0	$ 528.7
Foreign currency exchange rate changes	(9.7)	26.7
Fair value of plan assets at end of year	494.0	572.0
Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	41.0	40.2
Actual return on plan assets related to assets still held at reporting date	(0.6)	2.6
Purchases, sales and /or settlements	(5.9)	(3.0)
Foreign currency exchange rate changes	(2.3)	1.2
Fair value of plan assets at end of year	32.2	41.0
Level 3 | Alternative Investments
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	2.2	2.4
Actual return on plan assets related to assets still held at reporting date	0.0	(0.2)
Purchases, sales and /or settlements	(2.2)	0.0
Foreign currency exchange rate changes	0.0	0.0
Fair value of plan assets at end of year	0.0	2.2
Level 3 | Miscellaneous Funds
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	38.8	37.8
Actual return on plan assets related to assets still held at reporting date	(0.6)	2.8
Purchases, sales and /or settlements	(3.7)	(3.0)
Foreign currency exchange rate changes	(2.3)	1.2
Fair value of plan assets at end of year	$ 32.2	$ 38.8