Pension and Postretirement Benefit Plans (Narrative) (Details) $ in Millions	3 Months Ended
	Mar. 31, 2025 USD ($)
Pension benefits
Defined Benefit Plan Disclosure [Line Items]
Employer contributions	$ 5.3
Estimated contributions for current fiscal year	14.3
Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Employer contributions	0.4
Estimated contributions for current fiscal year	$ 1.7