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Pension and Postretirement Benefits (Expected Contributions to Pension and Postretirement Plans) (Details) $ in Millions	3 Months Ended
	Mar. 31, 2025 USD ($)
Pension Plan [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Expected contributions in 2025	$ 1.6
Amounts contributed during the three months ended March 31, 2025	0.2
Postretirement
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Expected contributions in 2025	1.3
Amounts contributed during the three months ended March 31, 2025	$ 0.9

X

- Definition

Amount of contribution received by defined benefit plan from employer which increases plan assets.

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