Defined Benefit and Postretirement Benefits Contributions by Plan Type (Details) $ in Millions	3 Months Ended
	Mar. 31, 2022 USD ($)
Pension
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Expected contributions in 2022	$ 18.9
Amounts contributed during the three months ended March 31, 2022	2.8
Postretirement
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Expected contributions in 2022	2.6
Amounts contributed during the three months ended March 31, 2022	$ 0.0