Defined Benefit and Postretirement Benefits Contributions by Plan Type (Details) $ in Millions	6 Months Ended
	Jun. 30, 2022 USD ($)
Pension
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Expected contributions in 2022	$ 20.1
Amounts contributed during the six months ended June 30, 2022	8.6
Postretirement
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Expected contributions in 2022	2.6
Amounts contributed during the six months ended June 30, 2022	$ 0.0