Employee Benefit Plans (Change in Accumulated Income (Loss) Relating to Defined Benefit Pension and Other Postretirement Benefits) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net change	$ 279.1	$ 73.9	$ (14.0)
Pension Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Unrecognized actuarial (gain) loss	(236.9)
Amortization of actuarial gain/(loss)	3.5
Unrecognized prior service credit (cost)	1.4
Amortization of prior service costs	(0.9)
Impact of foreign currency translation	(0.6)
Net change	(236.3)
Other Postretirement Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Unrecognized actuarial (gain) loss	(43.4)
Amortization of actuarial gain/(loss)	(0.3)
Unrecognized prior service credit (cost)	0.5
Amortization of prior service costs	0.5
Impact of foreign currency translation	0.0
Net change	$ (43.7)