Employee Benefit Plans (Net Periodic Benefit Costs) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Defined Benefit Plan Disclosure [Line Items]
Service cost			$ 0.6
Interest cost			1.5
Expected return on plan assets			0.0
Plan curtailment, settlement and termination			3.2
Amortization of prior service costs included in SG&A			0.0
Recognized net actuarial losses			0.2
Net periodic benefit cost			5.5
Other Pension, Postretirement and Supplemental Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 3.4	$ 1.2
Interest cost	2.6	1.4
Expected return on plan assets	0.0	0.0
Plan curtailment, settlement and termination	0.0	0.0
Amortization of prior service costs included in SG&A	0.0	0.0
Recognized net actuarial losses	0.2	0.3
Net periodic benefit cost	6.2	2.9
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	38.6	23.5	20.7
Interest cost	31.6	13.5	13.6
Expected return on plan assets	(66.1)	(19.9)	(12.1)
Plan curtailment, settlement and termination	(16.5)	1.1	(0.3)
Amortization of prior service costs included in SG&A	0.9	0.0	0.9
Recognized net actuarial losses	1.3	0.4	(0.8)
Net periodic benefit cost	(10.2)	18.6	$ 22.0
Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	3.4	1.1
Interest cost	$ 2.6	$ 1.4