Pension and Postretirement Benefits (Narrative) (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]
Percentage of combined expected actuarial losses	1.00%	1.00%
Projected benefit obligation	$ 789.9	$ 789.9	$ 1,152.1
Percentage of non-matching contribution to participants		3.00%
Common Stock
Defined Benefit Plan Disclosure [Line Items]
Actual Allocation			4.00%
Savings And Investment Plans
Defined Benefit Plan Disclosure [Line Items]
Employer contributions		$ 13.1	$ 12.0	$ 11.8
2% Non-Matching Contribution
Defined Benefit Plan Disclosure [Line Items]
Employer contributions		$ 15.5	$ 14.6	14.5
Actively Managed U.S. Equities
Defined Benefit Plan Disclosure [Line Items]
Actual Allocation	43.00%	43.00%	44.00%
Fixed income securities
Defined Benefit Plan Disclosure [Line Items]
Actual Allocation	27.00%	27.00%	31.00%
Alternative assets/Other
Defined Benefit Plan Disclosure [Line Items]
Actual Allocation	26.00%	26.00%	22.00%
Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Distributions receivable	$ 43.0
Loss from plan settlement	7.0
Expected future employer cash contributions	20.0	$ 20.0
Projected benefit obligation	789.9	789.9	$ 1,152.1	1,259.8
Employer contributions		19.7	26.7
Supplemental Employee Retirement Plan
Defined Benefit Plan Disclosure [Line Items]
Pre-tax settlement gain		0.1	0.0
Projected benefit obligation	$ 2.2	2.2	3.7
Employer contributions		$ 1.0	$ 0.2	$ 0.2
United States
Defined Benefit Plan Disclosure [Line Items]
Defined benefit pension plan employees, percentage		12.00%
Percentage of combined expected actuarial losses			1.00%
United States | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Expected rate of return on plan assets		6.50%	6.50%	7.25%
United States | Pension Plan | Actively Managed U.S. Equities
Defined Benefit Plan Disclosure [Line Items]
Actual Allocation	64.30%	64.30%
United States | Pension Plan | Fixed income securities
Defined Benefit Plan Disclosure [Line Items]
Actual Allocation	22.10%	22.10%
United States | Pension Plan | Alternative assets/Other
Defined Benefit Plan Disclosure [Line Items]
Actual Allocation	11.40%	11.40%
United States | Pension Plan | Cash
Defined Benefit Plan Disclosure [Line Items]
Actual Allocation	2.10%	2.10%
United States | Pension Plan | Minimum | Actively Managed U.S. Equities
Defined Benefit Plan Disclosure [Line Items]
Expected rate of return on plan assets		25.00%
United States | Pension Plan | Minimum | Fixed income securities
Defined Benefit Plan Disclosure [Line Items]
Expected rate of return on plan assets		15.00%
United States | Pension Plan | Minimum | Alternative assets/Other
Defined Benefit Plan Disclosure [Line Items]
Expected rate of return on plan assets		10.00%
United States | Pension Plan | Minimum | Cash
Defined Benefit Plan Disclosure [Line Items]
Actual Allocation	0.00%	0.00%
United States | Pension Plan | Maximum | Actively Managed U.S. Equities
Defined Benefit Plan Disclosure [Line Items]
Expected rate of return on plan assets		75.00%
United States | Pension Plan | Maximum | Fixed income securities
Defined Benefit Plan Disclosure [Line Items]
Expected rate of return on plan assets		35.00%
United States | Pension Plan | Maximum | Alternative assets/Other
Defined Benefit Plan Disclosure [Line Items]
Expected rate of return on plan assets		35.00%
United States | Pension Plan | Maximum | Cash
Defined Benefit Plan Disclosure [Line Items]
Actual Allocation	10.00%	10.00%
Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Defined benefit pension plan employees, percentage		12.00%
Percentage of combined expected actuarial losses	3.00%	3.00%
Percentage of combined expected actuarial gains			2.00%
Foreign Plan | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Expected rate of return on plan assets		4.50%	4.45%	5.31%
Foreign Plan | Pension Plan | Actively Managed U.S. Equities
Defined Benefit Plan Disclosure [Line Items]
Actual Allocation	15.30%	15.30%
Foreign Plan | Pension Plan | Fixed income securities
Defined Benefit Plan Disclosure [Line Items]
Actual Allocation	33.20%	33.20%
Foreign Plan | Pension Plan | Alternative assets/Other
Defined Benefit Plan Disclosure [Line Items]
Actual Allocation	45.40%	45.40%
Foreign Plan | Pension Plan | Cash
Defined Benefit Plan Disclosure [Line Items]
Actual Allocation	6.20%	6.20%