Pension And Postretirement Benefits (Schedule Of Weighted Average Assumptions Used To Determine Benefit Obligation) (Details)	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Domestic Plan [Member] | Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.36%	3.75%	4.29%
Domestic Plan [Member] | Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.30%	3.90%	3.90%
Foreign Plan [Member] | Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	2.42%	2.15%	2.29%
Rate of compensation increase	3.06%	2.80%	2.85%
Foreign Plan [Member] | Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	3.30%	3.30%	3.30%