Pension And Postretirement Benefits (Schedule Of Weighted Average Assumptions Used To Determine Net Periodic Benefit Cost) (Details) - Pension Benefits [Member]	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Domestic Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	3.75%	4.29%	4.41%
Expected rate of return on assets assumption reflected as a long-term asset allocation	7.75%	7.75%	7.75%
Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	2.15%	2.29%	3.30%
Expected rate of return on assets assumption reflected as a long-term asset allocation	6.49%	6.45%	6.77%
Rate of compensation increase	2.80%	2.85%	2.81%