Pension And Postretirement Benefits (Schedule Of Weighted Average Assumptions Used To Determine Benefit Obligation) (Details) - Pension Benefits [Member]	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	3.75%	4.29%	4.41%
Non-U.S. Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	2.15%	2.29%	3.30%
Rate of compensation increase	2.80%	2.85%	2.81%