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, 2017	Dec. 31, 2016	Dec. 31, 2015
U.S. Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.29%	4.41%	4.10%
Expected rate of return on plan assets	7.75%	7.75%	7.75%
Non-U.S. Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	2.29%	3.30%	3.01%
Expected rate of return on plan assets	6.45%	6.77%	6.94%
Rate of compensation increase	2.85%	2.81%	2.40%