Retirement Plans Weighted average assumptions on pension plan (Tables)

12 Months Ended

Dec. 31, 2018

Weighted average assumptions on pension plan [Abstract]

Schedule Of Weighted Average Assumptions Based On The Pension Plan

	2018		2017		2016
Used to determine benefit obligation at year-end:
Discount rate	4.20	%	3.50	%	4.10	%
Used to determine net periodic benefit cost for the years ended December 31:
Discount rate	3.50		4.10		4.20
Expected long-term return on plan assets	5.75		7.25		7.50