Retirement Plans Weighted average assumptions on pension plan (Tables)

12 Months Ended

Dec. 31, 2016

Weighted average assumptions on pension plan [Abstract]

Schedule Of Weighted Average Assumptions Based On The Pension Plan

	2016		2015		2014
Used to determine benefit obligation at year-end:
Discount rate	4.10	%	4.20	%	3.95	%
Used to determine net periodic benefit cost for the years ended December 31:
Discount rate	4.20		3.95		4.60
Expected long-term return on plan assets	7.50		7.50		8.00