Weighted Average Assumptions Used To Determine Net Periodic Benefit Cost (Details)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Pension Costs
Defined Benefit Plan Disclosure [Line Items]
Discount Rate	4.28%	4.15%	4.75%
Rate of Compensation increase	3.13%	3.33%	3.33%
Expected long-term rate of return on plan assets	6.16%	5.45%	5.35%
Nonpension Postretirement Costs
Defined Benefit Plan Disclosure [Line Items]
Discount Rate	4.54%	3.92%	4.31%