Retirement Plans (Assumptions Used To Determine The Benefit Obligation and Net Periodic Benefit) (Details)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Retirement Plans [Abstract]
Assumptions Used Calculating Benefit Obligation: Discount rate	3.75%	4.50%	5.50%
Assumptions Used Calculating Benefit Obligation: Rate of compensation increase	3.75%	4.00%	3.58%
Assumptions Used Calculating Net Periodic Benefit Cost: Discount rate	4.50%	5.50%	6.00%
Assumptions Used Calculating Net Periodic Benefit Cost: Expected long-term rate of return on plan assets	7.00%	7.50%	7.75%
Assumptions Used Calculating Net Periodic Benefit Cost: Rate of compensation increase	4.00%	3.58%	3.55%