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Employee Benefit Plans (Weighted Average Assumptions Used To Determine Net Periodic Pension Costs) (Details)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Employee Benefit Plans [Abstract]
Discount rate	4.30%	4.70%
Expected return on plan assets	5.10%	4.20%

An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation.

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