Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans (Weighted Average Assumptions Used To Determine Net Periodic Pension Costs) (Details)

v2.4.0.6
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%