XML 85 R58.htm IDEA: XBRL DOCUMENT v2.4.0.8
Retirement Plans (Weighted-Average Expense Assumptions) (Details)
6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Retirement Income Plan [Member]
   
Defined Benefit Plan Disclosure [Line Items]    
Discount rate 4.66% 5.16%
Expected return on plan assets 7.40% 7.75%
Rate of compensation increase 4.00% 4.00%
Retirement Life Plan [Member]
   
Defined Benefit Plan Disclosure [Line Items]    
Discount rate 4.66% 5.16%
Expected return on plan assets 0.00% 0.00%
Rate of compensation increase 0.00% 0.00%