XML 40 R81.htm IDEA: XBRL DOCUMENT v2.4.0.8
Other Postretirement Benefits (Components Of Net Periodic Postretirement Benefit Cost) (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Service cost     $ 41
Interest cost 80 110 141
Amortization of unrecognized prior service cost 14 14 15
Loss amortization     (218)
Net periodic pension cost (income) 94 124 (21)
Discount rate 4.45% 3.50% 4.50%
Ultimate healthcare trend rates 5.00%    
Net Periodic Postretirement Benefit Cost [Member]
      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Service cost 16 15 13
Interest cost 203 224 278
Amortization of unrecognized prior service cost   (1) (1)
Loss amortization 123 111 125
Net periodic pension cost (income) $ 342 $ 349 $ 415
Discount rate 4.50% 3.50% 4.50%
Medical Costs Before Age 65 [Member] | Net Periodic Postretirement Benefit Cost [Member]
      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Annual rate of increase in per capita cost 8.50% [1] 9.00% [1] 10.00% [1]
Medical Costs After Age 65 [Member] | Net Periodic Postretirement Benefit Cost [Member]
      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Annual rate of increase in per capita cost 7.30% [1] 7.50% [1] 8.00% [1]
Prescription Drug Costs [Member] | Net Periodic Postretirement Benefit Cost [Member]
      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Annual rate of increase in per capita cost 7.80% [1] 8.00% [1] 9.00% [1]
[1] 1 It was assumed that these rates would gradually decline to 5% by 2021.