Employee Benefit Plans (Schedule Of Allocation Of Plan Assets) (Details) |
Dec. 31, 2016 |
Dec. 31, 2015 |
---|---|---|
Defined Benefit Plan Disclosure [Line Items] | ||
Asset Category | 100.00% | 100.00% |
Equity securities | ||
Defined Benefit Plan Disclosure [Line Items] | ||
Asset Category | 56.00% | 53.00% |
Debt securities | ||
Defined Benefit Plan Disclosure [Line Items] | ||
Asset Category | 22.00% | 26.00% |
Stable value funds | ||
Defined Benefit Plan Disclosure [Line Items] | ||
Asset Category | 16.00% | 18.00% |
Other, including cash | ||
Defined Benefit Plan Disclosure [Line Items] | ||
Asset Category | 6.00% | 3.00% |