|
Employee Benefit Plans (Pension And Other Postretirement Benefit Costs) (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2015
|
Mar. 31, 2014
|
|
| Pension Plans, Defined Benefit [Member] | ||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Service cost | $ 4 | $ 5,924 |
| Interest cost | 3,570 | 4,364 |
| Expected return on plan assets | (5,764) | (5,978) |
| Amortization of prior service cost (credit) | 0 | (54) |
| Amortization of other actuarial (gains) losses | 2,058 | 948 |
| Net benefit cost (credit) | (132) | 5,204 |
| Other Postretirement Benefit Plans, Defined Benefit [Member] | ||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Service cost | 233 | 444 |
| Interest cost | 335 | 464 |
| Amortization of prior service cost (credit) | (2,084) | (2,501) |
| Amortization of other actuarial (gains) losses | (456) | (170) |
| Net benefit cost (credit) | $ (1,972) | $ (1,763) |