Retirement Plans And Postretirement Benefits (Components Of Net Postretirement Costs) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
|
U.S. | |||
Defined Benefit Plan Disclosure [Line Items] | |||
Service cost | $ 1,297 | $ 1,315 | $ 1,305 |
Interest cost | 5,070 | 4,709 | 5,352 |
Mark-to-market loss (gain) loss | 205 | 2,473 | (4,140) |
Net Cost | 1,546 | 2,818 | (2,751) |
Foreign [Member] | |||
Defined Benefit Plan Disclosure [Line Items] | |||
Service cost | 624 | 674 | 710 |
Interest cost | 275 | 253 | 199 |
Mark-to-market loss (gain) loss | 3,302 | 503 | (53) |
Net Cost | 3,777 | 1,100 | 557 |
Postemployment Retirement Benefit | U.S. | |||
Defined Benefit Plan Disclosure [Line Items] | |||
Service cost | 0 | 0 | 0 |
Interest cost | 269 | 264 | 333 |
Mark-to-market loss (gain) loss | 585 | (1,028) | (1,257) |
Net Cost | 854 | (764) | (924) |
Postemployment Retirement Benefit | Foreign [Member] | |||
Defined Benefit Plan Disclosure [Line Items] | |||
Service cost | 0 | 1 | 2 |
Interest cost | 684 | 700 | 653 |
Mark-to-market loss (gain) loss | 100 | 47 | 742 |
Net Cost | $ 784 | $ 748 | $ 1,397 |