Employee Benefit Plans - ABO and PBO (Details) - USD ($) $ in Thousands |
Dec. 31, 2018 |
Dec. 31, 2017 |
---|---|---|
Summary of pension obligations greater than fair value of related plan assets | ||
Total accumulated benefit obligations | $ 2,114,910 | $ 2,274,746 |
Plans with pension obligations in excess of plan assets: | ||
PBO | 1,710,759 | 1,812,062 |
ABO | 1,691,058 | 1,788,384 |
Fair value of plan assets | 1,250,032 | 1,395,790 |
United States | ||
Summary of pension obligations greater than fair value of related plan assets | ||
Total accumulated benefit obligations | 1,685,270 | 1,781,882 |
Plans with pension obligations in excess of plan assets: | ||
PBO | 1,703,847 | 1,804,260 |
ABO | 1,685,270 | 1,781,882 |
Fair value of plan assets | 1,250,032 | 1,395,790 |
Foreign Plan | ||
Summary of pension obligations greater than fair value of related plan assets | ||
Total accumulated benefit obligations | 429,640 | 492,864 |
Plans with pension obligations in excess of plan assets: | ||
PBO | 6,912 | 7,802 |
ABO | 5,788 | 6,502 |
Fair value of plan assets | $ 0 | $ 0 |