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Other Operating Expenses/(Income) (Schedule Of Other Operating Expenses/(Income)) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Total other operating expenses/(income) | $ (75,095) | $ 9,132 | $ 1,300
CARES Act Grant Income [Member] |  |  |
Total other operating expenses/(income) | (80,225) |  |
Litigation Settlements [Member] |  |  |
Total other operating expenses/(income) | 4,589 | 6,000 | 796
Loss On Sale Of Transportation Equipment [Member] |  |  |
Total other operating expenses/(income) |  | 2,266 |
Loss On Disposal Of Property And Equipment [Member] |  |  |
Total other operating expenses/(income) | $ 541 | $ 866 | $ 504

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- Definition The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations. + References No definition available. + Details
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