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Other Noncurrent Liabilities (Tables) | 3 Months Ended
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Mar. 31, 2020
Other Liabilities Disclosure [Abstract] |
Schedule of Other Noncurrent Liabilities | The components of other noncurrent liabilities as of March 31, 2020 and December 31, 2019 were:
| March 31, 2020 |  | December 31, 2019
Pension and retiree medical obligations | $ | 82,543 |  |  | $ | 87,478 |
Transition tax payable | 11,292 |  |  | 11,292 |
Liability for uncertain tax positions | 3,629 |  |  | 3,008 |
Deferred revenue | 1,850 |  |  | 2,129 |
Lease liability | 80,802 |  |  | 69,928 |
Other | 19,675 |  |  | 23,533 |
Total other noncurrent liabilities | $ | 199,791 |  |  | $ | 197,368 |

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