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Other Noncurrent Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2022
Other Liabilities Disclosure [Abstract] |
Other Noncurrent Liabilities | As of December 31, 2022 and 2021, Other Noncurrent Liabilities consisted of the following:
(in thousands) |  | 2022 |  | 2021
Operating leases |  | $ | 50,190 |  |  | $ | 11,001 |
Finance leases |  | — |  |  | 14,515 |
Postretirement benefits other than pensions |  | 31,998 |  |  | 41,257 |
Pension liabilities |  | 23,061 |  |  | 30,850 |
Interest rate swap agreements |  | — |  |  | 5,176 |
Incentive and deferred compensation |  | 1,395 |  |  | 3,257 |
Other |  | 2,114 |  |  | 1,738 |
Total |  | $ | 108,758 |  |  | $ | 107,794 |

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