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Components of Accumulated Other Comprehensive (Loss) Income (Tables) | 6 Months Ended
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Jun. 30, 2023
Equity [Abstract] |
Changes in Accumulated Other Comprehensive (Loss) Income | The following table details changes in amounts included in our Accumulated Other Comprehensive Income (Loss) (AOCI) by component on our Condensed Consolidated Balance Sheets, net of tax:
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
(in thousands) |  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
Pension and Other Postretirement Employee Benefits |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  | $ | (28,625 | ) |  | $ | (43,889 | ) |  | $ | (28,494 | ) |  | $ | (51,369 | )
Unrecognized gains (losses) arising in AOCI during the period: |  |  |  |  |  |  |  |  |  |  |  |
Gross |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (6,157 | )
Tax effect |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,570 |
Reclassifications from AOCI to earnings: |  |  |  |  |  |  |  |  |  |  |  |
Pension settlement 1 |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 14,165 |
Other 1 |  |  | (176 | ) |  |  | 1,227 |  |  |  | (352 | ) |  |  | 3,260 |
Tax effect |  |  | 43 |  |  |  | (312 | ) |  |  | 88 |  |  |  | (4,443 | )
Net of tax amount |  |  | (133 | ) |  |  | 915 |  |  |  | (264 | ) |  |  | 8,395 |
Other reclassifications |  |  | (211 | ) |  |  | — |  |  |  | (211 | ) |  |  | — |
Balance at end of period |  |  | (28,969 | ) |  |  | (42,974 | ) |  |  | (28,969 | ) |  |  | (42,974 | )
Cash Flow Hedges |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  |  | 108,811 |  |  |  | 51,407 |  |  |  | 126,146 |  |  |  | 8,131 |
Unrecognized gains arising in AOCI during the period: |  |  |  |  |  |  |  |  |  |  |  |
Gross |  |  | 22,754 |  |  |  | 43,935 |  |  |  | 8,873 |  |  |  | 87,427 |
Tax effect |  |  | (462 | ) |  |  | (2,757 | ) |  |  | (172 | ) |  |  | (4,919 | )
Reclassifications from AOCI to earnings: |  |  |  |  |  |  |  |  |  |  |  |
Gross 2 |  |  | (4,726 | ) |  |  | 1,411 |  |  |  | (8,563 | ) |  |  | 3,444 |
Tax effect |  |  | 108 |  |  |  | (60 | ) |  |  | 201 |  |  |  | (147 | )
Net of tax amount |  |  | 17,674 |  |  |  | 42,529 |  |  |  | 339 |  |  |  | 85,805 |
Other reclassifications |  |  | 45 |  |  |  | — |  |  |  | 45 |  |  |  | — |
Balance at end of period |  |  | 126,530 |  |  |  | 93,936 |  |  |  | 126,530 |  |  |  | 93,936 |
Accumulated other comprehensive income, end of period |  | $ | 97,561 |  |  | $ | 50,962 |  |  | $ | 97,561 |  |  | $ | 50,962 |
1 Included in the computation of net periodic pension costs. 2 Included in Interest expense, net on the Condensed Consolidated Statement of Operations.

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