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Accumulated Other Comprehensive Income (Loss) (Tables) | 12 Months Ended
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Dec. 31, 2023
Equity [Abstract] |
Changes in Accumulated Other Comprehensive Income (Loss) | Changes in accumulated other comprehensive income (loss), which is presented net of tax, consist of the following:
|  | Foreign Currency Translation Adjustment |  |  | Unrealized Gains (Losses) on Marketable Securities |  |  | Unrealized (Losses) Gains on Cash Flow Hedges |  |  | Retirement Plans Prior Service Credit |  |  | Total |
|  | (in thousands) |
Balance at December 31, 2021, net of tax of $0, $1,055, $0, $(1,128), respectively |  | $ | (10,818 | ) |  | $ | 3,704 |  |  | $ | — |  |  | $ | 1,166 |  |  | $ | (5,948 | )
Other comprehensive loss before reclassifications, net of tax of $0, $(3,388), $(708), $0, respectively |  |  | (29,031 | ) |  |  | (12,666 | ) |  |  | (2,517 | ) |  |  | — |  |  |  | (44,214 | )
Amounts reclassified from accumulated other comprehensive income (loss), net of tax of $0, $25, $0, $(2), respectively |  |  | — |  |  |  | 301 |  |  |  | — |  |  |  | (7 | ) |  |  | 294 |
Net current period other comprehensive loss, net of tax of $0, $(3,363), $(708), $(2), respectively |  |  | (29,031 | ) |  |  | (12,365 | ) |  |  | (2,517 | ) |  |  | (7 | ) |  |  | (43,920 | )
Balance at December 31, 2022, net of tax of $0, $(2,308), $(708), $(1,130), respectively |  | $ | (39,849 | ) |  | $ | (8,661 | ) |  | $ | (2,517 | ) |  | $ | 1,159 |  |  | $ | (49,868 | )
Other comprehensive gain before reclassifications, net of tax of $0, $568, $1,537, $0, respectively |  |  | 17,407 |  |  |  | 2,423 |  |  |  | 5,464 |  |  |  | — |  |  |  | 25,294 |
Amounts reclassified from accumulated other comprehensive income (loss), net of tax of $0, $12, $(686), $(2), respectively |  |  | — |  |  |  | 44 |  |  |  | (2,441 | ) |  |  | (7 | ) |  |  | (2,404 | )
Net current period other comprehensive gain (loss), net of tax of $0 $580, $851, $(2), respectively |  |  | 17,407 |  |  |  | 2,467 |  |  |  | 3,023 |  |  |  | (7 | ) |  |  | 22,890 |
Balance at December 31, 2023, net of tax of $0, $(1,728), $143, $(1,132), respectively |  | $ | (22,442 | ) |  | $ | (6,194 | ) |  | $ | 506 |  |  | $ | 1,152 |  |  | $ | (26,978 | )
Reclassifications Out of Accumulated Other Comprehensive Income (Loss) to Statements of Operations | Reclassifications out of accumulated other comprehensive income (loss) to the statements of operations for the years ended December 31, 2023, 2022, and 2021, were as follows:
Details about Accumulate Other Comprehensive Income (Loss) Components |  | For the years ended |  |  | Affected Line Item in the Statements of Operations
|  | December 31, 2023 |  |  | December 31, 2022 |  |  | December 31, 2021 |  |  |
|  | (in thousands) |  |  |
Available-for-sale marketable securities |  |  |  |  |  |  |  |  |  |  |
Unrealized (losses) gains, net of tax of $(12), $(25), $277, respectively |  | $ | (44 | ) |  | $ | (301 | ) |  | $ | 995 |  |  | Other (income) expense, net
Cash flow hedges: |  |  |  |  |  |  |  |  |  |  |
Unrealized gains, net of tax of $686, $0, $0, respectively |  |  | 2,441 |  |  |  | — |  |  |  | — |  |  | Revenue
Defined benefit pension and postretirement plans: |  |  |  |  |  |  |  |  |  |  |
Amortization of prior service benefit, net of tax of $2, $2, $2, respectively |  |  | 7 |  |  |  | 7 |  |  |  | 7 |  |  | (a)
Total reclassifications, net of tax of $676, $(23), $279, respectively |  | $ | 2,404 |  |  | $ | (294 | ) |  | $ | 1,002 |  |  | Net income
(a) The amortization of prior service credit is included in the computation of net periodic pension cost and postretirement benefit; see Note P: “Retirement Plans.”

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- Definition Tabular disclosure of components of comprehensive income (loss). Includes, but is not limited to, foreign currency translation adjustments, foreign currency transactions designated as economic hedges of a net investment in foreign entity, gain (loss) and prior service cost (credit) for pension plans and other postretirement benefit plans. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Paragraph 1 -Section 45 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-1 + Details
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