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Accumulated Other Comprehensive Income (Loss) (Tables) | 6 Months Ended
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Jun. 30, 2019
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Summary of Other Comprehensive Income | The other comprehensive loss consists of the following components:
| Three Months Ended June 30
| 2019 |  | 2018
| Before-Tax |  | Income |  | After-Tax |  | Before-Tax |  | Income |  | After-Tax
(in thousands) | Amount |  | Tax |  | Amount |  | Amount |  | Tax |  | Amount
Foreign currency translation adjustments: |  |  |  |  |  |  |  |  |  |  |
Translation adjustments arising during the period | $ | (11,104 | ) |  | $ | — |  |  | $ | (11,104 | ) |  | $ | (31,167 | ) |  | $ | — |  |  | $ | (31,167 | )
Pension and other postretirement plans: |  |  |  |  |  |  |  |  |  |  |
Amortization of net prior service (credit) cost included in net income | (931 | ) |  | 251 |  |  | (680 | ) |  | 70 |  |  | (19 | ) |  | 51 |
Amortization of net actuarial gain included in net income | (475 | ) |  | 129 |  |  | (346 | ) |  | (3,294 | ) |  | 888 |  |  | (2,406 | )
| (1,406 | ) |  | 380 |  |  | (1,026 | ) |  | (3,224 | ) |  | 869 |  |  | (2,355 | )
Cash flow hedges: |  |  |  |  |  |  |  |  |  |  |
Gain for the period | 40 |  |  | (5 | ) |  | 35 |  |  | 371 |  |  | (70 | ) |  | 301 |
Other Comprehensive Loss | $ | (12,470 | ) |  | $ | 375 |  |  | $ | (12,095 | ) |  | $ | (34,020 | ) |  | $ | 799 |  |  | $ | (33,221 | )
| Six Months Ended June 30
| 2019 |  | 2018
| Before-Tax |  | Income |  | After-Tax |  | Before-Tax |  | Income |  | After-Tax
(in thousands) | Amount |  | Tax |  | Amount |  | Amount |  | Tax |  | Amount
Foreign currency translation adjustments: |  |  |  |  |  |  |  |  |  |  |
Translation adjustments arising during the period | $ | (1,071 | ) |  | $ | — |  |  | $ | (1,071 | ) |  | $ | (19,603 | ) |  | $ | — |  |  | $ | (19,603 | )
Pension and other postretirement plans: |  |  |  |  |  |  |  |  |  |  |
Amortization of net prior service (credit) cost included in net income | (2,278 | ) |  | 615 |  |  | (1,663 | ) |  | 146 |  |  | (40 | ) |  | 106 |
Amortization of net actuarial gain included in net income | (1,023 | ) |  | 276 |  |  | (747 | ) |  | (4,661 | ) |  | 1,257 |  |  | (3,404 | )
| (3,301 | ) |  | 891 |  |  | (2,410 | ) |  | (4,515 | ) |  | 1,217 |  |  | (3,298 | )
Cash flow hedges: |  |  |  |  |  |  |  |  |  |  |
(Loss) gain for the period | (427 | ) |  | 103 |  |  | (324 | ) |  | 607 |  |  | (115 | ) |  | 492 |
Other Comprehensive Loss | $ | (4,799 | ) |  | $ | 994 |  |  | $ | (3,805 | ) |  | $ | (23,511 | ) |  | $ | 1,102 |  |  | $ | (22,409 | )
Summary of Changes in Accumulated Other Comprehensive Income (Loss) | The accumulated balances related to each component of other comprehensive income (loss) are as follows:
(in thousands, net of taxes) | Cumulative Foreign Currency Translation Adjustment |  | Unrealized Gain on Pensions and Other Postretirement Plans |  | Cash Flow Hedges |  | Accumulated Other Comprehensive Income
Balance as of December 31, 2018 | $ | (29,270 | ) |  | $ | 232,836 |  |  | $ | 263 |  |  | $ | 203,829 |
Other comprehensive loss before reclassifications | (1,071 | ) |  | — |  |  | (226 | ) |  | (1,297 | )
Net amount reclassified from accumulated other comprehensive income (loss) | — |  |  | (2,410 | ) |  | (98 | ) |  | (2,508 | )
Other comprehensive loss, net of tax | (1,071 | ) |  | (2,410 | ) |  | (324 | ) |  | (3,805 | )
Balance as of June 30, 2019 | $ | (30,341 | ) |  | $ | 230,426 |  |  | $ | (61 | ) |  | $ | 200,024 |
Summary of Amounts and Line Items of Reclassifications Out of Accumulated Other Comprehensive Income (Loss) | The amounts and line items of reclassifications out of Accumulated Other Comprehensive Income (Loss) are as follows:
| Three Months Ended June 30 |  | Six Months Ended June 30 |  | Affected Line Item in the Condensed Consolidated Statements of Operations
(in thousands) | 2019 |  | 2018 |  | 2019 |  | 2018 |
Pension and Other Postretirement Plans: |  |  |  |  |  |  |  |  |
Amortization of net prior service (credit) cost | $ | (931 | ) |  | $ | 70 |  |  | $ | (2,278 | ) |  | $ | 146 |  |  | (1)
Amortization of net actuarial gain | (475 | ) |  | (3,294 | ) |  | (1,023 | ) |  | (4,661 | ) |  | (1)
| (1,406 | ) |  | (3,224 | ) |  | (3,301 | ) |  | (4,515 | ) |  | Before tax
| 380 |  |  | 869 |  |  | 891 |  |  | 1,217 |  |  | Provision for Income Taxes
| (1,026 | ) |  | (2,355 | ) |  | (2,410 | ) |  | (3,298 | ) |  | Net of Tax
Cash Flow Hedges |  |  |  |  |  |  |  |  |
| (58 | ) |  | (45 | ) |  | (127 | ) |  | (42 | ) |  | Interest expense
| 14 |  |  | 9 |  |  | 29 |  |  | 8 |  |  | Provision for Income Taxes
| (44 | ) |  | (36 | ) |  | (98 | ) |  | (34 | ) |  | Net of Tax
Total reclassification for the period | $ | (1,070 | ) |  | $ | (2,391 | ) |  | $ | (2,508 | ) |  | $ | (3,332 | ) |  | Net of Tax
____________ (1) These accumulated other comprehensive income components are components of net periodic pension and postretirement plan cost (see Note 12) and are included in non-operating pension and postretirement benefit income in the Company’s Condensed Consolidated Statements of Operations.

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118930883&loc=d3e526-108580 + Details
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