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Pensions and Other Postretirement Benefit Plans (Tables) | 12 Months Ended
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Dec. 31, 2020
Retirement Benefits [Abstract] |
Schedule of Plan Benefit Obligations | The following table sets forth the plan benefit obligations:
|  | As of December 31, 2020 |  | As of December 31, 2019
(in thousands) |  | Pension plans |  | Other postretirement benefits |  | Pension plans |  | Other postretirement benefits
Benefit obligation, beginning of year |  | $ | 227,211 |  |  | $ | 54,384 |  |  | $ | 201,450 |  |  | $ | 51,127 |
Service cost |  | 2,279 |  |  | 200 |  |  | 2,543 |  |  | 189 |
Interest cost |  | 6,172 |  |  | 1,712 |  |  | 7,216 |  |  | 2,115 |
Plan participants' contributions |  | 198 |  |  | — |  |  | 243 |  |  | — |
Actuarial (gain)/loss |  | 13,309 |  |  | (4,794) |  |  | 22,645 |  |  | 4,686 |
Benefits paid |  | (8,123) |  |  | (3,555) |  |  | (8,404) |  |  | (3,782) |
Settlements and curtailments |  | (474) |  |  | — |  |  | (1,768) |  |  | — |
Plan amendments and other |  | (204) |  |  | — |  |  | 152 |  |  | — |
Foreign currency changes |  | 5,432 |  |  | 30 |  |  | 3,134 |  |  | 49 |
Benefit obligation, end of year |  | $ | 245,800 |  |  | $ | 47,977 |  |  | $ | 227,211 |  |  | $ | 54,384 |
Accumulated benefit obligation |  | $ | 236,321 |  |  | $ | — |  |  | $ | 218,006 |  |  | $ | — |
Weighted average assumptions used to |  |  |  |  |  |  |  |
determine benefit obligations, end of year: |  |  |  |  |  |  |  |
Discount rate — U.S. plan |  | 2.65 | % |  | 2.38 | % |  | 3.40 | % |  | 3.27 | %
Discount rate — non-U.S. plans |  | 1.91 | % |  | 2.75 | % |  | 2.31 | % |  | 3.05 | %
Cash balance interest crediting rate - Switzerland pension plan |  | 0.05 | % |  | — |  |  | 0.25 | % |  | — |
Compensation increase — U.S. plan |  | — |  |  | N/A |  | — |  |  | 3.00 | %
Compensation increase — non-U.S. plans |  | 2.71 | % |  | 2.75 | % |  | 2.81 | % |  | 3.00 | %
Schedule of Plan Assets | The following sets forth information about plan assets:
|  | As of December 31, 2020 |  | As of December 31, 2019
(in thousands) |  | Pension plans |  | Other postretirement benefits |  | Pension plans |  | Other postretirement benefits
Fair value of plan assets, beginning of year |  | $ | 211,755 |  |  | $ | — |  |  | $ | 178,942 |  |  | $ | — |
Actual return on plan assets, net of expenses |  | 28,477 |  |  | — |  |  | 32,367 |  |  | — |
Employer contributions |  | 3,219 |  |  | 3,555 |  |  | 4,670 |  |  | 3,782 |
Plan participants' contributions |  | 198 |  |  | — |  |  | 243 |  |  | — |
Benefits paid |  | (8,123) |  |  | (3,555) |  |  | (8,404) |  |  | (3,782) |
Settlements |  | (737) |  |  | — |  |  | (260) |  |  | — |
Foreign currency changes |  | 4,262 |  |  | — |  |  | 4,197 |  |  | — |
Fair value of plan assets, end of year |  | $ | 239,051 |  |  | $ | — |  |  | $ | 211,755 |  |  | $ | — |
Schedule of Funded Status of Plans | The funded status of the plans was as follows:
|  | As of December 31, 2020 |  | As of December 31, 2019
(in thousands) |  | Pension plans |  | Other postretirement benefits |  | Pension plans |  | Other postretirement benefits
Fair value of plan assets |  | $ | 239,051 |  |  | $ | — |  |  | $ | 211,755 |  |  | $ | — |
Benefit obligation |  | 245,800 |  |  | 47,977 |  |  | 227,211 |  |  | 54,384 |
Funded status |  | $ | (6,749) |  |  | $ | (47,977) |  |  | $ | (15,456) |  |  | $ | (54,384) |
Accrued benefit cost, end of year |  | $ | (6,749) |  |  | $ | (47,977) |  |  | $ | (15,456) |  |  | $ | (54,384) |
Amounts recognized in the consolidated balance sheet consist of the following: |  |  |  |  |  |  |  |
Noncurrent asset |  | $ | 31,139 |  |  | $ | — |  |  | $ | 21,337 |  |  | $ | — |
Current liability |  | (2,281) |  |  | (3,660) |  |  | (2,155) |  |  | (3,808) |
Noncurrent liability |  | (35,607) |  |  | (44,317) |  |  | (34,638) |  |  | (50,576) |
Net amount recognized |  | $ | (6,749) |  |  | $ | (47,977) |  |  | $ | (15,456) |  |  | $ | (54,384) |
Amounts recognized in accumulated other comprehensive income consist of: |  |  |  |  |  |  |  |
Net actuarial loss |  | $ | 53,065 |  |  | $ | 20,736 |  |  | $ | 63,240 |  |  | $ | 28,119 |
Prior service cost/(credit) |  | 393 |  |  | (12,946) |  |  | 639 |  |  | (17,434) |
Net amount recognized |  | $ | 53,458 |  |  | $ | 7,790 |  |  | $ | 63,879 |  |  | $ | 10,685 |
Schedule of Composition of Accrued Pension Cost | The composition of the net pension plan funded status as of December 31, 2020 was as follows:
(in thousands) |  | U.S. plan |  | Non-U.S. plans |  | Total
Pension plans with pension assets |  | $ | 1,551 |  |  | $ | 25,160 |  |  | $ | 26,711 |
Pension plans without pension assets |  | (6,022) |  |  | (27,438) |  |  | (33,460) |
Total |  | $ | (4,471) |  |  | $ | (2,278) |  |  | $ | (6,749) |
Schedule of Net Periodic Benefit Plan Cost | The composition of the net periodic benefit plan cost for the years ended December 31, 2020, 2019, and 2018, was as follows:
|  | Pension plans |  | Other postretirement benefits
(in thousands) |  | 2020 |  | 2019 |  | 2018 |  | 2020 |  | 2019 |  | 2018
Components of net periodic benefit cost: |  |  |  |  |  |  |  |  |  |  |  |
Service cost |  | $ | 2,279 |  |  | $ | 2,543 |  |  | $ | 2,723 |  |  | $ | 200 |  |  | $ | 189 |  |  | $ | 232 |
Interest cost |  | 6,172 |  |  | 7,216 |  |  | 7,217 |  |  | 1,712 |  |  | 2,114 |  |  | 2,024 |
Expected return on assets |  | (6,853) |  |  | (8,285) |  |  | (8,873) |  |  | — |  |  | — |  |  | — |
Amortization of prior service cost/(credit) |  | 14 |  |  | 68 |  |  | 34 |  |  | (4,488) |  |  | (4,488) |  |  | (4,488) |
Amortization of net actuarial loss |  | 2,412 |  |  | 2,253 |  |  | 2,219 |  |  | 2,592 |  |  | 2,227 |  |  | 2,956 |
Settlement |  | 148 |  |  | (16) |  |  | 2,246 |  |  | — |  |  | — |  |  | — |
Curtailment (gain)/loss |  | 263 |  |  | 466 |  |  | (752) |  |  | — |  |  | — |  |  | — |
Net periodic benefit cost |  | $ | 4,435 |  |  | $ | 4,245 |  |  | $ | 4,814 |  |  | $ | 16 |  |  | $ | 42 |  |  | $ | 724 |
Weighted average assumptions used to determine net cost: |  |  |  |  |  |  |  |  |  |  |  |
Discount rate — U.S. plan |  | 3.40 | % |  | 4.41 | % |  | 3.70 | % |  | 3.27 | % |  | 4.31 | % |  | 3.59 | %
Discount rate — non-U.S. plans |  | 2.31 | % |  | 2.98 | % |  | 2.83 | % |  | 3.05 | % |  | 3.65 | % |  | 3.40 | %
Cash balance interest crediting rate - Switzerland pension plan |  | 0.25 | % |  | 0.85 | % |  | 0.65 | % |  | — |  |  | — |  |  | — |
Expected return on plan assets — U.S. plan |  | 3.54 | % |  | 4.57 | % |  | 3.87 | % |  | — |  |  | — |  |  | — |
Expected return on plan assets — non-U.S. plans |  | 3.45 | % |  | 4.45 | % |  | 4.83 | % |  | — |  |  | — |  |  | — |
Rate of compensation increase — U.S. plan |  | — |  |  | — |  |  | — |  |  | N/A |  | 3.00 | % |  | — |
Rate of compensation increase — non-U.S. plans |  | 2.81 | % |  | 3.02 | % |  | 3.04 | % |  | 3.00 | % |  | 3.00 | % |  | 3.00 | %
Schedule of (Gains)/Losses Recognized in Other Comprehensive Income | Pretax (gains)/losses on plan assets and benefit obligations recognized in other comprehensive income for the years ended December 31, 2020, 2019, and 2018, was as follows:
|  | Pension plans |  | Other postretirement benefits
(in thousands) |  | 2020 |  | 2019 |  | 2018 |  | 2020 |  | 2019 |  | 2018
Settlements/curtailments |  | $ | (411) |  |  | $ | (450) |  |  | $ | (1,494) |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Asset/liability loss/(gain) |  | (8,053) |  |  | (2,794) |  |  | 6,411 |  |  | (4,794) |  |  | 4,685 |  |  | (6,100) |
Amortization of actuarial (loss) |  | (2,412) |  |  | (2,253) |  |  | (2,219) |  |  | (2,592) |  |  | (2,227) |  |  | (2,956) |
Amortization of prior service cost/(credit) |  | (14) |  |  | (68) |  |  | (34) |  |  | 4,488 |  |  | 4,488 |  |  | 4,488 |
Other |  | (204) |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Currency impact |  | 670 |  |  | 316 |  |  | (1,389) |  |  | 3 |  |  | — |  |  | — |
Cost/(benefit) in Other comprehensive income |  | $ | (10,424) |  |  | $ | (5,249) |  |  | $ | 1,275 |  |  | $ | (2,895) |  |  | $ | 6,946 |  |  | $ | (4,568) |
Schedule of Fair Value of Plan Assets | As of December 31, 2020 and 2019, there were no investments expected to be sold at a value materially different than NAV.
|  | Assets at Fair Value as of December 31, 2020 |  |
(in thousands) |  | Quoted prices in active markets Level 1 |  | Significant other observable inputs Level 2 |  | Significant unobservable inputs Level 3 |  | Total
Common Stocks and equity funds |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Debt securities |  | — |  |  | 104,642 |  |  | — |  |  | 104,642 |
Insurance contracts |  | — |  |  | — |  |  | 3,819 |  |  | 3,819 |
Cash and short-term investments |  | 1,095 |  |  | — |  |  | — |  |  | 1,095 |
Total investments in the fair value hierarchy |  | $ | 1,095 |  |  | $ | 104,642 |  |  | $ | 3,819 |  |  | 109,556 |
Investments at net asset value: |  |  |  |  |  |  |  |
Common Stocks and equity funds |  |  |  |  |  |  |  | 20,213 |
Fixed income funds |  |  |  |  |  |  |  | 107,012 |
Limited partnerships |  |  |  |  |  |  |  | 2,270 |
Total plan assets |  |  |  |  |  |  |  | $ | 239,051 |
|  | Assets at Fair Value as of December 31, 2019 |  |
(in thousands) |  | Quoted prices in active markets Level 1 |  | Significant other observable inputs Level 2 |  | Significant unobservable inputs Level 3 |  | Total
Common Stocks and equity funds |  | $ | 216 |  |  | $ | — |  |  | $ | — |  |  | $ | 216 |
Debt securities |  | — |  |  | 92,721 |  |  | — |  |  | 92,721 |
Insurance contracts |  | — |  |  | — |  |  | 3,244 |  |  | 3,244 |
Cash and short-term investments |  | 2,793 |  |  | — |  |  | — |  |  | 2,793 |
Total investments in the fair value hierarchy |  | $ | 3,009 |  |  | $ | 92,721 |  |  | $ | 3,244 |  |  | 98,974 |
Investments at net asset value: |  |  |  |  |  |  |  |
Common Stocks and equity funds |  |  |  |  |  |  |  | 56,846 |
Fixed income funds |  |  |  |  |  |  |  | 52,751 |
Limited partnerships |  |  |  |  |  |  |  | 3,184 |
Total plan assets |  |  |  |  |  |  |  | $ | 211,755 |
Reconciliation of Level 3 Assets | The following tables present a reconciliation of Level 3 assets held during the years ended December 31, 2020 and 2019:
(in thousands) |  | December 31, 2019 |  | Net realized gains |  | Net unrealized gains |  | Net purchases,issuances and settlements |  | Net transfers (out of) Level 3 |  | December 31, 2020
Insurance contracts - |  |  |  |  |  |  |  |  |  |  |  |
total level 3 assets |  | $ | 3,244 |  |  | $ | — |  |  | $ | 22 |  |  | $ | 553 |  |  | $ | — |  |  | $ | 3,819 |
(in thousands) |  | December 31, 2018 |  | Net realized gains |  | Net unrealized gains |  | Net purchases, issuances and settlements |  | Net transfers (out of) Level 3 |  | December 31, 2019
Insurance contracts - |  |  |  |  |  |  |  |  |  |  |  |
total level 3 assets |  | $ | 2,890 |  |  | $ | — |  |  | $ | 20 |  |  | $ | 334 |  |  | $ | — |  |  | $ | 3,244 |
Schedule of Asset Allocation | The asset allocation for the Company’s U.S. and non-U.S. pension plans for 2020 and 2019, and the target allocation, by asset category, are as follows:
|  | United States Plan |  | Non-U.S. Plans
|  | Target Allocation |  | Percentage of plan assets at plan measurement date |  | Target Allocation |  | Percentage of plan assets at plan measurement date
Asset category |  |  | 2020 |  | 2019 |  |  | 2020 |  | 2019
Equity securities |  | — | % |  | — | % |  | 1 | % |  | 13 | % |  | 13 | % |  | 13 | %
Debt securities |  | 100 | % |  | 98 | % |  | 96 | % |  | 82 | % |  | 81 | % |  | 80 | %
Real estate |  | — | % |  | 2 | % |  | 2 | % |  | 1 | % |  | 1 | % |  | 1 | %
Other(1) |  | — | % |  | — | % |  | 1 | % |  | 4 | % |  | 5 | % |  | 6 | %
|  | 100 | % |  | 100 | % |  | 100 | % |  | 100 | % |  | 100 | % |  | 100 | %
(1)Other includes hedged equity and absolute return strategies, and private equity. The Company has procedures to closely monitor the performance of these investments and compares asset valuations to audited financial statements of the funds.
Schedule of Pension Plans with Projected Benefit Obligation and Accumulated Benefit Obligation in Excess of Plan Assets | At the end of 2020 and 2019, the projected benefit obligation, accumulated benefit obligation, and fair value of plan assets for pension plans with projected benefit obligation and an accumulated benefit obligation in excess of plan assets were as follows:
|  | Plans with projected benefit obligation in excess of plan assets
(in thousands) |  | 2020 |  | 2019
Projected benefit obligation |  | $ | 42,703 |  |  | $ | 137,123 |
Fair value of plan assets |  | 4,815 |  |  | 100,330 |
|  | Plans with accumulated benefit obligation in excess of plan assets
(in thousands) |  | 2020 |  | 2019
Accumulated benefit obligation |  | $ | 40,133 |  |  | $ | 134,737 |
Fair value of plan assets |  | 4,815 |  |  | 100,330 |
Schedule of Expected Cash Flows | Information about expected cash flows for the pension and other benefit obligations are as follows:
(in thousands) |  | Pension plans |  | Other postretirement benefits
Expected employer contributions and direct employer payments in the next fiscal year |  | $ | 2,527 |  |  | $ | 3,660 |
Expected benefit payments |  |  |  |
2021 |  |  | 8,134 |  |  | 3,660 |
2022 |  |  | 8,585 |  |  | 3,530 |
2023 |  |  | 8,794 |  |  | 3,418 |
2024 |  |  | 9,286 |  |  | 3,279 |
2025 |  |  | 10,009 |  |  | 3,129 |
2026-2030 |  | 54,403 |  |  | 14,027 |

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