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Pension Plans | 6 Months Ended
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Jun. 30, 2022
Retirement Benefits [Abstract] |
Pension Plans | PENSION PLANSThe Company maintains two partially-funded defined benefit pension plans (the "Dutch pension plans") based in the Netherlands. The Dutch pension plans, which are qualified defined benefit pension plans, provide benefits based on years of service and average pay. The benefits earned by the employees are immediately vested. The Company funds the future obligations of the Dutch pension plans by purchasing non-participating annuities from a large multi-national insurance company that cover the vested pension benefit obligation of the participants, but do not cover future indexations or cost of living adjustments that are provided in plan benefits. Each year, the Company makes premium payments to the insurance company (1) to provide for the benefit obligation of the current year of service based on each employee's age, gender, and current salary, and (2) for indexations for both active and post-active participants. The Company determines the fair value of the plan assets with the assistance of an actuary using unobservable inputs (Level 3), which is determined as the present value of the accrued benefits guaranteed by the insurer. The components of net periodic pension cost for the Dutch pension plans were as follows:
| Three Months Ended June 30, |  | Six Months Ended June 30,
(In thousands) | 2022 |  | 2021 |  | 2022 |  | 2021
Net service cost | $ | (1,020) |  |  | $ | (1,107) |  |  | $ | (2,090) |  |  | $ | (2,216) |
Interest cost | (263) |  |  | (166) |  |  | (539) |  |  | (332) |
Expected return on plan assets | 164 |  |  | 109 |  |  | 336 |  |  | 217 |
Administrative charges | (67) |  |  | (72) |  |  | (140) |  |  | (143) |
Net periodic pension cost | $ | (1,186) |  |  | $ | (1,236) |  |  | $ | (2,433) |  |  | $ | (2,474) |

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- Definition The entire disclosure for defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 912 -SubTopic 715 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6472162&loc=d3e58407-109430 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=2235042 + Details
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