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Benefit Plans (Tables) | 9 Months Ended
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Sep. 26, 2020
Retirement Benefits [Abstract] |
Schedule of net benefit costs | The components of net periodic benefit cost for the three and nine months ended September 26, 2020 and September 28, 2019 were as follows:
|  | For the Three Months Ended |  | For the Nine Months Ended
(in thousands) |  | September 26, 2020 |  | September 28, 2019 |  | September 26, 2020 |  | September 28, 2019
Components of net periodic benefit cost: |  |  |  |  |  |  |  |
Service cost |  | $ | 615 |  |  | $ | 509 |  |  | $ | 1,825 |  |  | $ | 1,523 |
Interest cost |  | 511 |  |  | 777 |  |  | 1,655 |  |  | 2,374 |
Expected return on plan assets |  | (422) |  |  | (773) |  |  | (1,551) |  |  | (2,384) |
Amortization of prior service and net actuarial loss |  | 279 |  |  | 60 |  |  | 688 |  |  | 184 |
Net periodic benefit cost |  | $ | 983 |  |  | $ | 573 |  |  | $ | 2,617 |  |  | $ | 1,697 |

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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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