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Pension Plans and Other Postretirement Benefits (Tables) | 6 Months Ended
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Mar. 27, 2021
Compensation And Retirement Disclosure [Abstract] |
Components of Net Periodic Benefit Costs | The following table provides the components of net periodic benefit costs:
|  | Pension Benefits |
|  | Three Months Ended |  |  | Six Months Ended |
|  | March 27, |  |  | March 28, |  |  | March 27, |  |  | March 28, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Interest cost |  | $ | 534 |  |  | $ | 720 |  |  | $ | 1,068 |  |  | $ | 1,440 |
Expected return on plan assets |  |  | (319 | ) |  |  | (320 | ) |  |  | (638 | ) |  |  | (640 | )
Amortization of net loss |  |  | 898 |  |  |  | 862 |  |  |  | 1,796 |  |  |  | 1,724 |
Pension settlement charge |  |  | 570 |  |  |  | — |  |  |  | 570 |  |  |  | — |
Net periodic benefit cost |  | $ | 1,683 |  |  | $ | 1,262 |  |  | $ | 2,796 |  |  | $ | 2,524 |
|  | Postretirement Benefits |
|  | Three Months Ended |  |  | Six Months Ended |
|  | March 27, |  |  | March 28, |  |  | March 27, |  |  | March 28, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Interest cost |  | $ | 19 |  |  | $ | 38 |  |  | $ | 38 |  |  | $ | 75 |
Amortization of prior service credits |  |  | (125 | ) |  |  | (125 | ) |  |  | (249 | ) |  |  | (249 | )
Amortization of net (gain) |  |  | (180 | ) |  |  | (196 | ) |  |  | (361 | ) |  |  | (393 | )
Net periodic benefit cost |  | $ | (286 | ) |  | $ | (283 | ) |  | $ | (572 | ) |  | $ | (567 | )

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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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