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Retirement Plans (Tables) | 4 Months Ended
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Jan. 20, 2019
Pension and Other Postretirement Benefits Cost (Reversal of Cost) [Abstract] |
Components Of Net Periodic Benefit Cost | The components of net periodic benefit cost in each period were as follows (in thousands):
| Sixteen Weeks Ended
| January 20, 2019 |  | January 21, 2018
Defined benefit pension plans: |  |  |
Interest cost | $ | 7,048 |  |  | $ | 6,879 |
Service cost | — |  |  | 151 |
Expected return on plan assets (1) | (8,104 | ) |  | (8,144 | )
Actuarial loss (2) | 1,219 |  |  | 1,498 |
Amortization of unrecognized prior service costs (2) | 35 |  |  | 45 |
Net periodic benefit cost | $ | 198 |  |  | $ | 429 |
Postretirement healthcare plans: |  |  |
Interest cost | $ | 307 |  |  | $ | 294 |
Actuarial gain (2) | (49 | ) |  | (8 | )
Net periodic benefit cost | $ | 258 |  |  | $ | 286 |
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(1) | Determined as of the beginning of the year based on a return on asset assumption of 6.2%.
(2) | Amounts were reclassified from accumulated OCI into net earnings as a component of “Other pension and post-retirement expenses, net
Schedule Of Defined Benefit Plan Contribution | Future cash flows — Our policy is to fund our plans at or above the minimum required by law. As of January 1, 2018, the date of our last actuarial funding valuation, there was no minimum contribution funding requirement. Details regarding 2019 contributions are as follows (in thousands):
| SERP |  | Postretirement Healthcare Plans
Net year-to-date contributions | $ | 1,763 |  |  | $ | 348 |
Remaining estimated net contributions during fiscal 2019 | $ | 3,300 |  |  | $ | 1,000 |

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- Definition Tabular disclosure of one or more of the entity's defined benefit pension plans or one or more other defined benefit postretirement plans, separately for pension plans and other postretirement benefit plans including the entity's schedule of fair value of plan assets for defined benefit or other postretirement plans. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=112275985&loc=d3e4179-114921 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e2439-114920 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e2410-114920 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e2417-114920 + Details
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