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Retirement Plans (Tables) | 4 Months Ended
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Jan. 21, 2018
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 21, 2018 |  | January 22, 2017
Defined benefit pension plans: |  |  |
Interest cost | $ | 6,879 |  |  | $ | 6,996 |
Service cost | 687 |  |  | 673 |
Expected return on plan assets | (8,680 | ) |  | (8,659 | )
Actuarial loss (1) | 1,498 |  |  | 1,881 |
Amortization of unrecognized prior service costs (1) | 45 |  |  | 47 |
Net periodic benefit cost | $ | 429 |  |  | $ | 938 |
Postretirement healthcare plans: |  |  |
Interest cost | $ | 294 |  |  | $ | 309 |
Actuarial (gain) loss (1) | (8 | ) |  | 50 |
Net periodic benefit cost | $ | 286 |  |  | $ | 359 |
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(1) | Amounts were reclassified from accumulated OCI into net earnings as a component of selling, general and administrative expenses.
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, 2017, the date of our last actuarial funding valuation, there was no minimum contribution funding requirement. Details regarding 2018 contributions are as follows (in thousands):
| SERP |  | Postretirement Healthcare Plans
Net year-to-date contributions | $ | 1,100 |  |  | $ | 610 |
Remaining estimated net contributions during fiscal 2018 | $ | 3,300 |  |  | $ | 700 |

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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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e2439-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e2417-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e2410-114920 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=77993564&loc=d3e4179-114921 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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