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Pension and Savings Plans (Tables) | 12 Months Ended
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Aug. 25, 2018
Retirement Benefits [Abstract] |
Plan's Funded Status and Amounts Recognized in Company's Consolidated Balance Sheets | The following table sets forth the plans’ funded status and amounts recognized in the Company’s Consolidated Balance Sheets:
(in thousands) |  | August 25, 2018 |  |  | August 26, 2017 |
Change in Projected Benefit Obligation: |  |  |  |  |  |  |  |
Projected benefit obligation at beginning of year |  | $ | 314,724 |  |  | $ | 328,511 |
Interest cost |  |  | 10,356 |  |  |  | 10,335 |
Actuarial (gains) losses |  |  | (676 | ) |  |  | (8,746 | )
Annuities purchased |  |  | (157,589 | ) |  |  | — |
Benefits and settlements paid |  |  | (166,815 | ) |  |  | (15,376 | )
Benefit obligations at end of year |  | $ | — |  |  | $ | 314,724 |
Change in Plan Assets: |  |  |  |  |  |  |  |
Fair value of plan assets at beginning of year |  | $ | 316,267 |  |  | $ | 289,386 |
Actual return on plan assets |  |  | (3,428 | ) |  |  | 24,496 |
Employer contributions |  |  | 11,596 |  |  |  | 17,761 |
Annuities purchased |  |  | (157,589 | ) |  |  | — |
Benefits and settlements paid |  |  | (166,815 | ) |  |  | (15,376 | )
Asset reversion upon termination |  |  | (31 | ) |  |  | — |
Fair value of plan assets at end of year |  | $ | — |  |  | $ | 316,267 |
Amount Recognized in the Statement of Financial Position: |  |  |  |  |  |  |  |
Current liabilities |  | $ | — |  |  | $ | (283 | )
Long-term assets |  |  | — |  |  |  | 8,686 |
Long-term liabilities |  |  | — |  |  |  | (6,860 | )
Net amount recognized |  | $ | — |  |  | $ | 1,543 |
Amount Recognized in Accumulated Other Comprehensive Loss and not yet reflected in Net Periodic Benefit Cost: |  |  |  |  |  |  |  |
Net actuarial loss |  | $ | — |  |  | $ | (118,889 | )
Accumulated other comprehensive loss |  | $ | — |  |  | $ | (118,889 | )
Net Periodic Benefit Expense | Net periodic benefit expense consisted of the following:
|  | Year Ended |
(in thousands) |  | August 25, 2018 |  |  | August 26, 2017 |  |  | August 27, 2016 |
Interest cost |  | $ | 10,356 |  |  | $ | 10,335 |  |  | $ | 11,272 |
Expected return on plan assets |  |  | (18,997 | ) |  |  | (20,056 | ) |  |  | (16,512 | )
Recognized net actuarial losses |  |  | 10,736 |  |  |  | 13,873 |  |  |  | 10,506 |
Settlement loss |  |  | 130,263 |  |  |  | — |  |  |  | — |
Net periodic benefit expense |  | $ | 132,358 |  |  | $ | 4,152 |  |  | $ | 5,266 |
Actuarial Assumptions Used in Determining Projected Benefit Obligation | The blended actuarial assumptions used in determining the projected benefit obligation include the following:
|  | Year Ended |
|  | August 25, 2018 |  |  | August 26, 2017 |  |  | August 27, 2016 |
Discount rate to determine benefit obligation |  |  | 3.86 | % |  |  | 3.86 | % |  |  | 3.72 | %
Discount rate to determine net interest cost |  |  | 3.36 | % |  |  | 3.21 | % |  |  | 3.90 | %
Expected long-term rate of return on plan assets |  |  | 6.00 | % |  |  | 7.00 | % |  |  | 7.00 | %

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- Definition Tabular disclosure of the assumptions used to determine for pension plans and/or other employee benefit plans the benefit obligation and net benefit cost, including assumed discount rates, rate increase in compensation increase, and expected long-term rates of return on plan assets. + 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 (k) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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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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